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commit 2c6906a661af3fc0581eda9201126f02f028f271 Author: Claus Ibsen <[email protected]> AuthorDate: Wed Feb 4 12:11:07 2026 +0100 CAMEL-22955: camel-core - Add load function to simple --- .../org/apache/camel/catalog/languages/simple.json | 107 +++++++++++---------- .../language/csimple/joor/OriginalSimpleTest.java | 27 ++++++ .../src/test/resources/mysimple.txt | 1 + .../org/apache/camel/language/simple/simple.json | 107 +++++++++++---------- .../modules/languages/pages/simple-language.adoc | 9 ++ .../camel/language/csimple/CSimpleHelper.java | 30 ++++++ .../camel/language/simple/SimpleConstants.java | 5 + .../language/simple/SimpleExpressionBuilder.java | 53 ++++++++++ .../simple/ast/SimpleFunctionExpression.java | 28 ++++++ .../apache/camel/language/simple/SimpleTest.java | 27 ++++++ .../main/java/org/apache/camel/util/IOHelper.java | 16 ++- .../java/org/apache/camel/util/SimpleUtils.java | 1 + 12 files changed, 304 insertions(+), 107 deletions(-) diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/languages/simple.json b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/languages/simple.json index 87ca1193ffaf..5a8fe07dbeb0 100644 --- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/languages/simple.json +++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/languages/simple.json @@ -83,58 +83,59 @@ "join(separator,prefix,exp)": { "index": 55, "kind": "function", "displayName": "Join", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The join function iterates the message body\/expression and joins the data into a string. The separator is by default a comma. The prefix is optional. The join uses the message body as source by default. [...] "length(exp)": { "index": 56, "kind": "function", "displayName": "Length", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The payload length (number of bytes) of the message body (or expression).", "ognl": false, "suffix": "}" }, "list(val...)": { "index": 57, "kind": "function", "displayName": "Create List of values", "group": "function", "label": "function", "required": false, "javaType": "java.util.ArrayList", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The list function creates an ArrayList with the given set of values.", "ognl": false, "suffix": "}" }, - "lowercase(exp)": { "index": 58, "kind": "function", "displayName": "Lowercase", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Lowercases the message body (or expression)", "ognl": false, "suffix": "}" }, - "mandatoryBodyAs(type)": { "index": 59, "kind": "function", "displayName": "Mandatory Body As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the message body to the given type (classname). If the body is null then the function will fail with an exception", "ognl": true, "suffix": "}" }, - "map(key1,value1,...)": { "index": 60, "kind": "function", "displayName": "Create Map of pairs", "group": "function", "label": "function", "required": false, "javaType": "java.util.LinkedHashMap", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The map function creates a LinkedHashMap with the given set of pairs.", "ognl": false, "suffix": "}" }, - "max(val...)": { "index": 61, "kind": "function", "displayName": "Maximum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the maximum number from all the values (integral numbers only).", "ognl": false, "suffix": "}" }, - "messageAs(type)": { "index": 62, "kind": "function", "displayName": "Message As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the message to the given type (classname).", "ognl": true, "suffix": "}" }, - "messageHistory(boolean)": { "index": 63, "kind": "function", "displayName": "Print Message History", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The message history of the current exchange (how it has been routed). This is similar to the route stack-trace message history the error handler logs in case of an unhandled exception. The b [...] - "messageTimestamp": { "index": 64, "kind": "function", "displayName": "Message Timestamp", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The message timestamp (millis since epoc) that this message originates from. Some systems like JMS, Kafka, AWS have a timestamp on the event\/message that Camel received. This method returns the timestam [...] - "min(val...)": { "index": 65, "kind": "function", "displayName": "Minimum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the minimum number from all the values (integral numbers only).", "ognl": false, "suffix": "}" }, - "newEmpty(type)": { "index": 66, "kind": "function", "displayName": "Create Empty Object", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Creates a new empty object (decided by type). Use `string` to create an empty String. Use `list` to create an empty `java.util.ArrayList`. Use `map` to create an empty `java.util.LinkedHashMap`. Use `s [...] - "normalizeWhitespace(exp)": { "index": 67, "kind": "function", "displayName": "Normalize Whitespace", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Normalizes the whitespace in the message body (or expression) by cleaning up excess whitespaces.", "ognl": false, "suffix": "}" }, - "not": { "index": 68, "kind": "function", "displayName": "Not", "group": "function", "label": "function", "required": false, "javaType": "boolean", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Evaluates the predicate and returns the opposite.", "ognl": false, "suffix": "}" }, - "null": { "index": 69, "kind": "function", "displayName": "Null", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Represents a null value", "ognl": false, "suffix": "}" }, - "originalBody": { "index": 70, "kind": "function", "displayName": "Original Body", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The original incoming body (only available if allowUseOriginalMessage=true).", "ognl": false, "suffix": "}" }, - "pad(exp,width,separator)": { "index": 71, "kind": "function", "displayName": "Pad String", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Pads the expression with extra padding if necessary, according the the total width. The separator is by default a space. If the width is negative then padding to the right, otherwise to the left.", "o [...] - "pretty(exp)": { "index": 72, "kind": "function", "displayName": "Pretty Print", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the expression to a String, and attempts to pretty print if JSon or XML, otherwise the expression is returned as the String value.", "ognl": false, "suffix": "}" }, - "prettyBody": { "index": 73, "kind": "function", "displayName": "Pretty Body", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the body to a String, and attempts to pretty print if JSon or XML; otherwise the body is returned as the String value.", "ognl": false, "suffix": "}" }, - "properties:key:default": { "index": 74, "kind": "function", "displayName": "Property Placeholder", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Lookup a property placeholder with the given key. If the key does not exist nor has a value, then an optional default value can be specified.", "ognl": false, "suffix": "}" }, - "propertiesExist:key": { "index": 75, "kind": "function", "displayName": "Property Placeholder Exists", "group": "function", "label": "function", "required": false, "javaType": "boolean", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Checks whether a property placeholder with the given key exists or not. The result can be negated by prefixing the key with !", "ognl": false, "suffix": "}" }, - "quote(exp)": { "index": 76, "kind": "function", "displayName": "Quote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) as a double quoted string", "ognl": false, "suffix": "}" }, - "random(min,max)": { "index": 77, "kind": "function", "displayName": "Random", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a random number between min and max (exclusive)", "ognl": false, "suffix": "}" }, - "ref:name": { "index": 78, "kind": "function", "displayName": "Bean By Id", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "To look up a bean from the Registry with the given name.", "ognl": false, "suffix": "}" }, - "replace(from,to,exp)": { "index": 79, "kind": "function", "displayName": "Replace String Values", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Replace all the string values in the message body\/expression. To make it easier to replace single and double quotes, then you can use XML escaped values `\\"` as double quote, `\\'` [...] - "reverse(val...)": { "index": 80, "kind": "function", "displayName": "Reverse Values", "group": "function", "label": "function", "required": false, "javaType": "List", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a list of all the values, but in reverse order", "ognl": false, "suffix": "}" }, - "routeGroup": { "index": 81, "kind": "function", "displayName": "Route Group", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The route group of the current route the Exchange is being routed. Not all routes have a group assigned, so this may be null.", "ognl": false, "suffix": "}" }, - "routeId": { "index": 82, "kind": "function", "displayName": "Route Id", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The route id of the current route the Exchange is being routed", "ognl": false, "suffix": "}" }, - "safeQuote(exp)": { "index": 83, "kind": "function", "displayName": "Safe Quote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) safely quoted if needed", "ognl": false, "suffix": "}" }, - "setVariable(key,exp)": { "index": 84, "kind": "function", "displayName": "Set Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets an attachment with payload from the message body\/expression.", "ognl": false, "suffix": "}" }, - "setHeader(name,type,exp)": { "index": 85, "kind": "function", "displayName": "Set Header", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets a message header with the given expression (optional converting to the given type)", "ognl": false, "suffix": "}" }, - "setVariable(name,type,exp)": { "index": 86, "kind": "function", "displayName": "Set Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets a variable with the given expression (optional converting to the given type)", "ognl": false, "suffix": "}" }, - "shuffle(val...)": { "index": 87, "kind": "function", "displayName": "Shuffle Values", "group": "function", "label": "function", "required": false, "javaType": "List", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a list of all the values shuffled in random order", "ognl": false, "suffix": "}" }, - "size(exp)": { "index": 88, "kind": "function", "displayName": "Size", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the number of elements in collection or array based payloads. If the value is null then 0 is returned, otherwise 1.", "ognl": false, "suffix": "}" }, - "skip(num)": { "index": 89, "kind": "function", "displayName": "Skip First Items from the Message Body", "group": "function", "label": "function", "required": false, "javaType": "java.util.Iterator", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The skip function iterates the message body and skips the first number of items. This can be used with the Splitter EIP to split a message body and skip the first N number of [...] - "split(exp,separator)": { "index": 90, "kind": "function", "displayName": "Split String Values", "group": "function", "label": "function", "required": false, "javaType": "String[]", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Splits the message body\/expression as a String value using the separator into a String array", "ognl": false, "suffix": "}" }, - "stepId": { "index": 91, "kind": "function", "displayName": "Step Id", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the id of the current step the Exchange is being routed.", "ognl": false, "suffix": "}" }, - "substring(head,tail)": { "index": 92, "kind": "function", "displayName": "Substring", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression. If only one positive number, then the returned string is clipped from the beginning. If only one negative number, then the returned string is clipped fr [...] - "substringAfter(exp,before)": { "index": 93, "kind": "function", "displayName": "Substring After", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that comes after. Returns null if nothing comes after.", "ognl": false, "suffix": "}" }, - "substringBefore(exp,before)": { "index": 94, "kind": "function", "displayName": "Substring Before", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that comes before. Returns null if nothing comes before.", "ognl": false, "suffix": "}" }, - "substringBetween(exp,after,before)": { "index": 95, "kind": "function", "displayName": "Substring Between", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that are between after and before. Returns null if nothing comes between.", "ognl": false, "suffix": "}" }, - "sum(val...)": { "index": 96, "kind": "function", "displayName": "Calculate Sum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sums together all the values as integral numbers. This function can also be used to subtract by using negative numbers.", "ognl": false, "suffix": "}" }, - "sys.name": { "index": 97, "kind": "function", "displayName": "JVM System Property", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The JVM system property with the given name", "ognl": false, "suffix": "}" }, - "threadId": { "index": 98, "kind": "function", "displayName": "Thread Id", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the id of the current thread. Can be used for logging.", "ognl": false, "suffix": "}" }, - "threadName": { "index": 99, "kind": "function", "displayName": "Thread Name", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the name of the current thread. Can be used for logging.", "ognl": false, "suffix": "}" }, - "throwException(type,msg)": { "index": 100, "kind": "function", "displayName": "Throw Exception", "group": "function", "label": "function", "required": false, "javaType": "java.lang.Exception", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Deliberately throws an error. Uses IllegalArgumentException by default if no type is specified (use fully qualified classname).", "ognl": false, "suffix": "}" }, - "trim(exp)": { "index": 101, "kind": "function", "displayName": "Trim", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The trim function trims the message body (or expression) by removing all leading and trailing white spaces.", "ognl": false, "suffix": "}" }, - "type:name.field": { "index": 102, "kind": "function", "displayName": "Java Field Value", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "To refer to a type or field by its classname. To refer to a field, you can append .FIELD_NAME. For example, you can refer to the constant field from Exchange as: `org.apache.camel.Exchange.FILE_NAME`", [...] - "kindOfType(exp)": { "index": 103, "kind": "function", "displayName": "Kind of Type", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "What kind of type is the value (null,number,string,boolean,array,object)", "ognl": false, "suffix": "}" }, - "unquote(exp)": { "index": 104, "kind": "function", "displayName": "Unquote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) with any leading\/ending quotes removed", "ognl": false, "suffix": "}" }, - "uppercase(exp)": { "index": 105, "kind": "function", "displayName": "Uppercase", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Uppercases the message body (or expression)", "ognl": false, "suffix": "}" }, - "uuid(type)": { "index": 106, "kind": "function", "displayName": "Generate UUID", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a UUID using the Camel `UuidGenerator`. You can choose between `default`, `classic`, `short` and `simple` as the type. If no type is given, the default is used. It is also possible to use a custom `Uuid [...] - "variable.name": { "index": 107, "kind": "function", "displayName": "Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The variable with the given name", "ognl": true, "suffix": "}" }, - "variableAs(key,type)": { "index": 108, "kind": "function", "displayName": "Variable As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the variable to the given type (classname).", "ognl": false, "suffix": "}" }, - "variables": { "index": 109, "kind": "function", "displayName": "Variables", "group": "function", "label": "function", "required": false, "javaType": "java.util.Map", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns all the variables from the current Exchange in a Map", "ognl": false, "suffix": "}" }, - "xpath(input,exp)": { "index": 110, "kind": "function", "displayName": "XPath", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "When working with XML data, then this allows using the XPath language, for example, to extract data from the message body (in XML format). This requires having camel-xpath JAR on the classpath. For input (optiona [...] + "load(file)": { "index": 58, "kind": "function", "displayName": "Load", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Loads the content of the resource from classpath (cannot load from file-system to avoid dangerous situations).", "ognl": false, "suffix": "}" }, + "lowercase(exp)": { "index": 59, "kind": "function", "displayName": "Lowercase", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Lowercases the message body (or expression)", "ognl": false, "suffix": "}" }, + "mandatoryBodyAs(type)": { "index": 60, "kind": "function", "displayName": "Mandatory Body As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the message body to the given type (classname). If the body is null then the function will fail with an exception", "ognl": true, "suffix": "}" }, + "map(key1,value1,...)": { "index": 61, "kind": "function", "displayName": "Create Map of pairs", "group": "function", "label": "function", "required": false, "javaType": "java.util.LinkedHashMap", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The map function creates a LinkedHashMap with the given set of pairs.", "ognl": false, "suffix": "}" }, + "max(val...)": { "index": 62, "kind": "function", "displayName": "Maximum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the maximum number from all the values (integral numbers only).", "ognl": false, "suffix": "}" }, + "messageAs(type)": { "index": 63, "kind": "function", "displayName": "Message As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the message to the given type (classname).", "ognl": true, "suffix": "}" }, + "messageHistory(boolean)": { "index": 64, "kind": "function", "displayName": "Print Message History", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The message history of the current exchange (how it has been routed). This is similar to the route stack-trace message history the error handler logs in case of an unhandled exception. The b [...] + "messageTimestamp": { "index": 65, "kind": "function", "displayName": "Message Timestamp", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The message timestamp (millis since epoc) that this message originates from. Some systems like JMS, Kafka, AWS have a timestamp on the event\/message that Camel received. This method returns the timestam [...] + "min(val...)": { "index": 66, "kind": "function", "displayName": "Minimum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the minimum number from all the values (integral numbers only).", "ognl": false, "suffix": "}" }, + "newEmpty(type)": { "index": 67, "kind": "function", "displayName": "Create Empty Object", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Creates a new empty object (decided by type). Use `string` to create an empty String. Use `list` to create an empty `java.util.ArrayList`. Use `map` to create an empty `java.util.LinkedHashMap`. Use `s [...] + "normalizeWhitespace(exp)": { "index": 68, "kind": "function", "displayName": "Normalize Whitespace", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Normalizes the whitespace in the message body (or expression) by cleaning up excess whitespaces.", "ognl": false, "suffix": "}" }, + "not": { "index": 69, "kind": "function", "displayName": "Not", "group": "function", "label": "function", "required": false, "javaType": "boolean", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Evaluates the predicate and returns the opposite.", "ognl": false, "suffix": "}" }, + "null": { "index": 70, "kind": "function", "displayName": "Null", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Represents a null value", "ognl": false, "suffix": "}" }, + "originalBody": { "index": 71, "kind": "function", "displayName": "Original Body", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The original incoming body (only available if allowUseOriginalMessage=true).", "ognl": false, "suffix": "}" }, + "pad(exp,width,separator)": { "index": 72, "kind": "function", "displayName": "Pad String", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Pads the expression with extra padding if necessary, according the the total width. The separator is by default a space. If the width is negative then padding to the right, otherwise to the left.", "o [...] + "pretty(exp)": { "index": 73, "kind": "function", "displayName": "Pretty Print", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the expression to a String, and attempts to pretty print if JSon or XML, otherwise the expression is returned as the String value.", "ognl": false, "suffix": "}" }, + "prettyBody": { "index": 74, "kind": "function", "displayName": "Pretty Body", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the body to a String, and attempts to pretty print if JSon or XML; otherwise the body is returned as the String value.", "ognl": false, "suffix": "}" }, + "properties:key:default": { "index": 75, "kind": "function", "displayName": "Property Placeholder", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Lookup a property placeholder with the given key. If the key does not exist nor has a value, then an optional default value can be specified.", "ognl": false, "suffix": "}" }, + "propertiesExist:key": { "index": 76, "kind": "function", "displayName": "Property Placeholder Exists", "group": "function", "label": "function", "required": false, "javaType": "boolean", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Checks whether a property placeholder with the given key exists or not. The result can be negated by prefixing the key with !", "ognl": false, "suffix": "}" }, + "quote(exp)": { "index": 77, "kind": "function", "displayName": "Quote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) as a double quoted string", "ognl": false, "suffix": "}" }, + "random(min,max)": { "index": 78, "kind": "function", "displayName": "Random", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a random number between min and max (exclusive)", "ognl": false, "suffix": "}" }, + "ref:name": { "index": 79, "kind": "function", "displayName": "Bean By Id", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "To look up a bean from the Registry with the given name.", "ognl": false, "suffix": "}" }, + "replace(from,to,exp)": { "index": 80, "kind": "function", "displayName": "Replace String Values", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Replace all the string values in the message body\/expression. To make it easier to replace single and double quotes, then you can use XML escaped values `\\"` as double quote, `\\'` [...] + "reverse(val...)": { "index": 81, "kind": "function", "displayName": "Reverse Values", "group": "function", "label": "function", "required": false, "javaType": "List", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a list of all the values, but in reverse order", "ognl": false, "suffix": "}" }, + "routeGroup": { "index": 82, "kind": "function", "displayName": "Route Group", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The route group of the current route the Exchange is being routed. Not all routes have a group assigned, so this may be null.", "ognl": false, "suffix": "}" }, + "routeId": { "index": 83, "kind": "function", "displayName": "Route Id", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The route id of the current route the Exchange is being routed", "ognl": false, "suffix": "}" }, + "safeQuote(exp)": { "index": 84, "kind": "function", "displayName": "Safe Quote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) safely quoted if needed", "ognl": false, "suffix": "}" }, + "setVariable(key,exp)": { "index": 85, "kind": "function", "displayName": "Set Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets an attachment with payload from the message body\/expression.", "ognl": false, "suffix": "}" }, + "setHeader(name,type,exp)": { "index": 86, "kind": "function", "displayName": "Set Header", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets a message header with the given expression (optional converting to the given type)", "ognl": false, "suffix": "}" }, + "setVariable(name,type,exp)": { "index": 87, "kind": "function", "displayName": "Set Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets a variable with the given expression (optional converting to the given type)", "ognl": false, "suffix": "}" }, + "shuffle(val...)": { "index": 88, "kind": "function", "displayName": "Shuffle Values", "group": "function", "label": "function", "required": false, "javaType": "List", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a list of all the values shuffled in random order", "ognl": false, "suffix": "}" }, + "size(exp)": { "index": 89, "kind": "function", "displayName": "Size", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the number of elements in collection or array based payloads. If the value is null then 0 is returned, otherwise 1.", "ognl": false, "suffix": "}" }, + "skip(num)": { "index": 90, "kind": "function", "displayName": "Skip First Items from the Message Body", "group": "function", "label": "function", "required": false, "javaType": "java.util.Iterator", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The skip function iterates the message body and skips the first number of items. This can be used with the Splitter EIP to split a message body and skip the first N number of [...] + "split(exp,separator)": { "index": 91, "kind": "function", "displayName": "Split String Values", "group": "function", "label": "function", "required": false, "javaType": "String[]", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Splits the message body\/expression as a String value using the separator into a String array", "ognl": false, "suffix": "}" }, + "stepId": { "index": 92, "kind": "function", "displayName": "Step Id", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the id of the current step the Exchange is being routed.", "ognl": false, "suffix": "}" }, + "substring(head,tail)": { "index": 93, "kind": "function", "displayName": "Substring", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression. If only one positive number, then the returned string is clipped from the beginning. If only one negative number, then the returned string is clipped fr [...] + "substringAfter(exp,before)": { "index": 94, "kind": "function", "displayName": "Substring After", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that comes after. Returns null if nothing comes after.", "ognl": false, "suffix": "}" }, + "substringBefore(exp,before)": { "index": 95, "kind": "function", "displayName": "Substring Before", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that comes before. Returns null if nothing comes before.", "ognl": false, "suffix": "}" }, + "substringBetween(exp,after,before)": { "index": 96, "kind": "function", "displayName": "Substring Between", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that are between after and before. Returns null if nothing comes between.", "ognl": false, "suffix": "}" }, + "sum(val...)": { "index": 97, "kind": "function", "displayName": "Calculate Sum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sums together all the values as integral numbers. This function can also be used to subtract by using negative numbers.", "ognl": false, "suffix": "}" }, + "sys.name": { "index": 98, "kind": "function", "displayName": "JVM System Property", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The JVM system property with the given name", "ognl": false, "suffix": "}" }, + "threadId": { "index": 99, "kind": "function", "displayName": "Thread Id", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the id of the current thread. Can be used for logging.", "ognl": false, "suffix": "}" }, + "threadName": { "index": 100, "kind": "function", "displayName": "Thread Name", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the name of the current thread. Can be used for logging.", "ognl": false, "suffix": "}" }, + "throwException(type,msg)": { "index": 101, "kind": "function", "displayName": "Throw Exception", "group": "function", "label": "function", "required": false, "javaType": "java.lang.Exception", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Deliberately throws an error. Uses IllegalArgumentException by default if no type is specified (use fully qualified classname).", "ognl": false, "suffix": "}" }, + "trim(exp)": { "index": 102, "kind": "function", "displayName": "Trim", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The trim function trims the message body (or expression) by removing all leading and trailing white spaces.", "ognl": false, "suffix": "}" }, + "type:name.field": { "index": 103, "kind": "function", "displayName": "Java Field Value", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "To refer to a type or field by its classname. To refer to a field, you can append .FIELD_NAME. For example, you can refer to the constant field from Exchange as: `org.apache.camel.Exchange.FILE_NAME`", [...] + "kindOfType(exp)": { "index": 104, "kind": "function", "displayName": "Kind of Type", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "What kind of type is the value (null,number,string,boolean,array,object)", "ognl": false, "suffix": "}" }, + "unquote(exp)": { "index": 105, "kind": "function", "displayName": "Unquote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) with any leading\/ending quotes removed", "ognl": false, "suffix": "}" }, + "uppercase(exp)": { "index": 106, "kind": "function", "displayName": "Uppercase", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Uppercases the message body (or expression)", "ognl": false, "suffix": "}" }, + "uuid(type)": { "index": 107, "kind": "function", "displayName": "Generate UUID", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a UUID using the Camel `UuidGenerator`. You can choose between `default`, `classic`, `short` and `simple` as the type. If no type is given, the default is used. It is also possible to use a custom `Uuid [...] + "variable.name": { "index": 108, "kind": "function", "displayName": "Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The variable with the given name", "ognl": true, "suffix": "}" }, + "variableAs(key,type)": { "index": 109, "kind": "function", "displayName": "Variable As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the variable to the given type (classname).", "ognl": false, "suffix": "}" }, + "variables": { "index": 110, "kind": "function", "displayName": "Variables", "group": "function", "label": "function", "required": false, "javaType": "java.util.Map", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns all the variables from the current Exchange in a Map", "ognl": false, "suffix": "}" }, + "xpath(input,exp)": { "index": 111, "kind": "function", "displayName": "XPath", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "When working with XML data, then this allows using the XPath language, for example, to extract data from the message body (in XML format). This requires having camel-xpath JAR on the classpath. For input (optiona [...] } } diff --git a/components/camel-csimple-joor/src/test/java/org/apache/camel/language/csimple/joor/OriginalSimpleTest.java b/components/camel-csimple-joor/src/test/java/org/apache/camel/language/csimple/joor/OriginalSimpleTest.java index 180913cc4b57..09388acd2b14 100644 --- a/components/camel-csimple-joor/src/test/java/org/apache/camel/language/csimple/joor/OriginalSimpleTest.java +++ b/components/camel-csimple-joor/src/test/java/org/apache/camel/language/csimple/joor/OriginalSimpleTest.java @@ -17,6 +17,7 @@ package org.apache.camel.language.csimple.joor; import java.io.File; +import java.io.FileNotFoundException; import java.io.IOException; import java.nio.charset.StandardCharsets; import java.security.MessageDigest; @@ -2703,6 +2704,32 @@ public class OriginalSimpleTest extends LanguageTestSupport { assertEquals("Hi", s); } + @Test + public void testLoad() { + exchange.getMessage().setBody(" Hello World "); + + Expression expression = context.resolveLanguage("csimple").createExpression("${load('mysimple.txt')}"); + String s = expression.evaluate(exchange, String.class); + assertEquals("The name is ${body}", s); + + expression = context.resolveLanguage("csimple").createExpression("${load('mysimple2.txt?optional=true')}"); + s = expression.evaluate(exchange, String.class); + assertNull(s); + + try { + expression = context.resolveLanguage("csimple").createExpression("${load('mysimple2.txt?optional=false')}"); + expression.evaluate(exchange, String.class); + fail("Should throw exception"); + } catch (Exception e) { + assertIsInstanceOf(FileNotFoundException.class, e.getCause()); + } + + exchange.setVariable("myFile", "mysimple.txt"); + expression = context.resolveLanguage("csimple").createExpression("${load(${variable.myFile})}"); + s = expression.evaluate(exchange, String.class); + assertEquals("The name is ${body}", s); + } + @Test public void testTrim() { exchange.getMessage().setBody(" Hello World "); diff --git a/components/camel-csimple-joor/src/test/resources/mysimple.txt b/components/camel-csimple-joor/src/test/resources/mysimple.txt new file mode 100644 index 000000000000..d47026ae4e45 --- /dev/null +++ b/components/camel-csimple-joor/src/test/resources/mysimple.txt @@ -0,0 +1 @@ +The name is ${body} \ No newline at end of file diff --git a/core/camel-core-languages/src/generated/resources/META-INF/org/apache/camel/language/simple/simple.json b/core/camel-core-languages/src/generated/resources/META-INF/org/apache/camel/language/simple/simple.json index 87ca1193ffaf..5a8fe07dbeb0 100644 --- a/core/camel-core-languages/src/generated/resources/META-INF/org/apache/camel/language/simple/simple.json +++ b/core/camel-core-languages/src/generated/resources/META-INF/org/apache/camel/language/simple/simple.json @@ -83,58 +83,59 @@ "join(separator,prefix,exp)": { "index": 55, "kind": "function", "displayName": "Join", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The join function iterates the message body\/expression and joins the data into a string. The separator is by default a comma. The prefix is optional. The join uses the message body as source by default. [...] "length(exp)": { "index": 56, "kind": "function", "displayName": "Length", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The payload length (number of bytes) of the message body (or expression).", "ognl": false, "suffix": "}" }, "list(val...)": { "index": 57, "kind": "function", "displayName": "Create List of values", "group": "function", "label": "function", "required": false, "javaType": "java.util.ArrayList", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The list function creates an ArrayList with the given set of values.", "ognl": false, "suffix": "}" }, - "lowercase(exp)": { "index": 58, "kind": "function", "displayName": "Lowercase", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Lowercases the message body (or expression)", "ognl": false, "suffix": "}" }, - "mandatoryBodyAs(type)": { "index": 59, "kind": "function", "displayName": "Mandatory Body As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the message body to the given type (classname). If the body is null then the function will fail with an exception", "ognl": true, "suffix": "}" }, - "map(key1,value1,...)": { "index": 60, "kind": "function", "displayName": "Create Map of pairs", "group": "function", "label": "function", "required": false, "javaType": "java.util.LinkedHashMap", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The map function creates a LinkedHashMap with the given set of pairs.", "ognl": false, "suffix": "}" }, - "max(val...)": { "index": 61, "kind": "function", "displayName": "Maximum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the maximum number from all the values (integral numbers only).", "ognl": false, "suffix": "}" }, - "messageAs(type)": { "index": 62, "kind": "function", "displayName": "Message As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the message to the given type (classname).", "ognl": true, "suffix": "}" }, - "messageHistory(boolean)": { "index": 63, "kind": "function", "displayName": "Print Message History", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The message history of the current exchange (how it has been routed). This is similar to the route stack-trace message history the error handler logs in case of an unhandled exception. The b [...] - "messageTimestamp": { "index": 64, "kind": "function", "displayName": "Message Timestamp", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The message timestamp (millis since epoc) that this message originates from. Some systems like JMS, Kafka, AWS have a timestamp on the event\/message that Camel received. This method returns the timestam [...] - "min(val...)": { "index": 65, "kind": "function", "displayName": "Minimum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the minimum number from all the values (integral numbers only).", "ognl": false, "suffix": "}" }, - "newEmpty(type)": { "index": 66, "kind": "function", "displayName": "Create Empty Object", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Creates a new empty object (decided by type). Use `string` to create an empty String. Use `list` to create an empty `java.util.ArrayList`. Use `map` to create an empty `java.util.LinkedHashMap`. Use `s [...] - "normalizeWhitespace(exp)": { "index": 67, "kind": "function", "displayName": "Normalize Whitespace", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Normalizes the whitespace in the message body (or expression) by cleaning up excess whitespaces.", "ognl": false, "suffix": "}" }, - "not": { "index": 68, "kind": "function", "displayName": "Not", "group": "function", "label": "function", "required": false, "javaType": "boolean", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Evaluates the predicate and returns the opposite.", "ognl": false, "suffix": "}" }, - "null": { "index": 69, "kind": "function", "displayName": "Null", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Represents a null value", "ognl": false, "suffix": "}" }, - "originalBody": { "index": 70, "kind": "function", "displayName": "Original Body", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The original incoming body (only available if allowUseOriginalMessage=true).", "ognl": false, "suffix": "}" }, - "pad(exp,width,separator)": { "index": 71, "kind": "function", "displayName": "Pad String", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Pads the expression with extra padding if necessary, according the the total width. The separator is by default a space. If the width is negative then padding to the right, otherwise to the left.", "o [...] - "pretty(exp)": { "index": 72, "kind": "function", "displayName": "Pretty Print", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the expression to a String, and attempts to pretty print if JSon or XML, otherwise the expression is returned as the String value.", "ognl": false, "suffix": "}" }, - "prettyBody": { "index": 73, "kind": "function", "displayName": "Pretty Body", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the body to a String, and attempts to pretty print if JSon or XML; otherwise the body is returned as the String value.", "ognl": false, "suffix": "}" }, - "properties:key:default": { "index": 74, "kind": "function", "displayName": "Property Placeholder", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Lookup a property placeholder with the given key. If the key does not exist nor has a value, then an optional default value can be specified.", "ognl": false, "suffix": "}" }, - "propertiesExist:key": { "index": 75, "kind": "function", "displayName": "Property Placeholder Exists", "group": "function", "label": "function", "required": false, "javaType": "boolean", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Checks whether a property placeholder with the given key exists or not. The result can be negated by prefixing the key with !", "ognl": false, "suffix": "}" }, - "quote(exp)": { "index": 76, "kind": "function", "displayName": "Quote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) as a double quoted string", "ognl": false, "suffix": "}" }, - "random(min,max)": { "index": 77, "kind": "function", "displayName": "Random", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a random number between min and max (exclusive)", "ognl": false, "suffix": "}" }, - "ref:name": { "index": 78, "kind": "function", "displayName": "Bean By Id", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "To look up a bean from the Registry with the given name.", "ognl": false, "suffix": "}" }, - "replace(from,to,exp)": { "index": 79, "kind": "function", "displayName": "Replace String Values", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Replace all the string values in the message body\/expression. To make it easier to replace single and double quotes, then you can use XML escaped values `\\"` as double quote, `\\'` [...] - "reverse(val...)": { "index": 80, "kind": "function", "displayName": "Reverse Values", "group": "function", "label": "function", "required": false, "javaType": "List", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a list of all the values, but in reverse order", "ognl": false, "suffix": "}" }, - "routeGroup": { "index": 81, "kind": "function", "displayName": "Route Group", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The route group of the current route the Exchange is being routed. Not all routes have a group assigned, so this may be null.", "ognl": false, "suffix": "}" }, - "routeId": { "index": 82, "kind": "function", "displayName": "Route Id", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The route id of the current route the Exchange is being routed", "ognl": false, "suffix": "}" }, - "safeQuote(exp)": { "index": 83, "kind": "function", "displayName": "Safe Quote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) safely quoted if needed", "ognl": false, "suffix": "}" }, - "setVariable(key,exp)": { "index": 84, "kind": "function", "displayName": "Set Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets an attachment with payload from the message body\/expression.", "ognl": false, "suffix": "}" }, - "setHeader(name,type,exp)": { "index": 85, "kind": "function", "displayName": "Set Header", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets a message header with the given expression (optional converting to the given type)", "ognl": false, "suffix": "}" }, - "setVariable(name,type,exp)": { "index": 86, "kind": "function", "displayName": "Set Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets a variable with the given expression (optional converting to the given type)", "ognl": false, "suffix": "}" }, - "shuffle(val...)": { "index": 87, "kind": "function", "displayName": "Shuffle Values", "group": "function", "label": "function", "required": false, "javaType": "List", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a list of all the values shuffled in random order", "ognl": false, "suffix": "}" }, - "size(exp)": { "index": 88, "kind": "function", "displayName": "Size", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the number of elements in collection or array based payloads. If the value is null then 0 is returned, otherwise 1.", "ognl": false, "suffix": "}" }, - "skip(num)": { "index": 89, "kind": "function", "displayName": "Skip First Items from the Message Body", "group": "function", "label": "function", "required": false, "javaType": "java.util.Iterator", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The skip function iterates the message body and skips the first number of items. This can be used with the Splitter EIP to split a message body and skip the first N number of [...] - "split(exp,separator)": { "index": 90, "kind": "function", "displayName": "Split String Values", "group": "function", "label": "function", "required": false, "javaType": "String[]", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Splits the message body\/expression as a String value using the separator into a String array", "ognl": false, "suffix": "}" }, - "stepId": { "index": 91, "kind": "function", "displayName": "Step Id", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the id of the current step the Exchange is being routed.", "ognl": false, "suffix": "}" }, - "substring(head,tail)": { "index": 92, "kind": "function", "displayName": "Substring", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression. If only one positive number, then the returned string is clipped from the beginning. If only one negative number, then the returned string is clipped fr [...] - "substringAfter(exp,before)": { "index": 93, "kind": "function", "displayName": "Substring After", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that comes after. Returns null if nothing comes after.", "ognl": false, "suffix": "}" }, - "substringBefore(exp,before)": { "index": 94, "kind": "function", "displayName": "Substring Before", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that comes before. Returns null if nothing comes before.", "ognl": false, "suffix": "}" }, - "substringBetween(exp,after,before)": { "index": 95, "kind": "function", "displayName": "Substring Between", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that are between after and before. Returns null if nothing comes between.", "ognl": false, "suffix": "}" }, - "sum(val...)": { "index": 96, "kind": "function", "displayName": "Calculate Sum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sums together all the values as integral numbers. This function can also be used to subtract by using negative numbers.", "ognl": false, "suffix": "}" }, - "sys.name": { "index": 97, "kind": "function", "displayName": "JVM System Property", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The JVM system property with the given name", "ognl": false, "suffix": "}" }, - "threadId": { "index": 98, "kind": "function", "displayName": "Thread Id", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the id of the current thread. Can be used for logging.", "ognl": false, "suffix": "}" }, - "threadName": { "index": 99, "kind": "function", "displayName": "Thread Name", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the name of the current thread. Can be used for logging.", "ognl": false, "suffix": "}" }, - "throwException(type,msg)": { "index": 100, "kind": "function", "displayName": "Throw Exception", "group": "function", "label": "function", "required": false, "javaType": "java.lang.Exception", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Deliberately throws an error. Uses IllegalArgumentException by default if no type is specified (use fully qualified classname).", "ognl": false, "suffix": "}" }, - "trim(exp)": { "index": 101, "kind": "function", "displayName": "Trim", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The trim function trims the message body (or expression) by removing all leading and trailing white spaces.", "ognl": false, "suffix": "}" }, - "type:name.field": { "index": 102, "kind": "function", "displayName": "Java Field Value", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "To refer to a type or field by its classname. To refer to a field, you can append .FIELD_NAME. For example, you can refer to the constant field from Exchange as: `org.apache.camel.Exchange.FILE_NAME`", [...] - "kindOfType(exp)": { "index": 103, "kind": "function", "displayName": "Kind of Type", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "What kind of type is the value (null,number,string,boolean,array,object)", "ognl": false, "suffix": "}" }, - "unquote(exp)": { "index": 104, "kind": "function", "displayName": "Unquote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) with any leading\/ending quotes removed", "ognl": false, "suffix": "}" }, - "uppercase(exp)": { "index": 105, "kind": "function", "displayName": "Uppercase", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Uppercases the message body (or expression)", "ognl": false, "suffix": "}" }, - "uuid(type)": { "index": 106, "kind": "function", "displayName": "Generate UUID", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a UUID using the Camel `UuidGenerator`. You can choose between `default`, `classic`, `short` and `simple` as the type. If no type is given, the default is used. It is also possible to use a custom `Uuid [...] - "variable.name": { "index": 107, "kind": "function", "displayName": "Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The variable with the given name", "ognl": true, "suffix": "}" }, - "variableAs(key,type)": { "index": 108, "kind": "function", "displayName": "Variable As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the variable to the given type (classname).", "ognl": false, "suffix": "}" }, - "variables": { "index": 109, "kind": "function", "displayName": "Variables", "group": "function", "label": "function", "required": false, "javaType": "java.util.Map", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns all the variables from the current Exchange in a Map", "ognl": false, "suffix": "}" }, - "xpath(input,exp)": { "index": 110, "kind": "function", "displayName": "XPath", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "When working with XML data, then this allows using the XPath language, for example, to extract data from the message body (in XML format). This requires having camel-xpath JAR on the classpath. For input (optiona [...] + "load(file)": { "index": 58, "kind": "function", "displayName": "Load", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Loads the content of the resource from classpath (cannot load from file-system to avoid dangerous situations).", "ognl": false, "suffix": "}" }, + "lowercase(exp)": { "index": 59, "kind": "function", "displayName": "Lowercase", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Lowercases the message body (or expression)", "ognl": false, "suffix": "}" }, + "mandatoryBodyAs(type)": { "index": 60, "kind": "function", "displayName": "Mandatory Body As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the message body to the given type (classname). If the body is null then the function will fail with an exception", "ognl": true, "suffix": "}" }, + "map(key1,value1,...)": { "index": 61, "kind": "function", "displayName": "Create Map of pairs", "group": "function", "label": "function", "required": false, "javaType": "java.util.LinkedHashMap", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The map function creates a LinkedHashMap with the given set of pairs.", "ognl": false, "suffix": "}" }, + "max(val...)": { "index": 62, "kind": "function", "displayName": "Maximum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the maximum number from all the values (integral numbers only).", "ognl": false, "suffix": "}" }, + "messageAs(type)": { "index": 63, "kind": "function", "displayName": "Message As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the message to the given type (classname).", "ognl": true, "suffix": "}" }, + "messageHistory(boolean)": { "index": 64, "kind": "function", "displayName": "Print Message History", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The message history of the current exchange (how it has been routed). This is similar to the route stack-trace message history the error handler logs in case of an unhandled exception. The b [...] + "messageTimestamp": { "index": 65, "kind": "function", "displayName": "Message Timestamp", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The message timestamp (millis since epoc) that this message originates from. Some systems like JMS, Kafka, AWS have a timestamp on the event\/message that Camel received. This method returns the timestam [...] + "min(val...)": { "index": 66, "kind": "function", "displayName": "Minimum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the minimum number from all the values (integral numbers only).", "ognl": false, "suffix": "}" }, + "newEmpty(type)": { "index": 67, "kind": "function", "displayName": "Create Empty Object", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Creates a new empty object (decided by type). Use `string` to create an empty String. Use `list` to create an empty `java.util.ArrayList`. Use `map` to create an empty `java.util.LinkedHashMap`. Use `s [...] + "normalizeWhitespace(exp)": { "index": 68, "kind": "function", "displayName": "Normalize Whitespace", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Normalizes the whitespace in the message body (or expression) by cleaning up excess whitespaces.", "ognl": false, "suffix": "}" }, + "not": { "index": 69, "kind": "function", "displayName": "Not", "group": "function", "label": "function", "required": false, "javaType": "boolean", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Evaluates the predicate and returns the opposite.", "ognl": false, "suffix": "}" }, + "null": { "index": 70, "kind": "function", "displayName": "Null", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Represents a null value", "ognl": false, "suffix": "}" }, + "originalBody": { "index": 71, "kind": "function", "displayName": "Original Body", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The original incoming body (only available if allowUseOriginalMessage=true).", "ognl": false, "suffix": "}" }, + "pad(exp,width,separator)": { "index": 72, "kind": "function", "displayName": "Pad String", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Pads the expression with extra padding if necessary, according the the total width. The separator is by default a space. If the width is negative then padding to the right, otherwise to the left.", "o [...] + "pretty(exp)": { "index": 73, "kind": "function", "displayName": "Pretty Print", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the expression to a String, and attempts to pretty print if JSon or XML, otherwise the expression is returned as the String value.", "ognl": false, "suffix": "}" }, + "prettyBody": { "index": 74, "kind": "function", "displayName": "Pretty Body", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the body to a String, and attempts to pretty print if JSon or XML; otherwise the body is returned as the String value.", "ognl": false, "suffix": "}" }, + "properties:key:default": { "index": 75, "kind": "function", "displayName": "Property Placeholder", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Lookup a property placeholder with the given key. If the key does not exist nor has a value, then an optional default value can be specified.", "ognl": false, "suffix": "}" }, + "propertiesExist:key": { "index": 76, "kind": "function", "displayName": "Property Placeholder Exists", "group": "function", "label": "function", "required": false, "javaType": "boolean", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Checks whether a property placeholder with the given key exists or not. The result can be negated by prefixing the key with !", "ognl": false, "suffix": "}" }, + "quote(exp)": { "index": 77, "kind": "function", "displayName": "Quote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) as a double quoted string", "ognl": false, "suffix": "}" }, + "random(min,max)": { "index": 78, "kind": "function", "displayName": "Random", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a random number between min and max (exclusive)", "ognl": false, "suffix": "}" }, + "ref:name": { "index": 79, "kind": "function", "displayName": "Bean By Id", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "To look up a bean from the Registry with the given name.", "ognl": false, "suffix": "}" }, + "replace(from,to,exp)": { "index": 80, "kind": "function", "displayName": "Replace String Values", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Replace all the string values in the message body\/expression. To make it easier to replace single and double quotes, then you can use XML escaped values `\\"` as double quote, `\\'` [...] + "reverse(val...)": { "index": 81, "kind": "function", "displayName": "Reverse Values", "group": "function", "label": "function", "required": false, "javaType": "List", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a list of all the values, but in reverse order", "ognl": false, "suffix": "}" }, + "routeGroup": { "index": 82, "kind": "function", "displayName": "Route Group", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The route group of the current route the Exchange is being routed. Not all routes have a group assigned, so this may be null.", "ognl": false, "suffix": "}" }, + "routeId": { "index": 83, "kind": "function", "displayName": "Route Id", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The route id of the current route the Exchange is being routed", "ognl": false, "suffix": "}" }, + "safeQuote(exp)": { "index": 84, "kind": "function", "displayName": "Safe Quote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) safely quoted if needed", "ognl": false, "suffix": "}" }, + "setVariable(key,exp)": { "index": 85, "kind": "function", "displayName": "Set Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets an attachment with payload from the message body\/expression.", "ognl": false, "suffix": "}" }, + "setHeader(name,type,exp)": { "index": 86, "kind": "function", "displayName": "Set Header", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets a message header with the given expression (optional converting to the given type)", "ognl": false, "suffix": "}" }, + "setVariable(name,type,exp)": { "index": 87, "kind": "function", "displayName": "Set Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sets a variable with the given expression (optional converting to the given type)", "ognl": false, "suffix": "}" }, + "shuffle(val...)": { "index": 88, "kind": "function", "displayName": "Shuffle Values", "group": "function", "label": "function", "required": false, "javaType": "List", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a list of all the values shuffled in random order", "ognl": false, "suffix": "}" }, + "size(exp)": { "index": 89, "kind": "function", "displayName": "Size", "group": "function", "label": "function", "required": false, "javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the number of elements in collection or array based payloads. If the value is null then 0 is returned, otherwise 1.", "ognl": false, "suffix": "}" }, + "skip(num)": { "index": 90, "kind": "function", "displayName": "Skip First Items from the Message Body", "group": "function", "label": "function", "required": false, "javaType": "java.util.Iterator", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The skip function iterates the message body and skips the first number of items. This can be used with the Splitter EIP to split a message body and skip the first N number of [...] + "split(exp,separator)": { "index": 91, "kind": "function", "displayName": "Split String Values", "group": "function", "label": "function", "required": false, "javaType": "String[]", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Splits the message body\/expression as a String value using the separator into a String array", "ognl": false, "suffix": "}" }, + "stepId": { "index": 92, "kind": "function", "displayName": "Step Id", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the id of the current step the Exchange is being routed.", "ognl": false, "suffix": "}" }, + "substring(head,tail)": { "index": 93, "kind": "function", "displayName": "Substring", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression. If only one positive number, then the returned string is clipped from the beginning. If only one negative number, then the returned string is clipped fr [...] + "substringAfter(exp,before)": { "index": 94, "kind": "function", "displayName": "Substring After", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that comes after. Returns null if nothing comes after.", "ognl": false, "suffix": "}" }, + "substringBefore(exp,before)": { "index": 95, "kind": "function", "displayName": "Substring Before", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that comes before. Returns null if nothing comes before.", "ognl": false, "suffix": "}" }, + "substringBetween(exp,after,before)": { "index": 96, "kind": "function", "displayName": "Substring Between", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a substring of the message body\/expression that are between after and before. Returns null if nothing comes between.", "ognl": false, "suffix": "}" }, + "sum(val...)": { "index": 97, "kind": "function", "displayName": "Calculate Sum Number", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Sums together all the values as integral numbers. This function can also be used to subtract by using negative numbers.", "ognl": false, "suffix": "}" }, + "sys.name": { "index": 98, "kind": "function", "displayName": "JVM System Property", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The JVM system property with the given name", "ognl": false, "suffix": "}" }, + "threadId": { "index": 99, "kind": "function", "displayName": "Thread Id", "group": "function", "label": "function", "required": false, "javaType": "long", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the id of the current thread. Can be used for logging.", "ognl": false, "suffix": "}" }, + "threadName": { "index": 100, "kind": "function", "displayName": "Thread Name", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the name of the current thread. Can be used for logging.", "ognl": false, "suffix": "}" }, + "throwException(type,msg)": { "index": 101, "kind": "function", "displayName": "Throw Exception", "group": "function", "label": "function", "required": false, "javaType": "java.lang.Exception", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Deliberately throws an error. Uses IllegalArgumentException by default if no type is specified (use fully qualified classname).", "ognl": false, "suffix": "}" }, + "trim(exp)": { "index": 102, "kind": "function", "displayName": "Trim", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The trim function trims the message body (or expression) by removing all leading and trailing white spaces.", "ognl": false, "suffix": "}" }, + "type:name.field": { "index": 103, "kind": "function", "displayName": "Java Field Value", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "To refer to a type or field by its classname. To refer to a field, you can append .FIELD_NAME. For example, you can refer to the constant field from Exchange as: `org.apache.camel.Exchange.FILE_NAME`", [...] + "kindOfType(exp)": { "index": 104, "kind": "function", "displayName": "Kind of Type", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "What kind of type is the value (null,number,string,boolean,array,object)", "ognl": false, "suffix": "}" }, + "unquote(exp)": { "index": 105, "kind": "function", "displayName": "Unquote", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns the message body (or expression) with any leading\/ending quotes removed", "ognl": false, "suffix": "}" }, + "uppercase(exp)": { "index": 106, "kind": "function", "displayName": "Uppercase", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Uppercases the message body (or expression)", "ognl": false, "suffix": "}" }, + "uuid(type)": { "index": 107, "kind": "function", "displayName": "Generate UUID", "group": "function", "label": "function", "required": false, "javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns a UUID using the Camel `UuidGenerator`. You can choose between `default`, `classic`, `short` and `simple` as the type. If no type is given, the default is used. It is also possible to use a custom `Uuid [...] + "variable.name": { "index": 108, "kind": "function", "displayName": "Variable", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "The variable with the given name", "ognl": true, "suffix": "}" }, + "variableAs(key,type)": { "index": 109, "kind": "function", "displayName": "Variable As", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Converts the variable to the given type (classname).", "ognl": false, "suffix": "}" }, + "variables": { "index": 110, "kind": "function", "displayName": "Variables", "group": "function", "label": "function", "required": false, "javaType": "java.util.Map", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "Returns all the variables from the current Exchange in a Map", "ognl": false, "suffix": "}" }, + "xpath(input,exp)": { "index": 111, "kind": "function", "displayName": "XPath", "group": "function", "label": "function", "required": false, "javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false, "secret": false, "description": "When working with XML data, then this allows using the XPath language, for example, to extract data from the message body (in XML format). This requires having camel-xpath JAR on the classpath. For input (optiona [...] } } diff --git a/core/camel-core-languages/src/main/docs/modules/languages/pages/simple-language.adoc b/core/camel-core-languages/src/main/docs/modules/languages/pages/simple-language.adoc index 5097a491047a..0a81349d5392 100644 --- a/core/camel-core-languages/src/main/docs/modules/languages/pages/simple-language.adoc +++ b/core/camel-core-languages/src/main/docs/modules/languages/pages/simple-language.adoc @@ -418,6 +418,7 @@ You can also use the `sum` function to add or subtract numbers. For example if y |`env.key` | `String` | Refers to the OS system environment variable with the given key. For example `env.HOME` to refer to the home directory. |`hash(exp,algorithm)` | `String` | Returns a hashed value (string in hex decimal) of the given expression. The algorithm can be `SHA-256` (default) or `SHA3-256`. |`hostname` | `String` | Returns the local hostname (may be `null` if not possible to resolve). +|`load(file)` | `String` | Loads the content of the resource from classpath (cannot load from file-system to avoid dangerous situations). |`null` | `null` | Returns a `null` value. |`sys.key` | `String` | *Deprecated* To lookup the JVM system property with the given key. |`sysenv.key` | `String` | To lookup the JVM system property with the given key. @@ -443,6 +444,14 @@ You can get the current thread id by the `$\{threadId}` function, and the name v And you can generate unique IDs with the xref:manual::uuidgenerator.adoc[Camel UUID Generator] by the `uuid` function. The generator supports different kinds `default`, `classic`, `short`, `simple` and `random`, such as `${uuid(random)}`. +To load data from classpath, you can use the load function such as `$\{load(myrules.json)}`. +If the file is not present on classpath, then an exception is thrown. However, you can mark the file as optional as follows: +`$\{load(myrules.json?optional=true)}`, which will return `null` if the file does not exists. + +IMPORTANT: The load function can only load from classpath; and not the file-system in general. This is on purpose +to avoid potential security risks by constructing dynamic simple expressions using the load function to attempt +to load server files. + === String Functions diff --git a/core/camel-core-languages/src/main/java/org/apache/camel/language/csimple/CSimpleHelper.java b/core/camel-core-languages/src/main/java/org/apache/camel/language/csimple/CSimpleHelper.java index 3c38b5eeb3c8..543d070af435 100644 --- a/core/camel-core-languages/src/main/java/org/apache/camel/language/csimple/CSimpleHelper.java +++ b/core/camel-core-languages/src/main/java/org/apache/camel/language/csimple/CSimpleHelper.java @@ -16,6 +16,7 @@ */ package org.apache.camel.language.csimple; +import java.io.IOException; import java.io.InputStream; import java.lang.reflect.Array; import java.lang.reflect.Constructor; @@ -55,6 +56,7 @@ import org.apache.camel.support.ExchangeHelper; import org.apache.camel.support.GroupIterator; import org.apache.camel.support.LanguageHelper; import org.apache.camel.support.MessageHelper; +import org.apache.camel.support.ResourceHelper; import org.apache.camel.util.FileUtil; import org.apache.camel.util.IOHelper; import org.apache.camel.util.InetAddressUtil; @@ -1343,4 +1345,32 @@ public final class CSimpleHelper { return "null"; } + public static String load(Exchange exchange, Object value) throws IOException { + String name; + if (value != null) { + name = exchange.getContext().getTypeConverter().tryConvertTo(String.class, exchange, value); + } else { + name = exchange.getMessage().getBody(String.class); + } + name = name.trim(); + String part = StringHelper.after(name, ":", name); + boolean optional = part.endsWith("?optional=true"); + if (optional) { + part = part.substring(part.length() - 14); + } + if (part.endsWith("?optional=false")) { + part = part.substring(0, part.length() - 15); + } + InputStream is; + if (!optional) { + is = ResourceHelper.resolveMandatoryResourceAsInputStream(exchange.getContext(), part); + } else { + is = ResourceHelper.resolveResourceAsInputStream(exchange.getContext(), part); + } + if (is == null) { + return null; + } + return IOHelper.loadText(is, false); + } + } diff --git a/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/SimpleConstants.java b/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/SimpleConstants.java index 0f53f09b3f22..46bc0479bef8 100644 --- a/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/SimpleConstants.java +++ b/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/SimpleConstants.java @@ -238,6 +238,11 @@ public final class SimpleConstants { javaType = "java.util.ArrayList", displayName = "Create List of values") public static final String LIST = "list(val...)"; + @Metadata(description = "Loads the content of the resource from classpath (cannot load from file-system to avoid dangerous situations).", + label = "function", javaType = "String", + displayName = "Load") + public static final String LOAD = "load(file)"; + @Metadata(description = "Lowercases the message body (or expression)", label = "function", javaType = "String", displayName = "Lowercase") public static final String LOWERCASE = "lowercase(exp)"; diff --git a/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/SimpleExpressionBuilder.java b/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/SimpleExpressionBuilder.java index 3279a159d18f..ecd48ff2acdb 100644 --- a/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/SimpleExpressionBuilder.java +++ b/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/SimpleExpressionBuilder.java @@ -60,6 +60,7 @@ import org.apache.camel.support.ExpressionAdapter; import org.apache.camel.support.LanguageHelper; import org.apache.camel.support.MessageHelper; import org.apache.camel.support.RandomUuidGenerator; +import org.apache.camel.support.ResourceHelper; import org.apache.camel.support.ShortUuidGenerator; import org.apache.camel.support.SimpleUuidGenerator; import org.apache.camel.support.builder.ExpressionBuilder; @@ -2889,6 +2890,58 @@ public final class SimpleExpressionBuilder { }; } + /** + * Loads the given resource from classpath + */ + public static Expression loadExpression(final String expression) { + return new ExpressionAdapter() { + + private Expression exp; + + @Override + public void init(CamelContext context) { + exp = context.resolveLanguage("simple").createExpression(expression); + exp.init(context); + } + + @Override + public Object evaluate(Exchange exchange) { + String name = exp.evaluate(exchange, String.class); + if (name != null) { + name = name.trim(); + String part = StringHelper.after(name, ":", name); + boolean optional = part.endsWith("?optional=true"); + if (optional) { + part = part.substring(0, part.length() - 14); + } + if (part.endsWith("?optional=false")) { + part = part.substring(0, part.length() - 15); + } + try { + InputStream is; + if (!optional) { + is = ResourceHelper.resolveMandatoryResourceAsInputStream(exchange.getContext(), part); + } else { + is = ResourceHelper.resolveResourceAsInputStream(exchange.getContext(), part); + } + if (is == null) { + return null; + } + return IOHelper.loadText(is, false); + } catch (Exception e) { + throw RuntimeCamelException.wrapRuntimeException(e); + } + } + return null; + } + + @Override + public String toString() { + return "load(" + expression + ")"; + } + }; + } + /** * Returns an expression for a type value * diff --git a/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/ast/SimpleFunctionExpression.java b/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/ast/SimpleFunctionExpression.java index d265cc90a7cc..185cdaeb718f 100644 --- a/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/ast/SimpleFunctionExpression.java +++ b/core/camel-core-languages/src/main/java/org/apache/camel/language/simple/ast/SimpleFunctionExpression.java @@ -1564,6 +1564,18 @@ public class SimpleFunctionExpression extends LiteralExpression { return SimpleExpressionBuilder.mapExpression(tokens); } + // load function + remainder = ifStartsWithReturnRemainder("load(", function); + if (remainder != null) { + String value = StringHelper.beforeLast(remainder, ")"); + if (ObjectHelper.isEmpty(value)) { + throw new SimpleParserException( + "Valid syntax: ${load(name)} but was: " + function, token.getIndex()); + } + value = StringHelper.removeQuotes(value); + return SimpleExpressionBuilder.loadExpression(value); + } + return null; } @@ -3734,6 +3746,22 @@ public class SimpleFunctionExpression extends LiteralExpression { + tokens[1] + " : " + tokens[2]; } + // load function + remainder = ifStartsWithReturnRemainder("load(", function); + if (remainder != null) { + String value = StringHelper.beforeLast(remainder, ")"); + if (ObjectHelper.isEmpty(value)) { + throw new SimpleParserException( + "Valid syntax: ${load(name)} but was: " + function, token.getIndex()); + } + // single quotes should be double quotes + if (StringHelper.isSingleQuoted(value)) { + value = StringHelper.removeLeadingAndEndingQuotes(value); + value = StringQuoteHelper.doubleQuote(value); + } + return "Object o = " + value + ";\n return load(exchange, o);"; + } + return null; } diff --git a/core/camel-core/src/test/java/org/apache/camel/language/simple/SimpleTest.java b/core/camel-core/src/test/java/org/apache/camel/language/simple/SimpleTest.java index 8d48717fea38..fb14c247b4ab 100644 --- a/core/camel-core/src/test/java/org/apache/camel/language/simple/SimpleTest.java +++ b/core/camel-core/src/test/java/org/apache/camel/language/simple/SimpleTest.java @@ -17,6 +17,7 @@ package org.apache.camel.language.simple; import java.io.File; +import java.io.FileNotFoundException; import java.io.IOException; import java.nio.charset.StandardCharsets; import java.security.MessageDigest; @@ -3028,6 +3029,32 @@ public class SimpleTest extends LanguageTestSupport { assertEquals("Hi", s); } + @Test + public void testLoad() { + exchange.getMessage().setBody(" Hello World "); + + Expression expression = context.resolveLanguage("simple").createExpression("${load(mysimple.txt)}"); + String s = expression.evaluate(exchange, String.class); + assertEquals("The name is ${body}", s); + + expression = context.resolveLanguage("simple").createExpression("${load(mysimple2.txt?optional=true)}"); + s = expression.evaluate(exchange, String.class); + assertNull(s); + + try { + expression = context.resolveLanguage("simple").createExpression("${load(mysimple2.txt?optional=false)}"); + expression.evaluate(exchange, String.class); + fail("Should throw exception"); + } catch (Exception e) { + assertIsInstanceOf(FileNotFoundException.class, e.getCause()); + } + + exchange.setVariable("myFile", "mysimple.txt"); + expression = context.resolveLanguage("simple").createExpression("${load(${variable.myFile})}"); + s = expression.evaluate(exchange, String.class); + assertEquals("The name is ${body}", s); + } + @Test public void testTrim() { exchange.getMessage().setBody(" Hello World "); diff --git a/core/camel-util/src/main/java/org/apache/camel/util/IOHelper.java b/core/camel-util/src/main/java/org/apache/camel/util/IOHelper.java index e5f74deed6cb..4d4a80ba5b05 100644 --- a/core/camel-util/src/main/java/org/apache/camel/util/IOHelper.java +++ b/core/camel-util/src/main/java/org/apache/camel/util/IOHelper.java @@ -518,6 +518,15 @@ public final class IOHelper { * Warning, don't use for crazy big streams :) */ public static String loadText(InputStream in) throws IOException { + return loadText(in, true); + } + + /** + * Loads the entire stream into memory as a String and returns it. + * <p/> + * Warning, don't use for crazy big streams :) + */ + public static String loadText(InputStream in, boolean newLine) throws IOException { StringBuilder builder = new StringBuilder(2048); InputStreamReader isr = new InputStreamReader(in); try { @@ -525,9 +534,14 @@ public final class IOHelper { while (true) { String line = reader.readLine(); if (line != null) { + if (!builder.isEmpty()) { + builder.append("\n"); + } builder.append(line); - builder.append("\n"); } else { + if (!builder.isEmpty() && newLine) { + builder.append("\n"); + } break; } } diff --git a/core/camel-util/src/main/java/org/apache/camel/util/SimpleUtils.java b/core/camel-util/src/main/java/org/apache/camel/util/SimpleUtils.java index 4d87e2a0173a..7319c067c4ed 100644 --- a/core/camel-util/src/main/java/org/apache/camel/util/SimpleUtils.java +++ b/core/camel-util/src/main/java/org/apache/camel/util/SimpleUtils.java @@ -84,6 +84,7 @@ public class SimpleUtils { "kindoftype", "length", "list", + "load", "lowercase", "mandatorybodyas", "map",
