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The following commit(s) were added to refs/heads/main by this push:
new dec290f754b4 camel-core - Add pad function to simple language
dec290f754b4 is described below
commit dec290f754b4483776c047a27f56fa2aa6b45f93
Author: Claus Ibsen <[email protected]>
AuthorDate: Mon Jan 19 18:11:45 2026 +0100
camel-core - Add pad function to simple language
---
.../org/apache/camel/catalog/languages/simple.json | 49 ++++++++---------
.../language/csimple/joor/OriginalSimpleTest.java | 26 +++++++++
.../org/apache/camel/language/simple/simple.json | 49 ++++++++---------
.../modules/languages/pages/simple-language.adoc | 1 +
.../camel/language/csimple/CSimpleHelper.java | 18 +++++++
.../camel/language/simple/SimpleConstants.java | 4 ++
.../language/simple/SimpleExpressionBuilder.java | 43 +++++++++++++++
.../simple/ast/SimpleFunctionExpression.java | 63 ++++++++++++++++++++++
.../apache/camel/language/simple/SimpleTest.java | 26 +++++++++
9 files changed, 231 insertions(+), 48 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 34c51fcd4954..41b617a2bf2a 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
@@ -81,29 +81,30 @@
"skip(num)": { "index": 55, "kind": "function", "displayName": "Skip First
Items from the Message Body", "group": "function", "label": "function",
"required": false, "javaType": "java.util.Iterator", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The skip function iterates the message body and skips
the first number of items. This can be used with the Splitter EIP to split a
message body and skip the first N number of [...]
"convertTo(exp,type)": { "index": 56, "kind": "function", "displayName":
"Convert To", "group": "function", "label": "function", "required": false,
"javaType": "", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "Converts the message body
(or expression) to the specified type.", "ognl": true, "suffix": "}" },
"trim(exp)": { "index": 57, "kind": "function", "displayName": "Trim",
"group": "function", "label": "function", "required": false, "javaType":
"String", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "The trim function trims
the message body (or expression) by removing all leading and trailing white
spaces.", "ognl": false, "suffix": "}" },
- "length(exp)": { "index": 58, "kind": "function", "displayName": "Length",
"group": "function", "label": "function", "required": false, "javaType": "int",
"prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false,
"secret": false, "description": "The payload length (number of bytes) of the
message body (or expression).", "ognl": false, "suffix": "}" },
- "size(exp)": { "index": 59, "kind": "function", "displayName": "Size",
"group": "function", "label": "function", "required": false, "javaType": "int",
"prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false,
"secret": false, "description": "The size of the message body (or expression).
If the payload is java.util.Collection or java.util.Map based then the size is
the number of elements; otherwise the payload size in bytes.", "ognl": false,
"suffix": "}" },
- "uppercase(exp)": { "index": 60, "kind": "function", "displayName":
"Uppercase", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Uppercases the message
body (or expression)", "ognl": false, "suffix": "}" },
- "lowercase(exp)": { "index": 61, "kind": "function", "displayName":
"Lowercase", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Lowercases the message
body (or expression)", "ognl": false, "suffix": "}" },
- "concat(exp,exp,separator)": { "index": 62, "kind": "function",
"displayName": "Concat", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Performs a string concat using two expressions (message body as default) with
optional separator", "ognl": false, "suffix": "}" },
- "collate(num)": { "index": 63, "kind": "function", "displayName": "Group
Message Body into Sub Lists", "group": "function", "label": "function",
"required": false, "javaType": "java.util.Iterator", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The collate function iterates the message body and
groups the data into sub lists of specified size. This can be used with the
Splitter EIP to split a message body and group\/ba [...]
- "join(separator,prefix,exp)": { "index": 64, "kind": "function",
"displayName": "Join", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "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. [...]
- "messageHistory(boolean)": { "index": 65, "kind": "function",
"displayName": "Print Message History", "group": "function", "label":
"function", "required": false, "javaType": "String", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The message history of the current exchange (how it has
been routed). This is similar to the route stack-trace message history the
error handler logs in case of an unhandled exception. The b [...]
- "uuid(type)": { "index": 66, "kind": "function", "displayName": "Generate
UUID", "group": "function", "label": "function", "required": false, "javaType":
"String", "prefix": "${", "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 `UuidG [...]
- "hash(exp,algorithm)": { "index": 67, "kind": "function", "displayName":
"Compute Hash Value", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Returns a hashed value (string in hex decimal) of the message body\/expression
using JDK MessageDigest. The algorithm can be SHA-256 (default) or SHA3-256.",
"ognl": false, "suffix": "}" },
- "empty(type)": { "index": 68, "kind": "function", "displayName": "Create
Empty Object", "group": "function", "label": "function", "required": false,
"javaType": "Object", "prefix": "${", "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`.", "ognl": [...]
- "iif(predicate,trueExp,falseExp)": { "index": 69, "kind": "function",
"displayName": "If Then Else", "group": "function", "label": "function",
"required": false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Evaluates the predicate and returns the value of trueExp or falseExp. This
function is similar to the ternary operator in Java.", "ognl": false, "suffix":
"}" },
- "list(val...)": { "index": 70, "kind": "function", "displayName": "Create
List of values", "group": "function", "label": "function", "required": false,
"javaType": "java.util.ArrayList", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
list function creates an ArrayList with the given set of values.", "ognl":
false, "suffix": "}" },
- "map(key1,value1,...)": { "index": 71, "kind": "function", "displayName":
"Create Map of pairs", "group": "function", "label": "function", "required":
false, "javaType": "java.util.LinkedHashMap", "prefix": "${", "deprecated":
false, "deprecationNote": "", "autowired": false, "secret": false,
"description": "The map function creates a LinkedHashMap with the given set of
pairs.", "ognl": false, "suffix": "}" },
- "attachments": { "index": 72, "kind": "function", "displayName":
"Attachments", "group": "function", "label": "function", "required": false,
"javaType": "java.util.Map", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "All
the attachments as a Map<String,DataHandler.", "ognl": false, "suffix": "}" },
- "attachments.size": { "index": 73, "kind": "function", "displayName":
"Attachments", "group": "function", "label": "function", "required": false,
"javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "The number of attachments.
Is 0 if there are no attachments.", "ognl": false, "suffix": "}" },
- "attachmentContentAsText": { "index": 74, "kind": "function",
"displayName": "Attachment Content As Text", "group": "function", "label":
"function", "required": false, "javaType": "String", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The content of the attachment as text (ie String).",
"ognl": false, "suffix": "}" },
- "attachmentContent": { "index": 75, "kind": "function", "displayName":
"Attachment Content", "group": "function", "label": "function", "required":
false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
content of the attachment", "ognl": false, "suffix": "}" },
- "attachmentContentAs(type)": { "index": 76, "kind": "function",
"displayName": "Attachment Content As", "group": "function", "label":
"function", "required": false, "javaType": "Object", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The content of the attachment, converted to the given
type.", "ognl": false, "suffix": "}" },
- "attachmentHeader(key,name)": { "index": 77, "kind": "function",
"displayName": "Attachment Header", "group": "function", "label": "function",
"required": false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
attachment header with the given name.", "ognl": false, "suffix": "}" },
- "attachmentHeader(key,name,type)": { "index": 78, "kind": "function",
"displayName": "Attachment Header", "group": "function", "label": "function",
"required": false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
attachment header with the given name, converted to the given type.", "ognl":
false, "suffix": "}" },
- "attachment(key)": { "index": 79, "kind": "function", "displayName":
"Attachment", "group": "function", "label": "function", "required": false,
"javaType": "jakarta.activation.DataHandler", "prefix": "${", "deprecated":
false, "deprecationNote": "", "autowired": false, "secret": false,
"description": "The DataHandler for the given attachment.", "ognl": true,
"suffix": "}" },
- "base64Encode(exp)": { "index": 80, "kind": "function", "displayName":
"Base64 Encode", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Base64 encodes the
message body (or expression)", "ognl": false, "suffix": "}" },
- "base64Decode(exp)": { "index": 81, "kind": "function", "displayName":
"Base64 Decode", "group": "function", "label": "function", "required": false,
"javaType": "byte[]", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Base64 decodes the
message body (or expression)", "ognl": false, "suffix": "}" }
+ "pad(exp,width,separator)": { "index": 58, "kind": "function",
"displayName": "Pad String", "group": "function", "label": "function",
"required": false, "javaType": "String", "prefix": "${", "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 [...]
+ "length(exp)": { "index": 59, "kind": "function", "displayName": "Length",
"group": "function", "label": "function", "required": false, "javaType": "int",
"prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false,
"secret": false, "description": "The payload length (number of bytes) of the
message body (or expression).", "ognl": false, "suffix": "}" },
+ "size(exp)": { "index": 60, "kind": "function", "displayName": "Size",
"group": "function", "label": "function", "required": false, "javaType": "int",
"prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false,
"secret": false, "description": "The size of the message body (or expression).
If the payload is java.util.Collection or java.util.Map based then the size is
the number of elements; otherwise the payload size in bytes.", "ognl": false,
"suffix": "}" },
+ "uppercase(exp)": { "index": 61, "kind": "function", "displayName":
"Uppercase", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Uppercases the message
body (or expression)", "ognl": false, "suffix": "}" },
+ "lowercase(exp)": { "index": 62, "kind": "function", "displayName":
"Lowercase", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Lowercases the message
body (or expression)", "ognl": false, "suffix": "}" },
+ "concat(exp,exp,separator)": { "index": 63, "kind": "function",
"displayName": "Concat", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Performs a string concat using two expressions (message body as default) with
optional separator", "ognl": false, "suffix": "}" },
+ "collate(num)": { "index": 64, "kind": "function", "displayName": "Group
Message Body into Sub Lists", "group": "function", "label": "function",
"required": false, "javaType": "java.util.Iterator", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The collate function iterates the message body and
groups the data into sub lists of specified size. This can be used with the
Splitter EIP to split a message body and group\/ba [...]
+ "join(separator,prefix,exp)": { "index": 65, "kind": "function",
"displayName": "Join", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
join function iterates the message body\/expression and joins the data into a
string. The separator is by default a comma. The prefix is optional. The join
uses the message body as source by default. [...]
+ "messageHistory(boolean)": { "index": 66, "kind": "function",
"displayName": "Print Message History", "group": "function", "label":
"function", "required": false, "javaType": "String", "prefix": "${",
"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 [...]
+ "uuid(type)": { "index": 67, "kind": "function", "displayName": "Generate
UUID", "group": "function", "label": "function", "required": false, "javaType":
"String", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "Returns a UUID using the
Camel `UuidGenerator`. You can choose between `default`, `classic`, `short` and
`simple` as the type. If no type is given, the default is used. It is also
possible to use a custom `UuidG [...]
+ "hash(exp,algorithm)": { "index": 68, "kind": "function", "displayName":
"Compute Hash Value", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Returns a hashed value (string in hex decimal) of the message body\/expression
using JDK MessageDigest. The algorithm can be SHA-256 (default) or SHA3-256.",
"ognl": false, "suffix": "}" },
+ "empty(type)": { "index": 69, "kind": "function", "displayName": "Create
Empty Object", "group": "function", "label": "function", "required": false,
"javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Creates a new empty
object (decided by type). Use `string` to create an empty String. Use `list` to
create an empty `java.util.ArrayList`. Use `map` to create an empty
`java.util.LinkedHashMap`.", "ognl": [...]
+ "iif(predicate,trueExp,falseExp)": { "index": 70, "kind": "function",
"displayName": "If Then Else", "group": "function", "label": "function",
"required": false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Evaluates the predicate and returns the value of trueExp or falseExp. This
function is similar to the ternary operator in Java.", "ognl": false, "suffix":
"}" },
+ "list(val...)": { "index": 71, "kind": "function", "displayName": "Create
List of values", "group": "function", "label": "function", "required": false,
"javaType": "java.util.ArrayList", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
list function creates an ArrayList with the given set of values.", "ognl":
false, "suffix": "}" },
+ "map(key1,value1,...)": { "index": 72, "kind": "function", "displayName":
"Create Map of pairs", "group": "function", "label": "function", "required":
false, "javaType": "java.util.LinkedHashMap", "prefix": "${", "deprecated":
false, "deprecationNote": "", "autowired": false, "secret": false,
"description": "The map function creates a LinkedHashMap with the given set of
pairs.", "ognl": false, "suffix": "}" },
+ "attachments": { "index": 73, "kind": "function", "displayName":
"Attachments", "group": "function", "label": "function", "required": false,
"javaType": "java.util.Map", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "All
the attachments as a Map<String,DataHandler.", "ognl": false, "suffix": "}" },
+ "attachments.size": { "index": 74, "kind": "function", "displayName":
"Attachments", "group": "function", "label": "function", "required": false,
"javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "The number of attachments.
Is 0 if there are no attachments.", "ognl": false, "suffix": "}" },
+ "attachmentContentAsText": { "index": 75, "kind": "function",
"displayName": "Attachment Content As Text", "group": "function", "label":
"function", "required": false, "javaType": "String", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The content of the attachment as text (ie String).",
"ognl": false, "suffix": "}" },
+ "attachmentContent": { "index": 76, "kind": "function", "displayName":
"Attachment Content", "group": "function", "label": "function", "required":
false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
content of the attachment", "ognl": false, "suffix": "}" },
+ "attachmentContentAs(type)": { "index": 77, "kind": "function",
"displayName": "Attachment Content As", "group": "function", "label":
"function", "required": false, "javaType": "Object", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The content of the attachment, converted to the given
type.", "ognl": false, "suffix": "}" },
+ "attachmentHeader(key,name)": { "index": 78, "kind": "function",
"displayName": "Attachment Header", "group": "function", "label": "function",
"required": false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
attachment header with the given name.", "ognl": false, "suffix": "}" },
+ "attachmentHeader(key,name,type)": { "index": 79, "kind": "function",
"displayName": "Attachment Header", "group": "function", "label": "function",
"required": false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
attachment header with the given name, converted to the given type.", "ognl":
false, "suffix": "}" },
+ "attachment(key)": { "index": 80, "kind": "function", "displayName":
"Attachment", "group": "function", "label": "function", "required": false,
"javaType": "jakarta.activation.DataHandler", "prefix": "${", "deprecated":
false, "deprecationNote": "", "autowired": false, "secret": false,
"description": "The DataHandler for the given attachment.", "ognl": true,
"suffix": "}" },
+ "base64Encode(exp)": { "index": 81, "kind": "function", "displayName":
"Base64 Encode", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Base64 encodes the
message body (or expression)", "ognl": false, "suffix": "}" },
+ "base64Decode(exp)": { "index": 82, "kind": "function", "displayName":
"Base64 Decode", "group": "function", "label": "function", "required": false,
"javaType": "byte[]", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Base64 decodes the
message body (or expression)", "ognl": false, "suffix": "}" }
}
}
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 5baf41eb3c38..7571f16174e4 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
@@ -2521,6 +2521,32 @@ public class OriginalSimpleTest extends
LanguageTestSupport {
assertArrayEquals(arr2, s);
}
+ @Test
+ public void testPad() {
+ exchange.getMessage().setBody("foo");
+
+ Expression expression =
context.resolveLanguage("csimple").createExpression("${pad(${body},5)}");
+ String s = expression.evaluate(exchange, String.class);
+ assertEquals("foo ", s);
+
+ expression =
context.resolveLanguage("csimple").createExpression("${pad(${body},-5)}");
+ s = expression.evaluate(exchange, String.class);
+ assertEquals(" foo", s);
+
+ expression =
context.resolveLanguage("csimple").createExpression("${pad(${body},5,#)}");
+ s = expression.evaluate(exchange, String.class);
+ assertEquals("foo##", s);
+
+ expression =
context.resolveLanguage("csimple").createExpression("${pad(${body},-5,#)}");
+ s = expression.evaluate(exchange, String.class);
+ assertEquals("##foo", s);
+
+ exchange.getMessage().setBody("Hello World");
+ expression =
context.resolveLanguage("csimple").createExpression("${pad(${body},5)}");
+ s = expression.evaluate(exchange, String.class);
+ assertEquals("Hello World", s);
+ }
+
@Test
public void testTrim() {
exchange.getMessage().setBody(" Hello World ");
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 34c51fcd4954..41b617a2bf2a 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
@@ -81,29 +81,30 @@
"skip(num)": { "index": 55, "kind": "function", "displayName": "Skip First
Items from the Message Body", "group": "function", "label": "function",
"required": false, "javaType": "java.util.Iterator", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The skip function iterates the message body and skips
the first number of items. This can be used with the Splitter EIP to split a
message body and skip the first N number of [...]
"convertTo(exp,type)": { "index": 56, "kind": "function", "displayName":
"Convert To", "group": "function", "label": "function", "required": false,
"javaType": "", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "Converts the message body
(or expression) to the specified type.", "ognl": true, "suffix": "}" },
"trim(exp)": { "index": 57, "kind": "function", "displayName": "Trim",
"group": "function", "label": "function", "required": false, "javaType":
"String", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "The trim function trims
the message body (or expression) by removing all leading and trailing white
spaces.", "ognl": false, "suffix": "}" },
- "length(exp)": { "index": 58, "kind": "function", "displayName": "Length",
"group": "function", "label": "function", "required": false, "javaType": "int",
"prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false,
"secret": false, "description": "The payload length (number of bytes) of the
message body (or expression).", "ognl": false, "suffix": "}" },
- "size(exp)": { "index": 59, "kind": "function", "displayName": "Size",
"group": "function", "label": "function", "required": false, "javaType": "int",
"prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false,
"secret": false, "description": "The size of the message body (or expression).
If the payload is java.util.Collection or java.util.Map based then the size is
the number of elements; otherwise the payload size in bytes.", "ognl": false,
"suffix": "}" },
- "uppercase(exp)": { "index": 60, "kind": "function", "displayName":
"Uppercase", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Uppercases the message
body (or expression)", "ognl": false, "suffix": "}" },
- "lowercase(exp)": { "index": 61, "kind": "function", "displayName":
"Lowercase", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Lowercases the message
body (or expression)", "ognl": false, "suffix": "}" },
- "concat(exp,exp,separator)": { "index": 62, "kind": "function",
"displayName": "Concat", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Performs a string concat using two expressions (message body as default) with
optional separator", "ognl": false, "suffix": "}" },
- "collate(num)": { "index": 63, "kind": "function", "displayName": "Group
Message Body into Sub Lists", "group": "function", "label": "function",
"required": false, "javaType": "java.util.Iterator", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The collate function iterates the message body and
groups the data into sub lists of specified size. This can be used with the
Splitter EIP to split a message body and group\/ba [...]
- "join(separator,prefix,exp)": { "index": 64, "kind": "function",
"displayName": "Join", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "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. [...]
- "messageHistory(boolean)": { "index": 65, "kind": "function",
"displayName": "Print Message History", "group": "function", "label":
"function", "required": false, "javaType": "String", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The message history of the current exchange (how it has
been routed). This is similar to the route stack-trace message history the
error handler logs in case of an unhandled exception. The b [...]
- "uuid(type)": { "index": 66, "kind": "function", "displayName": "Generate
UUID", "group": "function", "label": "function", "required": false, "javaType":
"String", "prefix": "${", "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 `UuidG [...]
- "hash(exp,algorithm)": { "index": 67, "kind": "function", "displayName":
"Compute Hash Value", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Returns a hashed value (string in hex decimal) of the message body\/expression
using JDK MessageDigest. The algorithm can be SHA-256 (default) or SHA3-256.",
"ognl": false, "suffix": "}" },
- "empty(type)": { "index": 68, "kind": "function", "displayName": "Create
Empty Object", "group": "function", "label": "function", "required": false,
"javaType": "Object", "prefix": "${", "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`.", "ognl": [...]
- "iif(predicate,trueExp,falseExp)": { "index": 69, "kind": "function",
"displayName": "If Then Else", "group": "function", "label": "function",
"required": false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Evaluates the predicate and returns the value of trueExp or falseExp. This
function is similar to the ternary operator in Java.", "ognl": false, "suffix":
"}" },
- "list(val...)": { "index": 70, "kind": "function", "displayName": "Create
List of values", "group": "function", "label": "function", "required": false,
"javaType": "java.util.ArrayList", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
list function creates an ArrayList with the given set of values.", "ognl":
false, "suffix": "}" },
- "map(key1,value1,...)": { "index": 71, "kind": "function", "displayName":
"Create Map of pairs", "group": "function", "label": "function", "required":
false, "javaType": "java.util.LinkedHashMap", "prefix": "${", "deprecated":
false, "deprecationNote": "", "autowired": false, "secret": false,
"description": "The map function creates a LinkedHashMap with the given set of
pairs.", "ognl": false, "suffix": "}" },
- "attachments": { "index": 72, "kind": "function", "displayName":
"Attachments", "group": "function", "label": "function", "required": false,
"javaType": "java.util.Map", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "All
the attachments as a Map<String,DataHandler.", "ognl": false, "suffix": "}" },
- "attachments.size": { "index": 73, "kind": "function", "displayName":
"Attachments", "group": "function", "label": "function", "required": false,
"javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "The number of attachments.
Is 0 if there are no attachments.", "ognl": false, "suffix": "}" },
- "attachmentContentAsText": { "index": 74, "kind": "function",
"displayName": "Attachment Content As Text", "group": "function", "label":
"function", "required": false, "javaType": "String", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The content of the attachment as text (ie String).",
"ognl": false, "suffix": "}" },
- "attachmentContent": { "index": 75, "kind": "function", "displayName":
"Attachment Content", "group": "function", "label": "function", "required":
false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
content of the attachment", "ognl": false, "suffix": "}" },
- "attachmentContentAs(type)": { "index": 76, "kind": "function",
"displayName": "Attachment Content As", "group": "function", "label":
"function", "required": false, "javaType": "Object", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The content of the attachment, converted to the given
type.", "ognl": false, "suffix": "}" },
- "attachmentHeader(key,name)": { "index": 77, "kind": "function",
"displayName": "Attachment Header", "group": "function", "label": "function",
"required": false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
attachment header with the given name.", "ognl": false, "suffix": "}" },
- "attachmentHeader(key,name,type)": { "index": 78, "kind": "function",
"displayName": "Attachment Header", "group": "function", "label": "function",
"required": false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
attachment header with the given name, converted to the given type.", "ognl":
false, "suffix": "}" },
- "attachment(key)": { "index": 79, "kind": "function", "displayName":
"Attachment", "group": "function", "label": "function", "required": false,
"javaType": "jakarta.activation.DataHandler", "prefix": "${", "deprecated":
false, "deprecationNote": "", "autowired": false, "secret": false,
"description": "The DataHandler for the given attachment.", "ognl": true,
"suffix": "}" },
- "base64Encode(exp)": { "index": 80, "kind": "function", "displayName":
"Base64 Encode", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Base64 encodes the
message body (or expression)", "ognl": false, "suffix": "}" },
- "base64Decode(exp)": { "index": 81, "kind": "function", "displayName":
"Base64 Decode", "group": "function", "label": "function", "required": false,
"javaType": "byte[]", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Base64 decodes the
message body (or expression)", "ognl": false, "suffix": "}" }
+ "pad(exp,width,separator)": { "index": 58, "kind": "function",
"displayName": "Pad String", "group": "function", "label": "function",
"required": false, "javaType": "String", "prefix": "${", "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 [...]
+ "length(exp)": { "index": 59, "kind": "function", "displayName": "Length",
"group": "function", "label": "function", "required": false, "javaType": "int",
"prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false,
"secret": false, "description": "The payload length (number of bytes) of the
message body (or expression).", "ognl": false, "suffix": "}" },
+ "size(exp)": { "index": 60, "kind": "function", "displayName": "Size",
"group": "function", "label": "function", "required": false, "javaType": "int",
"prefix": "${", "deprecated": false, "deprecationNote": "", "autowired": false,
"secret": false, "description": "The size of the message body (or expression).
If the payload is java.util.Collection or java.util.Map based then the size is
the number of elements; otherwise the payload size in bytes.", "ognl": false,
"suffix": "}" },
+ "uppercase(exp)": { "index": 61, "kind": "function", "displayName":
"Uppercase", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Uppercases the message
body (or expression)", "ognl": false, "suffix": "}" },
+ "lowercase(exp)": { "index": 62, "kind": "function", "displayName":
"Lowercase", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Lowercases the message
body (or expression)", "ognl": false, "suffix": "}" },
+ "concat(exp,exp,separator)": { "index": 63, "kind": "function",
"displayName": "Concat", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Performs a string concat using two expressions (message body as default) with
optional separator", "ognl": false, "suffix": "}" },
+ "collate(num)": { "index": 64, "kind": "function", "displayName": "Group
Message Body into Sub Lists", "group": "function", "label": "function",
"required": false, "javaType": "java.util.Iterator", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The collate function iterates the message body and
groups the data into sub lists of specified size. This can be used with the
Splitter EIP to split a message body and group\/ba [...]
+ "join(separator,prefix,exp)": { "index": 65, "kind": "function",
"displayName": "Join", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
join function iterates the message body\/expression and joins the data into a
string. The separator is by default a comma. The prefix is optional. The join
uses the message body as source by default. [...]
+ "messageHistory(boolean)": { "index": 66, "kind": "function",
"displayName": "Print Message History", "group": "function", "label":
"function", "required": false, "javaType": "String", "prefix": "${",
"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 [...]
+ "uuid(type)": { "index": 67, "kind": "function", "displayName": "Generate
UUID", "group": "function", "label": "function", "required": false, "javaType":
"String", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "Returns a UUID using the
Camel `UuidGenerator`. You can choose between `default`, `classic`, `short` and
`simple` as the type. If no type is given, the default is used. It is also
possible to use a custom `UuidG [...]
+ "hash(exp,algorithm)": { "index": 68, "kind": "function", "displayName":
"Compute Hash Value", "group": "function", "label": "function", "required":
false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Returns a hashed value (string in hex decimal) of the message body\/expression
using JDK MessageDigest. The algorithm can be SHA-256 (default) or SHA3-256.",
"ognl": false, "suffix": "}" },
+ "empty(type)": { "index": 69, "kind": "function", "displayName": "Create
Empty Object", "group": "function", "label": "function", "required": false,
"javaType": "Object", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Creates a new empty
object (decided by type). Use `string` to create an empty String. Use `list` to
create an empty `java.util.ArrayList`. Use `map` to create an empty
`java.util.LinkedHashMap`.", "ognl": [...]
+ "iif(predicate,trueExp,falseExp)": { "index": 70, "kind": "function",
"displayName": "If Then Else", "group": "function", "label": "function",
"required": false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description":
"Evaluates the predicate and returns the value of trueExp or falseExp. This
function is similar to the ternary operator in Java.", "ognl": false, "suffix":
"}" },
+ "list(val...)": { "index": 71, "kind": "function", "displayName": "Create
List of values", "group": "function", "label": "function", "required": false,
"javaType": "java.util.ArrayList", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
list function creates an ArrayList with the given set of values.", "ognl":
false, "suffix": "}" },
+ "map(key1,value1,...)": { "index": 72, "kind": "function", "displayName":
"Create Map of pairs", "group": "function", "label": "function", "required":
false, "javaType": "java.util.LinkedHashMap", "prefix": "${", "deprecated":
false, "deprecationNote": "", "autowired": false, "secret": false,
"description": "The map function creates a LinkedHashMap with the given set of
pairs.", "ognl": false, "suffix": "}" },
+ "attachments": { "index": 73, "kind": "function", "displayName":
"Attachments", "group": "function", "label": "function", "required": false,
"javaType": "java.util.Map", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "All
the attachments as a Map<String,DataHandler.", "ognl": false, "suffix": "}" },
+ "attachments.size": { "index": 74, "kind": "function", "displayName":
"Attachments", "group": "function", "label": "function", "required": false,
"javaType": "int", "prefix": "${", "deprecated": false, "deprecationNote": "",
"autowired": false, "secret": false, "description": "The number of attachments.
Is 0 if there are no attachments.", "ognl": false, "suffix": "}" },
+ "attachmentContentAsText": { "index": 75, "kind": "function",
"displayName": "Attachment Content As Text", "group": "function", "label":
"function", "required": false, "javaType": "String", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The content of the attachment as text (ie String).",
"ognl": false, "suffix": "}" },
+ "attachmentContent": { "index": 76, "kind": "function", "displayName":
"Attachment Content", "group": "function", "label": "function", "required":
false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
content of the attachment", "ognl": false, "suffix": "}" },
+ "attachmentContentAs(type)": { "index": 77, "kind": "function",
"displayName": "Attachment Content As", "group": "function", "label":
"function", "required": false, "javaType": "Object", "prefix": "${",
"deprecated": false, "deprecationNote": "", "autowired": false, "secret":
false, "description": "The content of the attachment, converted to the given
type.", "ognl": false, "suffix": "}" },
+ "attachmentHeader(key,name)": { "index": 78, "kind": "function",
"displayName": "Attachment Header", "group": "function", "label": "function",
"required": false, "javaType": "String", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
attachment header with the given name.", "ognl": false, "suffix": "}" },
+ "attachmentHeader(key,name,type)": { "index": 79, "kind": "function",
"displayName": "Attachment Header", "group": "function", "label": "function",
"required": false, "javaType": "Object", "prefix": "${", "deprecated": false,
"deprecationNote": "", "autowired": false, "secret": false, "description": "The
attachment header with the given name, converted to the given type.", "ognl":
false, "suffix": "}" },
+ "attachment(key)": { "index": 80, "kind": "function", "displayName":
"Attachment", "group": "function", "label": "function", "required": false,
"javaType": "jakarta.activation.DataHandler", "prefix": "${", "deprecated":
false, "deprecationNote": "", "autowired": false, "secret": false,
"description": "The DataHandler for the given attachment.", "ognl": true,
"suffix": "}" },
+ "base64Encode(exp)": { "index": 81, "kind": "function", "displayName":
"Base64 Encode", "group": "function", "label": "function", "required": false,
"javaType": "String", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Base64 encodes the
message body (or expression)", "ognl": false, "suffix": "}" },
+ "base64Decode(exp)": { "index": 82, "kind": "function", "displayName":
"Base64 Decode", "group": "function", "label": "function", "required": false,
"javaType": "byte[]", "prefix": "${", "deprecated": false, "deprecationNote":
"", "autowired": false, "secret": false, "description": "Base64 decodes the
message body (or expression)", "ognl": false, "suffix": "}" }
}
}
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 1e93d3a42219..da43bf51b13c 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
@@ -196,6 +196,7 @@ NOTE: Some functions take 1 or more arguments enclosed in
parentheses, and argum
|`normalizeWhitespace(exp)` | `String` | Normalizes the whitespace in the
expression by cleaning up excess whitespaces.
|`null` | `null` | Returns a `null` value.
|`originalBody` | `Object` | The original incoming message body (only
available if Camel has been configured with `allowUseOriginalMessage=true`).
+|`pad(exp,width,separator)` | `String` | 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.
|`pretty(exp)` | `String` | Converts the expression to a `String`, and
attempts to pretty print (if JSon or XML) otherwise return the value as-is.
|`prettyBody` | `String` | Converts the message body to a `String`, and
attempts to pretty print (if JSon or XML) otherwise return the value as-is.
|`properties:key:default` | `String` | 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.
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 850d72d40480..55f2a395f597 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
@@ -606,6 +606,24 @@ public final class CSimpleHelper {
return MessageHelper.dumpMessageHistoryStacktrace(exchange, formatter,
detailed);
}
+ public static String pad(Exchange exchange, Object value, Object length,
String separator) {
+ String answer =
exchange.getContext().getTypeConverter().tryConvertTo(String.class, exchange,
value);
+ int width =
exchange.getContext().getTypeConverter().tryConvertTo(int.class, exchange,
length);
+ if (separator == null || separator.isEmpty()) {
+ separator = " ";
+ }
+
+ int max = Math.abs(width);
+ while (max > answer.length()) {
+ if (width > 0) {
+ answer = answer + separator;
+ } else {
+ answer = separator + answer;
+ }
+ }
+ return answer;
+ }
+
public static String sys(String name) {
return System.getProperty(name);
}
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 569ac086a221..a5986e630bba 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
@@ -211,6 +211,10 @@ public final class SimpleConstants {
@Metadata(description = "The trim function trims the message body (or
expression) by removing all leading and trailing white spaces.",
label = "function", javaType = "String", displayName = "Trim")
public static final String TRIM = "trim(exp)";
+ @Metadata(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.",
+ label = "function", javaType = "String", displayName = "Pad
String")
+ public static final String PAD = "pad(exp,width,separator)";
@Metadata(description = "The payload length (number of bytes) of the
message body (or expression).",
label = "function", javaType = "int", displayName = "Length")
public static final String LENGTH = "length(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 616d3ef42ee8..e756cd2a0696 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
@@ -328,6 +328,49 @@ public final class SimpleExpressionBuilder {
};
}
+ /**
+ * Pad the expression
+ */
+ public static Expression padExpression(final String expression, final
String length, final String separator) {
+ return new ExpressionAdapter() {
+ private Expression exp;
+ private Expression len;
+
+ @Override
+ public void init(CamelContext context) {
+ exp =
context.resolveLanguage("simple").createExpression(expression);
+ exp.init(context);
+ len =
context.resolveLanguage("simple").createExpression(length);
+ len.init(context);
+ }
+
+ @Override
+ public Object evaluate(Exchange exchange) {
+ String answer = exp.evaluate(exchange, String.class);
+ Integer width = len.evaluate(exchange, Integer.class);
+ String sep = separator;
+ if (sep == null || sep.isEmpty()) {
+ sep = " ";
+ }
+
+ int max = Math.abs(width);
+ while (max > answer.length()) {
+ if (width > 0) {
+ answer = answer + sep;
+ } else {
+ answer = sep + answer;
+ }
+ }
+ return answer;
+ }
+
+ @Override
+ public String toString() {
+ return "pad(" + exp + "," + length + ")";
+ }
+ };
+ }
+
/**
* String concats the two expressions.
*/
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 c197cadf638c..1fe12a9bbee6 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
@@ -1050,6 +1050,32 @@ public class SimpleFunctionExpression extends
LiteralExpression {
return SimpleExpressionBuilder.capitalizeExpression(exp);
}
+ // pad function
+ remainder = ifStartsWithReturnRemainder("pad(", function);
+ if (remainder != null) {
+ String exp;
+ String len;
+ String separator = null;
+ String values = StringHelper.beforeLast(remainder, ")");
+ if (values == null || ObjectHelper.isEmpty(values)) {
+ throw new SimpleParserException(
+ "Valid syntax: ${pad(len)} or ${pad(exp,len)} or
${pad(exp,len,separator)} was: " + function,
+ token.getIndex());
+ }
+ String[] tokens = StringQuoteHelper.splitSafeQuote(values, ',',
true, true);
+ if (tokens.length < 2 || tokens.length > 3) {
+ throw new SimpleParserException(
+ "Valid syntax: ${pad(exp,len)} or
${pad(exp,len,separator)} was: " + function,
+ token.getIndex());
+ }
+ exp = StringHelper.removeQuotes(tokens[0]);
+ len = StringHelper.removeQuotes(tokens[1]);
+ if (tokens.length == 3) {
+ separator = StringHelper.removeQuotes(tokens[2]);
+ }
+ return SimpleExpressionBuilder.padExpression(exp, len, separator);
+ }
+
// concat function
remainder = ifStartsWithReturnRemainder("concat(", function);
if (remainder != null) {
@@ -2466,6 +2492,43 @@ public class SimpleFunctionExpression extends
LiteralExpression {
return "skip(exchange, " + values.trim() + ")";
}
+ // pad function
+ remainder = ifStartsWithReturnRemainder("pad(", function);
+ if (remainder != null) {
+ String exp;
+ String len;
+ String separator = null;
+ String values = StringHelper.beforeLast(remainder, ")");
+ if (values == null || ObjectHelper.isEmpty(values)) {
+ throw new SimpleParserException(
+ "Valid syntax: ${pad(len)} or ${pad(exp,len)} or
${pad(exp,len,separator)} was: " + function,
+ token.getIndex());
+ }
+ String[] tokens = codeSplitSafe(values, ',', true, true);
+ if (tokens.length < 2 || tokens.length > 3) {
+ throw new SimpleParserException(
+ "Valid syntax: ${pad(exp,len)} or
${pad(exp,len,separator)} was: " + function,
+ token.getIndex());
+ }
+ // single quotes should be double quotes
+ for (int i = 0; i < tokens.length; i++) {
+ String s = tokens[i];
+ if (StringHelper.isSingleQuoted(s)) {
+ s = StringHelper.removeLeadingAndEndingQuotes(s);
+ s = StringQuoteHelper.doubleQuote(s);
+ tokens[i] = s;
+ }
+ }
+ if (tokens.length == 3) {
+ separator = tokens[2];
+ }
+ // separator must be in double quotes
+ separator = StringHelper.removeLeadingAndEndingQuotes(separator);
+ separator = separator != null ?
StringQuoteHelper.doubleQuote(separator) : "null";
+ return "Object value = " + tokens[0] + ";\n " + "Object
width = " + tokens[1] + ";\n String separator = " + separator
+ + ";\n return pad(exchange, value, width,
separator);";
+ }
+
// trim function
remainder = ifStartsWithReturnRemainder("trim(", function);
if (remainder != null) {
diff --git
a/core/camel-core/src/test/java/org/apache/camel/language/simple/SimpleTest.java
b/core/camel-core/src/test/java/org/apache/camel/language/simple/SimpleTest.java
index a43191c1c61d..0067daa2b7c2 100644
---
a/core/camel-core/src/test/java/org/apache/camel/language/simple/SimpleTest.java
+++
b/core/camel-core/src/test/java/org/apache/camel/language/simple/SimpleTest.java
@@ -2645,6 +2645,32 @@ public class SimpleTest extends LanguageTestSupport {
assertEquals("Carlsberg Is A Beer", s);
}
+ @Test
+ public void testPad() {
+ exchange.getMessage().setBody("foo");
+
+ Expression expression =
context.resolveLanguage("simple").createExpression("${pad(${body},5)}");
+ String s = expression.evaluate(exchange, String.class);
+ assertEquals("foo ", s);
+
+ expression =
context.resolveLanguage("simple").createExpression("${pad(${body},-5)}");
+ s = expression.evaluate(exchange, String.class);
+ assertEquals(" foo", s);
+
+ expression =
context.resolveLanguage("simple").createExpression("${pad(${body},5,#)}");
+ s = expression.evaluate(exchange, String.class);
+ assertEquals("foo##", s);
+
+ expression =
context.resolveLanguage("simple").createExpression("${pad(${body},-5,#)}");
+ s = expression.evaluate(exchange, String.class);
+ assertEquals("##foo", s);
+
+ exchange.getMessage().setBody("Hello World");
+ expression =
context.resolveLanguage("simple").createExpression("${pad(${body},5)}");
+ s = expression.evaluate(exchange, String.class);
+ assertEquals("Hello World", s);
+ }
+
@Test
public void testTrim() {
exchange.getMessage().setBody(" Hello World ");
