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markt-asf pushed a commit to branch 11.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/11.0.x by this push:
new 37ddb0d069 Review "Convert numeric and character values in the JMX
proxy ..."
37ddb0d069 is described below
commit 37ddb0d0697abd707d39f4969ddb6b3450409ec4
Author: Mark Thomas <[email protected]>
AuthorDate: Tue Nov 3 18:49:08 2026 +0000
Review "Convert numeric and character values in the JMX proxy ..."
Throw NumberFormatException consistently for invalid input
Throw rather than silently fix invalid char values.
---
.../tomcat/util/modeler/LocalStrings.properties | 2 ++
java/org/apache/tomcat/util/modeler/Registry.java | 26 +++++++++++++++++-----
.../util/modeler/TestRegistryConvertValue.java | 24 +++++++++-----------
3 files changed, 33 insertions(+), 19 deletions(-)
diff --git a/java/org/apache/tomcat/util/modeler/LocalStrings.properties
b/java/org/apache/tomcat/util/modeler/LocalStrings.properties
index fe3238e3e9..ed806f5a5b 100644
--- a/java/org/apache/tomcat/util/modeler/LocalStrings.properties
+++ b/java/org/apache/tomcat/util/modeler/LocalStrings.properties
@@ -47,12 +47,14 @@ registry.createdServer=Created MBeanServer
registry.existingServer=Using existing MBeanServer
registry.initError=Error initializing [{0}]
registry.invalidArguments=Invalid arguments, bean and beanClass cannot both be
null
+registry.invalidCharValue=The value [{0}] is not a single character
registry.invalidSource=Invalid source specified, must be either URL, File,
Class or InputStream
registry.loadError=Error loading descriptors from [{0}]
registry.noDisable=The MBean registry cannot be disabled because it has
already been initialised
registry.noMetadata=Cannot find metadata for object [{0}]
registry.noTypeMetadata=Cannot find metadata for type [{0}]
registry.nullBean=Cannot register null bean for [{0}]
+registry.nullValue=Cannot convert a null value to type [{0}]
registry.objectNameCreateError=Error creating object name
registry.registerError=Error registering MBean
registry.unregisterError=Error unregistering MBean
diff --git a/java/org/apache/tomcat/util/modeler/Registry.java
b/java/org/apache/tomcat/util/modeler/Registry.java
index 41152a3993..6a47fd6bfc 100644
--- a/java/org/apache/tomcat/util/modeler/Registry.java
+++ b/java/org/apache/tomcat/util/modeler/Registry.java
@@ -536,6 +536,8 @@ public class Registry implements RegistryMBean,
MBeanRegistration {
* @param value String value to be converted
*
* @return Converted value
+ *
+ * @throws NumberFormatException If the value is null or is not valid for
a numeric or character type
*/
public Object convertValue(String type, String value) {
Object objValue = value;
@@ -555,22 +557,36 @@ public class Registry implements RegistryMBean,
MBeanRegistration {
} else if ("java.lang.Boolean".equals(type) || "boolean".equals(type))
{
objValue = Boolean.valueOf(value);
} else if ("java.lang.Double".equals(type) || "double".equals(type)) {
- objValue = Double.valueOf(value);
+ objValue = Double.valueOf(requireValue(type, value));
} else if ("java.lang.Float".equals(type) || "float".equals(type)) {
- objValue = Float.valueOf(value);
+ objValue = Float.valueOf(requireValue(type, value));
} else if ("java.lang.Short".equals(type) || "short".equals(type)) {
objValue = Short.valueOf(value);
} else if ("java.lang.Byte".equals(type) || "byte".equals(type)) {
objValue = Byte.valueOf(value);
- } else if (("java.lang.Character".equals(type) || "char".equals(type))
&&
- value != null && !value.isEmpty()) {
- // A null or empty string cannot be converted to a character
+ } else if ("java.lang.Character".equals(type) || "char".equals(type)) {
+ requireValue(type, value);
+ if (value.length() != 1) {
+ throw new
NumberFormatException(sm.getString("registry.invalidCharValue", value));
+ }
objValue = Character.valueOf(value.charAt(0));
}
return objValue;
}
+ /*
+ * Double.valueOf() and Float.valueOf() throw a NullPointerException for a
null value. Report it the same way as
+ * the integral types do.
+ */
+ private String requireValue(String type, String value) {
+ if (value == null) {
+ throw new NumberFormatException(sm.getString("registry.nullValue",
type));
+ }
+ return value;
+ }
+
+
/**
* Load descriptors.
*
diff --git a/test/org/apache/tomcat/util/modeler/TestRegistryConvertValue.java
b/test/org/apache/tomcat/util/modeler/TestRegistryConvertValue.java
index bf3ffce1fb..03b7ac2e50 100644
--- a/test/org/apache/tomcat/util/modeler/TestRegistryConvertValue.java
+++ b/test/org/apache/tomcat/util/modeler/TestRegistryConvertValue.java
@@ -62,23 +62,19 @@ public class TestRegistryConvertValue {
}
@Test
- public void testConvertEmptyStringToCharacterIsNotConverted() {
- // An empty string has no character to convert to
- Object result = registry.convertValue("char", "");
- Assert.assertEquals("", result);
+ public void testConvertCharacterTypeRejectsOtherLengths() {
+ // Exactly one character is required, anything else is an error rather
than being truncated or ignored
+ Assert.assertThrows(NumberFormatException.class, () ->
registry.convertValue("char", ""));
+ Assert.assertThrows(NumberFormatException.class, () ->
registry.convertValue("char", "xy"));
+ Assert.assertThrows(NumberFormatException.class, () ->
registry.convertValue("java.lang.Character", "xy"));
}
@Test
- public void testConvertCharacterTypeTruncatesLongerString() {
- // The first character is the only one that can be converted
- Assert.assertEquals(Character.valueOf('x'),
registry.convertValue("char", "xy"));
- }
-
- @Test
- public void testConvertNullValueIsNotConvertedForCharacter() {
- // Only the character type leaves a null value unconverted rather than
- // throwing, matching the historical behavior for this branch
- Assert.assertNull(registry.convertValue("char", null));
+ public void testConvertNullValueThrowsForNumericAndCharacterTypes() {
+ for (String type : new String[] { "int", "long", "short", "byte",
"double", "float", "char",
+ "java.lang.Double", "java.lang.Float", "java.lang.Character"
}) {
+ Assert.assertThrows(type, NumberFormatException.class, () ->
registry.convertValue(type, null));
+ }
}
@Test
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