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SpEL support for methods and properties on class …

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Update the ReflectiveMethodResolver and ReflectivePropertyAccessor
to allow methods and properties of java.lang.Class to be resolved
when the target object is a class.

Issue: SPR-9017
This commit is contained in:
Phillip Webb
2012-09-06 20:06:35 -07:00
parent 98808347ca
commit d28592a6c6
4 changed files with 67 additions and 14 deletions
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10
spring-expression/src/test/java/org/springframework/expression/spel/MethodInvocationTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2009 the original author or authors.
* Copyright 2002-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -16,6 +16,8 @@
package org.springframework.expression.spel;
import static org.junit.Assert.*;
import java.lang.annotation.Annotation;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
@@ -361,4 +363,10 @@ public class MethodInvocationTests extends ExpressionTestCase {
evaluateAndCheckError("null.toString()",SpelMessage.METHOD_CALL_ON_NULL_OBJECT_NOT_ALLOWED);
}
@Test
public void testMethodOfClass() throws Exception {
Expression expression = parser.parseExpression("getName()");
Object value = expression.getValue(new StandardEvaluationContext(String.class));
assertEquals(value, "java.lang.String");
}
}

11
spring-expression/src/test/java/org/springframework/expression/spel/PropertyAccessTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2009 the original author or authors.
* Copyright 2002-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -16,6 +16,8 @@
package org.springframework.expression.spel;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.List;
@@ -155,6 +157,13 @@ public class PropertyAccessTests extends ExpressionTestCase {
Assert.assertEquals(2,ctx.getPropertyAccessors().size());
}
@Test
public void testAccessingPropertyOfClass() throws Exception {
Expression expression = parser.parseExpression("name");
Object value = expression.getValue(new StandardEvaluationContext(String.class));
assertEquals(value, "java.lang.String");
}
// This can resolve the property 'flibbles' on any String (very useful...)
private static class StringyPropertyAccessor implements PropertyAccessor {