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Ensure methods declared in Object can be invoked on a JDK proxy in SpEL

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This commit ensures that methods declared in java.lang.Object (such as
toString() can be invoked on a JDK proxy instance in a SpEL expression.

Closes gh-25316
This commit is contained in:
mrcoffee77
2020-06-25 11:02:17 +02:00
committed by Sam Brannen
parent 30601a5014
commit 36682b7ad2
2 changed files with 25 additions and 12 deletions
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16
spring-expression/src/main/java/org/springframework/expression/spel/support/ReflectiveMethodResolver.java
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@@ -19,13 +19,7 @@ package org.springframework.expression.spel.support;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.Proxy;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.*;
import org.springframework.core.BridgeMethodResolver;
import org.springframework.core.MethodParameter;
@@ -266,7 +260,13 @@ public class ReflectiveMethodResolver implements MethodResolver {
* @since 3.1.1
*/
protected Method[] getMethods(Class<?> type) {
return type.getMethods();
Set<Method> methods=new HashSet<>();
methods.addAll(Arrays.asList(type.getMethods()));
//Add all methods of Object to have methods like toString on Proxy-Objects
methods.addAll(Arrays.asList(Object.class.getMethods()));
Method[] methods1 = methods.toArray(new Method[0]);
return methods1;
}
/**