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Introduced SpringNamingPolicy for CGLIB

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Issue: SPR-11398
This commit is contained in:
Juergen Hoeller
2014-02-06 20:25:11 +01:00
parent 522d136bbd
commit 8c4e372558
6 changed files with 108 additions and 111 deletions
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39
spring-core/src/main/java/org/springframework/cglib/core/SpringNamingPolicy.java Normal file
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/*
* Copyright 2002-2014 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cglib.core;
/**
* Custom extension of CGLIB's {@link DefaultNamingPolicy}, modifying
* the tag in generated class names from "ByCGLIB" to "BySpringCGLIB".
*
* <p>This is primarily designed to avoid clashes between a regular CGLIB
* version (used by some other library) and Spring's embedded variant,
* in case the same class happens to get proxied for different purposes.
*
* @author Juergen Hoeller
* @since 3.2.8
*/
public class SpringNamingPolicy extends DefaultNamingPolicy {
public static final SpringNamingPolicy INSTANCE = new SpringNamingPolicy();
@Override
protected String getTag() {
return "BySpringCGLIB";
}
}

54
spring-core/src/main/java/org/springframework/cglib/transform/impl/MemorySafeUndeclaredThrowableStrategy.java
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/*
* Copyright 2002-2013 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cglib.transform.impl;
import org.springframework.cglib.core.ClassGenerator;
import org.springframework.cglib.core.DefaultGeneratorStrategy;
import org.springframework.cglib.core.TypeUtils;
import org.springframework.cglib.transform.ClassTransformer;
import org.springframework.cglib.transform.MethodFilter;
import org.springframework.cglib.transform.MethodFilterTransformer;
import org.springframework.cglib.transform.TransformingClassGenerator;
/**
* Memory safe variant of {@link UndeclaredThrowableStrategy} ported from the latest
* as yet unreleased cglib code.
*/
public class MemorySafeUndeclaredThrowableStrategy extends DefaultGeneratorStrategy {
private static final MethodFilter TRANSFORM_FILTER = new MethodFilter() {
public boolean accept(int access, String name, String desc, String signature,
String[] exceptions) {
return !TypeUtils.isPrivate(access) && name.indexOf('$') < 0;
}
};
private Class<?> wrapper;
public MemorySafeUndeclaredThrowableStrategy(Class<?> wrapper) {
this.wrapper = wrapper;
}
protected ClassGenerator transform(ClassGenerator cg) throws Exception {
ClassTransformer tr = new UndeclaredThrowableTransformer(wrapper);
tr = new MethodFilterTransformer(TRANSFORM_FILTER, tr);
return new TransformingClassGenerator(cg, tr);
}
}