net.paslavsky.springrest.SpringRestClientToStringAdvisor.java Source code

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Here is the source code for net.paslavsky.springrest.SpringRestClientToStringAdvisor.java

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/*
 * Copyright (c) 2014 Andrey Paslavsky.
 *
 * 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 net.paslavsky.springrest;

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.aop.framework.ReflectiveMethodInvocation;
import org.springframework.aop.support.StaticMethodMatcherPointcutAdvisor;
import org.springframework.util.ObjectUtils;
import org.springframework.util.ReflectionUtils;

import java.lang.reflect.Method;

/**
* TODO Class description
*
* @author Andrey Paslavsky
* @version 1.0
*/
class SpringRestClientToStringAdvisor extends StaticMethodMatcherPointcutAdvisor {

    public SpringRestClientToStringAdvisor(Class clientClass) {
        setAdvice(new ToStringMethodInterceptor(clientClass));
    }

    @Override
    public boolean matches(Method method, Class<?> targetClass) {
        return ReflectionUtils.isToStringMethod(method);
    }

    static class ToStringMethodInterceptor implements MethodInterceptor {
        private final Class clientClass;

        ToStringMethodInterceptor(Class clientClass) {
            this.clientClass = clientClass;
        }

        @Override
        public Object invoke(MethodInvocation invocation) throws Throwable {
            Object proxy = ((ReflectiveMethodInvocation) invocation).getProxy();
            return clientClass.getName() + "@" + ObjectUtils.getIdentityHexString(proxy);
        }
    }
}