org.jdal.aop.SerializableIntroductionInterceptor.java Source code

Introduction

Here is the source code for org.jdal.aop.SerializableIntroductionInterceptor.java

Source

/*
 * Copyright 2009-2014 Jose Luis Martin.
 *
 * 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.jdal.aop;

import org.aopalliance.intercept.MethodInvocation;
import org.springframework.aop.IntroductionInterceptor;
import org.springframework.aop.support.IntroductionInfoSupport;

/**
 * Introducction interceptor for serializable objects.
 * 
 * @author Jose Luis Martin
 * @since 2.0
 */
public class SerializableIntroductionInterceptor extends IntroductionInfoSupport
        implements IntroductionInterceptor {

    private SerializableReference reference;

    public SerializableIntroductionInterceptor() {
        this(new SerializableReference());

    }

    public SerializableIntroductionInterceptor(SerializableReference reference) {
        this.reference = reference;
        this.publishedInterfaces.add(SerializableObject.class);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Object invoke(MethodInvocation mi) throws Throwable {
        if (isMethodOnIntroducedInterface(mi)) {
            reference.setTarget(mi.getThis());
            reference.serialize();
            return reference;
        }

        return mi.proceed();
    }

    public SerializableReference getReference() {
        return reference;
    }

    public void setReference(SerializableReference reference) {
        this.reference = reference;
    }

    @Override
    public int hashCode() {
        return SerializableIntroductionInterceptor.class.hashCode() * 31;
    }

    @Override
    public boolean equals(Object obj) {
        return obj instanceof SerializableIntroductionInterceptor;
    }

}