org.sample.interceptor.MyClientWriterInterceptor.java Source code

Introduction

Here is the source code for org.sample.interceptor.MyClientWriterInterceptor.java

Source

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package org.sample.interceptor;

import java.io.ByteArrayOutputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.ext.WriterInterceptor;
import javax.ws.rs.ext.WriterInterceptorContext;

/**
 * @author Arun Gupta
 */
public class MyClientWriterInterceptor implements WriterInterceptor {

    @Override
    public void aroundWriteTo(WriterInterceptorContext wic) throws IOException, WebApplicationException {

        System.out.println("MyClientWriterInterceptor");
        wic.setOutputStream(new FilterOutputStream(wic.getOutputStream()) {

            final ByteArrayOutputStream baos = new ByteArrayOutputStream();

            @Override
            public void write(int b) throws IOException {
                baos.write(b);
                super.write(b);
            }

            @Override
            public void close() throws IOException {
                System.out.println("MyClientWriterInterceptor --> " + baos.toString());
                super.close();
            }
        });

        //        wic.setOutputStream(new FilterOutputStream(wic.getOutputStream()) {
        //            
        //            @Override
        //            public void write(int b) throws IOException {
        //                System.out.println("**** "  + (char)b);
        //                super.write(b);
        //            }
        //            
        //        });

        wic.proceed();
    }

}