ClientWithResponseHandler.java Source code

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Here is the source code for ClientWithResponseHandler.java

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/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

import org.apache.http.Header;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;

/**
 * This example demonstrates the use of the {@link ResponseHandler} to simplify
 * the process of processing the HTTP response and releasing associated resources.
 */
public class ClientWithResponseHandler {

    public final static void main(String[] args) throws Exception {

        /* HttpClient httpclient = new DefaultHttpClient();
         try {
        HttpGet httpget = new HttpGet("https://www.google.com/m8/feeds/contacts/default/full/");
            
        httpget.addHeader("Authorization", "OAuth ya29.AHES6ZRPmOdPH5NegD3vQByXUe_1L2ikXZEbECGPEkwXiDxzPLg9oi8");
        httpget.addHeader("Gdata-version", "3.0");
            
            
        System.out.println("executing request " + httpget.getURI());
            
        Header[] headers = httpget.getAllHeaders();
        for(Header temp: headers){
           System.out.println(temp.getName());
        }
        // Create a response handler
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        String responseBody = httpclient.execute(httpget, responseHandler);
        System.out.println("----------------------------------------");
        System.out.println(responseBody);
        System.out.println("----------------------------------------");
            
         } finally {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
         }*/
        ClientWithResponseHandler summa = new ClientWithResponseHandler();
        summa.sub();

    }

    public void sub() throws Exception {
        HttpClient httpclient = new DefaultHttpClient();
        try {
            HttpGet httpget = new HttpGet("https://www.google.com/m8/feeds/contacts/default/full/");

            httpget.addHeader("Authorization",
                    "OAuth ya29.AHES6ZRPmOdPH5NegD3vQByXUe_1L2ikXZEbECGPEkwXiDxzPLg9oi8");
            httpget.addHeader("Gdata-version", "3.0");

            System.out.println("executing request " + httpget.getURI());

            Header[] headers = httpget.getAllHeaders();
            for (Header temp : headers) {
                System.out.println(temp.getName());
            }
            // Create a response handler
            ResponseHandler<String> responseHandler = new BasicResponseHandler();
            String responseBody = httpclient.execute(httpget, responseHandler);
            System.out.println("----------------------------------------");
            System.out.println(responseBody);
            System.out.println("----------------------------------------");

        } finally {
            // When HttpClient instance is no longer needed,
            // shut down the connection manager to ensure
            // immediate deallocation of all system resources
            httpclient.getConnectionManager().shutdown();
        }
    }

}