ExampleP2PHttpClient.java Source code

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Here is the source code for ExampleP2PHttpClient.java

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/*
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2002-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "HttpClient", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * 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/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */

import java.io.*;
import java.net.*;

import org.p2psockets.*;

import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.*;
import org.apache.commons.httpclient.protocol.*;

/**
 *
 * This is a simple text mode application that demonstrates
 * how to use the Jakarta HttpClient API.  All requests are
 * made over Jxta rather than through normal IP sockets.
 */
public class ExampleP2PHttpClient {

    public static void main(String[] args) {
        // initialize JXTA
        try {
            // sign in and initialize the JXTA network; profile this peer and create it
            // if it doesn't exist
            P2PNetwork.signin("clientpeer", "clientpeerpassword", "TestNetwork", true);
        } catch (Exception e) {
            e.printStackTrace();
            System.exit(1);
        }

        // register the P2P socket protocol factory
        Protocol jxtaHttp = new Protocol("p2phttp", new P2PProtocolSocketFactory(), 80);
        Protocol.registerProtocol("p2phttp", jxtaHttp);

        //create a singular HttpClient object
        HttpClient client = new HttpClient();

        //establish a connection within 50 seconds
        client.setConnectionTimeout(50000);

        String url = System.getProperty("url");
        if (url == null || url.equals("")) {
            System.out.println("You must provide a URL to access.  For example:");
            System.out.println("ant example-webclient-run -D--url=p2phttp://www.somedomain.foo");

            System.exit(1);
        }
        System.out.println("Connecting to " + url + "...");

        HttpMethod method = null;

        //create a method object
        method = new GetMethod(url);
        method.setFollowRedirects(true);
        method.setStrictMode(false);
        //} catch (MalformedURLException murle) {
        //    System.out.println("<url> argument '" + url
        //            + "' is not a valid URL");
        //    System.exit(-2);
        //}

        //execute the method
        String responseBody = null;
        try {
            client.executeMethod(method);
            responseBody = method.getResponseBodyAsString();
        } catch (HttpException he) {
            System.err.println("Http error connecting to '" + url + "'");
            System.err.println(he.getMessage());
            System.exit(-4);
        } catch (IOException ioe) {
            System.err.println("Unable to connect to '" + url + "'");
            System.exit(-3);
        }

        //write out the request headers
        System.out.println("*** Request ***");
        System.out.println("Request Path: " + method.getPath());
        System.out.println("Request Query: " + method.getQueryString());
        Header[] requestHeaders = method.getRequestHeaders();
        for (int i = 0; i < requestHeaders.length; i++) {
            System.out.print(requestHeaders[i]);
        }

        //write out the response headers
        System.out.println("*** Response ***");
        System.out.println("Status Line: " + method.getStatusLine());
        Header[] responseHeaders = method.getResponseHeaders();
        for (int i = 0; i < responseHeaders.length; i++) {
            System.out.print(responseHeaders[i]);
        }

        //write out the response body
        System.out.println("*** Response Body ***");
        System.out.println(responseBody);

        //clean up the connection resources
        method.releaseConnection();
        method.recycle();

        System.exit(0);
    }
}