net.sf.dvstar.transmission.protocol.TestConnection.java Source code

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Here is the source code for net.sf.dvstar.transmission.protocol.TestConnection.java

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/*
 * transmission-remote-java remote control for transmission daemon
 *
 * Copyright (C) 2009  dvstar
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.sf.dvstar.transmission.protocol;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.params.ConnRoutePNames;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.util.EntityUtils;

/**
 *
 * @author dstarzhynskyi
 */
public class TestConnection {
    public static void testConnection() throws Exception {
        // make sure to use a proxy that supports CONNECT
        HttpHost target = new HttpHost("195.74.67.237", 80, "http");
        HttpHost proxy = new HttpHost("192.168.4.7", 3128, "http");

        // general setup
        SchemeRegistry supportedSchemes = new SchemeRegistry();

        // Register the "http" and "https" protocol schemes, they are
        // required by the default operator to look up socket factories.
        supportedSchemes.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
        supportedSchemes.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443));

        // prepare parameters
        HttpParams params = new BasicHttpParams();
        HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
        HttpProtocolParams.setContentCharset(params, "UTF-8");
        HttpProtocolParams.setUseExpectContinue(params, true);

        ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, supportedSchemes);

        DefaultHttpClient httpclient = new DefaultHttpClient(ccm, params);

        httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);

        HttpGet req = new HttpGet("/");

        System.out.println("executing request to " + target + " via " + proxy);
        HttpResponse rsp = httpclient.execute(target, req);
        HttpEntity entity = rsp.getEntity();

        System.out.println("----------------------------------------");
        System.out.println(rsp.getStatusLine());
        Header[] headers = rsp.getAllHeaders();
        for (int i = 0; i < headers.length; i++) {
            System.out.println(headers[i]);
        }
        System.out.println("----------------------------------------");

        if (entity != null) {
            System.out.println(EntityUtils.toString(entity));
        }

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

    public static void main(String[] args) throws Exception {
        testConnection();
    }

}