Android Open Source - HockeySDK-Android Connection Manager

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License

The source code is released under:
Apache License
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Java Source Code

package net.hockeyapp.android.utils;
// w w w .  j ava 2  s  .c o  m
import org.apache.http.HttpVersion;
import org.apache.http.client.HttpClient;
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.CoreProtocolPNames;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;

/**
 * <h3>Description</h3>
 * 
 * {@link HttpClient} manager class
 * 
 * <h3>License</h3>
 * 
 * <pre>
 * Copyright (c) 2011-2014 Bit Stadium GmbH
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 * </pre>
 * 
 * @author Bogdan Nistor
 */
public class ConnectionManager {
  private HttpClient httpClient;
  
  /** Private constructor prevents instantiation from other classes */
  private ConnectionManager() {
    /** Sets up parameters */
    HttpParams params = new BasicHttpParams();
    HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
    HttpProtocolParams.setContentCharset(params, "utf-8");
    params.setBooleanParameter(CoreProtocolPNames.USE_EXPECT_CONTINUE, false);
    params.setParameter(CoreProtocolPNames.USER_AGENT, "HockeySDK/Android");
  
    //registers schemes for both http and https
    SchemeRegistry registry = new SchemeRegistry();
    registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    final SSLSocketFactory sslSocketFactory = SSLSocketFactory.getSocketFactory();
    sslSocketFactory.setHostnameVerifier(SSLSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
    registry.register(new Scheme("https", sslSocketFactory, 443));
  
    ThreadSafeClientConnManager manager = new ThreadSafeClientConnManager(params, registry);
    httpClient = new DefaultHttpClient(manager, params);
  }

  /**
  * ConnectionManagerHolder is loaded on the first execution of ConnectionManager.getInstance() 
  * or the first access to ConnectionManagerHolder.INSTANCE, not before.
  */
  private static class ConnectionManagerHolder { 
    public static final ConnectionManager INSTANCE = new ConnectionManager();
  }

  public static ConnectionManager getInstance() {
    return ConnectionManagerHolder.INSTANCE;
  }

  public HttpClient getHttpClient() {
    return httpClient;
  }
}
Java Source Code List
