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/*
 *  Copyright (c) xlightweb.org, 2008 - 2010. All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Please refer to the LGPL license at: http://www.gnu.org/copyleft/lesser.txt
 * The latest copy of this software may be found on http://www.xlightweb.org/
 */
package org.xlightweb.client;


import java.io.IOException;



import java.net.URI;

import javax.net.ssl.SSLContext;


import org.xlightweb.IHttpRequestHandler;
import org.xlightweb.IWebSocketConnection;
import org.xlightweb.IWebSocketHandler;
import org.xlightweb.WebSocketConnection;



/**
 * Higher level client-side abstraction of the client side endpoint. Internally, the HttpClient uses a pool 
 * of {@link HttpClientConnection} to perform the requests.  Example:
 * 
 *  *   HttpClient httpClient = new HttpClient();
 *   
 *   // set some properties
 *   httpClient.setFollowsRedirect(true);  
 *   httpClient.setAutoHandleCookies(false);
 *   // ...
 *   
 *   // perform a synchronous call 
 *   IHttpResponse response = httpClient.call(new GetRequest("http://www.gmx.com/index.html"));
 *   System.out.println(response.getStatus());
 *   
 *   BlockingBodyDataSource bodyChannel = response.getBlockingBody();
 *   System.out.println(bodyChannel.readString());
 *   
 *   
 *   // perform an asynchronous request
 *   MyResponseHandler respHdl = new MyResponseHandler();
 *   httpClient.send(new HttpRequestHeader("GET", "http://www.gmx.com/index.html"), respHdl);
 *   
 *   //..
 *   
 *   httpClient.close(); 
 *   
 *
 * The HttpClient is thread-safe
 *
 * @author [email protected]
 */
public class XHttpClient extends HttpClient {
    
    
    /**
     * constructor 
     * 
     * @param interceptors  interceptor
     */
    public XHttpClient(IHttpRequestHandler... interceptors) {
        super(interceptors);
    }
    
    
    
    /**
     * constructor 
     * 
     * @param sslCtx   the ssl context to use
     */
    public XHttpClient(SSLContext sslCtx) {
        super(sslCtx);
    }

    
    /**
     * constructor 
     * 
     * @param sslCtx        the ssl context to use
     * @param interceptors  the interceptors
     */
    public XHttpClient(SSLContext sslCtx, IHttpRequestHandler... interceptors) {
        super(sslCtx, interceptors);
    }

    

    public IWebSocketConnection openWebSocketConnection(String uriString) throws IOException {
        return openWebSocketConnection(uriString, (String) null);
    }

    
    public IWebSocketConnection openWebSocketConnection(String uriString, String protocol) throws IOException {
        return openWebSocketConnection(uriString, protocol, null);
    }

    
    public IWebSocketConnection openWebSocketConnection(String uriString, IWebSocketHandler webSocketHandler) throws IOException {
        return openWebSocketConnection(uriString, null, webSocketHandler);
    }
    
    
    public IWebSocketConnection openWebSocketConnection(String uriString, String protocol, IWebSocketHandler webSocketHandler) throws IOException {
        URI uri = URI.create(uriString);
        
        int port = uri.getPort();
        if (port == -1) {
            if (uri.getScheme().toLowerCase().equals("wss")) {
                port = 443;
            } else {
                port = 80;
            }
        }
        
        
        boolean isSSL;
        if (uri.getScheme().toLowerCase().equals("wss")) {
            isSSL = true;
        } else {
            isSSL = false;
        }
        
        HttpClientConnection con = getHttpClientConnectionPool().getHttpClientConnection(uri.getHost(), port, isSSL);
        return new WebSocketConnection(con, uri, protocol, webSocketHandler); 
    }	
}