/*
    * Copyright (C) 2013 Christian Halstrick <christian.halstrick@sap.com>
    * and other copyright owners as documented in the project's IP log.
    *
    * This program and the accompanying materials are made available
    * under the terms of the Eclipse Distribution License v1.0 which
    * accompanies this distribution, is reproduced below, and is
    * available at http://www.eclipse.org/org/documents/edl-v10.php
    *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or
   * without modification, are permitted provided that the following
   * conditions are met:
   *
   * - Redistributions of source code must retain the above copyright
   *   notice, this list of conditions and the following disclaimer.
   *
   * - 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.
   *
   * - Neither the name of the Eclipse Foundation, Inc. nor the
   *   names of its contributors may be used to endorse or promote
   *   products derived from this software without specific prior
   *   written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
   * CONTRIBUTORS "AS IS" AND ANY EXPRESS 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 COPYRIGHT OWNER OR
   * 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.
   */
  package org.eclipse.jgit.transport.http;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.net.HttpURLConnection;
  import java.net.MalformedURLException;
  import java.net.ProtocolException;
  import java.net.Proxy;
  import java.net.URL;
  import java.security.KeyManagementException;
  import java.security.NoSuchAlgorithmException;
  import java.security.SecureRandom;
  import java.util.List;
  import java.util.Map;
  
  import javax.net.ssl.HostnameVerifier;
  import javax.net.ssl.HttpsURLConnection;
  import javax.net.ssl.KeyManager;
  import javax.net.ssl.SSLContext;
  import javax.net.ssl.TrustManager;
  
  /**
   * A {@link HttpConnection} which simply delegates every call to a
   * {@link HttpURLConnection}. This is the default implementation used by JGit
   *
   * @since 3.3
   */
  public class JDKHttpConnection implements HttpConnection {
  	HttpURLConnection wrappedUrlConnection;
  
  	/**
  	 * @param url
  	 * @throws MalformedURLException
  	 * @throws IOException
  	 */
  	protected JDKHttpConnection(URL url)
  			throws MalformedURLException,
  			IOException {
  		this.wrappedUrlConnection = (HttpURLConnection) url.openConnection();
  	}
  
  	/**
  	 * @param url
  	 * @param proxy
  	 * @throws MalformedURLException
  	 * @throws IOException
  	 */
  	protected JDKHttpConnection(URL url, Proxy proxy)
  			throws MalformedURLException, IOException {
  		this.wrappedUrlConnection = (HttpURLConnection) url
  				.openConnection(proxy);
  	}
  
  	@Override
  	public int getResponseCode() throws IOException {
  		return wrappedUrlConnection.getResponseCode();
 	}
 
 	@Override
 	public URL getURL() {
 		return wrappedUrlConnection.getURL();
 	}
 
 	@Override
 	public String getResponseMessage() throws IOException {
 		return wrappedUrlConnection.getResponseMessage();
 	}
 
 	@Override
 	public Map<String, List<String>> getHeaderFields() {
 		return wrappedUrlConnection.getHeaderFields();
 	}
 
 	@Override
 	public void setRequestProperty(String key, String value) {
 		wrappedUrlConnection.setRequestProperty(key, value);
 	}
 
 	@Override
 	public void setRequestMethod(String method) throws ProtocolException {
 		wrappedUrlConnection.setRequestMethod(method);
 	}
 
 	@Override
 	public void setUseCaches(boolean usecaches) {
 		wrappedUrlConnection.setUseCaches(usecaches);
 	}
 
 	@Override
 	public void setConnectTimeout(int timeout) {
 		wrappedUrlConnection.setConnectTimeout(timeout);
 	}
 
 	@Override
 	public void setReadTimeout(int timeout) {
 		wrappedUrlConnection.setReadTimeout(timeout);
 	}
 
 	@Override
 	public String getContentType() {
 		return wrappedUrlConnection.getContentType();
 	}
 
 	@Override
 	public InputStream getInputStream() throws IOException {
 		return wrappedUrlConnection.getInputStream();
 	}
 
 	@Override
 	public String getHeaderField(String name) {
 		return wrappedUrlConnection.getHeaderField(name);
 	}
 
 	@Override
 	public int getContentLength() {
 		return wrappedUrlConnection.getContentLength();
 	}
 
 	@Override
 	public void setInstanceFollowRedirects(boolean followRedirects) {
 		wrappedUrlConnection.setInstanceFollowRedirects(followRedirects);
 	}
 
 	@Override
 	public void setDoOutput(boolean dooutput) {
 		wrappedUrlConnection.setDoOutput(dooutput);
 	}
 
 	@Override
 	public void setFixedLengthStreamingMode(int contentLength) {
 		wrappedUrlConnection.setFixedLengthStreamingMode(contentLength);
 	}
 
 	@Override
 	public OutputStream getOutputStream() throws IOException {
 		return wrappedUrlConnection.getOutputStream();
 	}
 
 	@Override
 	public void setChunkedStreamingMode(int chunklen) {
 		wrappedUrlConnection.setChunkedStreamingMode(chunklen);
 	}
 
 	@Override
 	public String getRequestMethod() {
 		return wrappedUrlConnection.getRequestMethod();
 	}
 
 	@Override
 	public boolean usingProxy() {
 		return wrappedUrlConnection.usingProxy();
 	}
 
 	@Override
 	public void connect() throws IOException {
 		wrappedUrlConnection.connect();
 	}
 
 	@Override
 	public void setHostnameVerifier(HostnameVerifier hostnameverifier) {
 		((HttpsURLConnection) wrappedUrlConnection)
 				.setHostnameVerifier(hostnameverifier);
 	}
 
 	@Override
 	public void configure(KeyManager[] km, TrustManager[] tm,
 			SecureRandom random) throws NoSuchAlgorithmException,
 			KeyManagementException {
 		SSLContext ctx = SSLContext.getInstance("TLS"); //$NON-NLS-1$
 		ctx.init(km, tm, random);
 		((HttpsURLConnection) wrappedUrlConnection).setSSLSocketFactory(ctx
 				.getSocketFactory());
 	}
 }