HttpConnection.java revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087
1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.net.http; 18 19import android.content.Context; 20 21import java.net.Socket; 22import java.io.IOException; 23 24import org.apache.http.HttpClientConnection; 25import org.apache.http.HttpHost; 26import org.apache.http.impl.DefaultHttpClientConnection; 27import org.apache.http.params.BasicHttpParams; 28import org.apache.http.params.HttpConnectionParams; 29 30/** 31 * A requestConnection connecting to a normal (non secure) http server 32 * 33 * {@hide} 34 */ 35class HttpConnection extends Connection { 36 37 HttpConnection(Context context, HttpHost host, 38 RequestQueue.ConnectionManager connectionManager, 39 RequestFeeder requestFeeder) { 40 super(context, host, connectionManager, requestFeeder); 41 } 42 43 /** 44 * Opens the connection to a http server 45 * 46 * @return the opened low level connection 47 * @throws IOException if the connection fails for any reason. 48 */ 49 @Override 50 AndroidHttpClientConnection openConnection(Request req) throws IOException { 51 52 // Update the certificate info (connection not secure - set to null) 53 EventHandler eventHandler = req.getEventHandler(); 54 mCertificate = null; 55 eventHandler.certificate(mCertificate); 56 57 AndroidHttpClientConnection conn = new AndroidHttpClientConnection(); 58 BasicHttpParams params = new BasicHttpParams(); 59 Socket sock = new Socket(mHost.getHostName(), mHost.getPort()); 60 params.setIntParameter(HttpConnectionParams.SOCKET_BUFFER_SIZE, 8192); 61 conn.bind(sock, params); 62 return conn; 63 } 64 65 /** 66 * Closes the low level connection. 67 * 68 * If an exception is thrown then it is assumed that the 69 * connection will have been closed (to the extent possible) 70 * anyway and the caller does not need to take any further action. 71 * 72 */ 73 void closeConnection() { 74 try { 75 if (mHttpClientConnection != null && mHttpClientConnection.isOpen()) { 76 mHttpClientConnection.close(); 77 } 78 } catch (IOException e) { 79 if (HttpLog.LOGV) HttpLog.v( 80 "closeConnection(): failed closing connection " + 81 mHost); 82 e.printStackTrace(); 83 } 84 } 85 86 /** 87 * Restart a secure connection suspended waiting for user interaction. 88 */ 89 void restartConnection(boolean abort) { 90 // not required for plain http connections 91 } 92 93 String getScheme() { 94 return "http"; 95 } 96} 97