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 
17 package android.net.http;
18 
19 import android.content.Context;
20 
21 import java.net.Socket;
22 import java.io.IOException;
23 
24 import org.apache.http.HttpHost;
25 import org.apache.http.params.BasicHttpParams;
26 import org.apache.http.params.HttpConnectionParams;
27 
28 /**
29  * A requestConnection connecting to a normal (non secure) http server
30  *
31  * {@hide}
32  */
33 class HttpConnection extends Connection {
34 
HttpConnection(Context context, HttpHost host, RequestFeeder requestFeeder)35     HttpConnection(Context context, HttpHost host,
36                    RequestFeeder requestFeeder) {
37         super(context, host, requestFeeder);
38     }
39 
40     /**
41      * Opens the connection to a http server
42      *
43      * @return the opened low level connection
44      * @throws IOException if the connection fails for any reason.
45      */
46     @Override
openConnection(Request req)47     AndroidHttpClientConnection openConnection(Request req) throws IOException {
48 
49         // Update the certificate info (connection not secure - set to null)
50         EventHandler eventHandler = req.getEventHandler();
51         mCertificate = null;
52         eventHandler.certificate(mCertificate);
53 
54         AndroidHttpClientConnection conn = new AndroidHttpClientConnection();
55         BasicHttpParams params = new BasicHttpParams();
56         Socket sock = new Socket(mHost.getHostName(), mHost.getPort());
57         params.setIntParameter(HttpConnectionParams.SOCKET_BUFFER_SIZE, 8192);
58         conn.bind(sock, params);
59         return conn;
60     }
61 
62     /**
63      * Closes the low level connection.
64      *
65      * If an exception is thrown then it is assumed that the
66      * connection will have been closed (to the extent possible)
67      * anyway and the caller does not need to take any further action.
68      *
69      */
closeConnection()70     void closeConnection() {
71         try {
72             if (mHttpClientConnection != null && mHttpClientConnection.isOpen()) {
73                 mHttpClientConnection.close();
74             }
75         } catch (IOException e) {
76             if (HttpLog.LOGV) HttpLog.v(
77                     "closeConnection(): failed closing connection " +
78                     mHost);
79             e.printStackTrace();
80         }
81     }
82 
83     /**
84      * Restart a secure connection suspended waiting for user interaction.
85      */
restartConnection(boolean abort)86     void restartConnection(boolean abort) {
87         // not required for plain http connections
88     }
89 
getScheme()90     String getScheme() {
91         return "http";
92     }
93 }
94