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