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                   RequestFeeder requestFeeder) {
39        super(context, host, requestFeeder);
40    }
41
42    /**
43     * Opens the connection to a http server
44     *
45     * @return the opened low level connection
46     * @throws IOException if the connection fails for any reason.
47     */
48    @Override
49    AndroidHttpClientConnection openConnection(Request req) throws IOException {
50
51        // Update the certificate info (connection not secure - set to null)
52        EventHandler eventHandler = req.getEventHandler();
53        mCertificate = null;
54        eventHandler.certificate(mCertificate);
55
56        AndroidHttpClientConnection conn = new AndroidHttpClientConnection();
57        BasicHttpParams params = new BasicHttpParams();
58        Socket sock = new Socket(mHost.getHostName(), mHost.getPort());
59        params.setIntParameter(HttpConnectionParams.SOCKET_BUFFER_SIZE, 8192);
60        conn.bind(sock, params);
61        return conn;
62    }
63
64    /**
65     * Closes the low level connection.
66     *
67     * If an exception is thrown then it is assumed that the
68     * connection will have been closed (to the extent possible)
69     * anyway and the caller does not need to take any further action.
70     *
71     */
72    void closeConnection() {
73        try {
74            if (mHttpClientConnection != null && mHttpClientConnection.isOpen()) {
75                mHttpClientConnection.close();
76            }
77        } catch (IOException e) {
78            if (HttpLog.LOGV) HttpLog.v(
79                    "closeConnection(): failed closing connection " +
80                    mHost);
81            e.printStackTrace();
82        }
83    }
84
85    /**
86     * Restart a secure connection suspended waiting for user interaction.
87     */
88    void restartConnection(boolean abort) {
89        // not required for plain http connections
90    }
91
92    String getScheme() {
93        return "http";
94    }
95}
96