01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package org.apache.harmony.luni.internal.net.www.protocol.http;
19:
20: import java.io.IOException;
21: import java.net.Proxy;
22: import java.net.URL;
23: import java.net.URLConnection;
24: import java.net.URLStreamHandler;
25:
26: import org.apache.harmony.luni.util.Msg;
27:
28: /**
29: * This is the handler that manages all transactions between the client and a
30: * HTTP remote server.
31: */
32: public class Handler extends URLStreamHandler {
33:
34: /**
35: * Answers a connection to the HTTP server specified by this
36: * <code>URL</code>.
37: *
38: * @param u
39: * the URL to which the connection is pointing to
40: * @return a connection to the resource pointed by this url.
41: *
42: * @throws IOException
43: * if this handler fails to establish a connection
44: */
45: @Override
46: protected URLConnection openConnection(URL u) throws IOException {
47: return new HttpURLConnection(u, getDefaultPort());
48: }
49:
50: /**
51: * Answers a connection, which is established via the <code>proxy</code>,
52: * to the HTTP server specified by this <code>URL</code>. If the
53: * <code>proxy</code> is DIRECT type, the connection is made in normal
54: * way.
55: *
56: * @param u
57: * the URL which the connection is pointing to
58: * @param proxy
59: * the proxy which is used to make the connection
60: * @return a connection to the resource pointed by this url.
61: *
62: * @throws IOException
63: * if this handler fails to establish a connection.
64: * @throws IllegalArgumentException
65: * if any argument is null or the type of proxy is wrong.
66: * @throws UnsupportedOperationException
67: * if the protocol handler doesn't support this method.
68: */
69: @Override
70: protected URLConnection openConnection(URL u, Proxy proxy)
71: throws IOException {
72: if (null == u || null == proxy) {
73: throw new IllegalArgumentException(Msg.getString("K034b")); //$NON-NLS-1$
74: }
75: return new HttpURLConnection(u, getDefaultPort(), proxy);
76: }
77:
78: /**
79: * Return the default port.
80: */
81: @Override
82: protected int getDefaultPort() {
83: return 80;
84: }
85: }
|