2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 package org.apache.harmony.luni.internal.net.www.protocol.ftp;
20 import java.io.IOException;
21 import java.net.Proxy;
23 import java.net.URLConnection;
24 import java.net.URLStreamHandler;
26 public class Handler extends URLStreamHandler {
28 * Open a URLConnection on the given URL.
31 protected URLConnection openConnection(URL u) throws IOException {
32 return new FtpURLConnection(u);
36 * Returns a connection, which is established via the <code>proxy</code>,
37 * to the FTP server specified by this <code>URL</code>. If
38 * <code>proxy</code> is DIRECT type, the connection is made in normal
42 * the URL which the connection is pointing to
44 * the proxy which is used to make the connection
45 * @return a connection to the resource pointed by this url.
48 * if this handler fails to establish a connection.
49 * @throws IllegalArgumentException
50 * if any argument is null or the type of proxy is wrong.
51 * @throws UnsupportedOperationException
52 * if the protocol handler doesn't support this method.
55 protected URLConnection openConnection(URL url, Proxy proxy) throws IOException {
56 if (url == null || proxy == null) {
57 throw new IllegalArgumentException("url == null || proxy == null");
59 return new FtpURLConnection(url, proxy);
63 * Return the default port.
66 protected int getDefaultPort() {