1/* 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 8 * 9 * 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 18package org.apache.harmony.luni.internal.net.www.protocol.http; 19 20import java.io.IOException; 21import java.net.Proxy; 22import java.net.URL; 23import java.net.URLConnection; 24import java.net.URLStreamHandler; 25 26import 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 */ 32public class Handler extends URLStreamHandler { 33 34 /** 35 * Returns 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 HttpURLConnectionImpl(u, getDefaultPort()); 48 } 49 50 /** 51 * Returns 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 HttpURLConnectionImpl(u, getDefaultPort(), proxy); 76 } 77 78 /** 79 * Return the default port. 80 */ 81 @Override 82 protected int getDefaultPort() { 83 return 80; 84 } 85} 86