| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.tools.ant.util.java15; |
| |
| import org.apache.tools.ant.BuildException; |
| |
| import java.net.ProxySelector; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.Proxy; |
| import java.net.SocketAddress; |
| import java.net.InetSocketAddress; |
| import java.net.InetAddress; |
| import java.util.List; |
| import java.util.Iterator; |
| |
| /** |
| * This class exists to create a string that tells diagnostics about the current |
| * state of proxy diagnostics. |
| * It does this in its toString operator. |
| * Java1.5+ is needed to compile this class; its interface is classic typeless |
| * Java. |
| * @since Ant 1.7 |
| */ |
| public class ProxyDiagnostics { |
| |
| private String destination; |
| |
| private URI destURI; |
| |
| /** {@value} */ |
| public static final String DEFAULT_DESTINATION = "http://ant.apache.org/"; |
| |
| /** |
| * create a diagnostics binding for a specific URI |
| * @param destination dest to bind to |
| * @throws BuildException if the URI is malformed. |
| */ |
| public ProxyDiagnostics(String destination) { |
| this.destination = destination; |
| try { |
| this.destURI = new URI(destination); |
| } catch (URISyntaxException e) { |
| throw new BuildException(e); |
| } |
| } |
| |
| /** |
| * create a proxy diagnostics tool bound to |
| * {@link #DEFAULT_DESTINATION} |
| */ |
| public ProxyDiagnostics() { |
| this(DEFAULT_DESTINATION); |
| } |
| |
| /** |
| * Get the diagnostics for proxy information. |
| * @return the information. |
| */ |
| public String toString() { |
| ProxySelector selector = ProxySelector.getDefault(); |
| List list = selector.select(destURI); |
| StringBuffer result = new StringBuffer(); |
| Iterator proxies = list.listIterator(); |
| while (proxies.hasNext()) { |
| Proxy proxy = (Proxy) proxies.next(); |
| SocketAddress address = proxy.address(); |
| if (address == null) { |
| result.append("Direct connection\n"); |
| } else { |
| result.append(proxy.toString()); |
| if (address instanceof InetSocketAddress) { |
| InetSocketAddress ina = (InetSocketAddress) address; |
| result.append(' '); |
| result.append(ina.getHostName()); |
| result.append(':'); |
| result.append(ina.getPort()); |
| if (ina.isUnresolved()) { |
| result.append(" [unresolved]"); |
| } else { |
| InetAddress addr = ina.getAddress(); |
| result.append(" ["); |
| result.append(addr.getHostAddress()); |
| result.append(']'); |
| } |
| } |
| result.append('\n'); |
| } |
| } |
| return result.toString(); |
| } |
| } |