| /** |
| * 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.cxf.dosgi.dsw.handlers; |
| |
| import java.net.InetAddress; |
| import java.net.NetworkInterface; |
| import java.net.SocketException; |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.List; |
| |
| /** |
| * Utility methods to get the local address even on a linux host. |
| */ |
| public final class LocalHostUtil { |
| |
| private LocalHostUtil() { |
| // Util Class |
| } |
| |
| /** |
| * Returns an InetAddress representing the address of the localhost. Every |
| * attempt is made to find an address for this host that is not the loopback |
| * address. If no other address can be found, the loopback will be returned. |
| * |
| * @return InetAddress the address of localhost |
| * @throws UnknownHostException if there is a problem determining the address |
| */ |
| public static InetAddress getLocalHost() throws UnknownHostException { |
| InetAddress localHost = InetAddress.getLocalHost(); |
| if (!localHost.isLoopbackAddress()) { |
| return localHost; |
| } |
| InetAddress[] addrs = getAllLocalUsingNetworkInterface(); |
| for (InetAddress addr : addrs) { |
| if (!addr.isLoopbackAddress() && !addr.getHostAddress().contains(":")) { |
| return addr; |
| } |
| } |
| return localHost; |
| } |
| |
| /** |
| * Utility method that delegates to the methods of NetworkInterface to |
| * determine addresses for this machine. |
| * |
| * @return all addresses found from the NetworkInterfaces |
| * @throws UnknownHostException if there is a problem determining addresses |
| */ |
| private static InetAddress[] getAllLocalUsingNetworkInterface() throws UnknownHostException { |
| try { |
| List<InetAddress> addresses = new ArrayList<InetAddress>(); |
| Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces(); |
| while (e.hasMoreElements()) { |
| NetworkInterface ni = e.nextElement(); |
| for (Enumeration<InetAddress> e2 = ni.getInetAddresses(); e2.hasMoreElements();) { |
| addresses.add(e2.nextElement()); |
| } |
| } |
| return addresses.toArray(new InetAddress[] {}); |
| } catch (SocketException ex) { |
| throw new UnknownHostException("127.0.0.1"); |
| } |
| } |
| |
| public static String getLocalIp() { |
| String localIP; |
| try { |
| localIP = getLocalHost().getHostAddress(); |
| } catch (Exception e) { |
| localIP = "localhost"; |
| } |
| return localIP; |
| } |
| } |