Java tutorial
/* Copyright (C) 2001 - 2010 The Software Conservancy as Trustee. All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Nothing in this notice shall be deemed to grant any rights to trademarks, copyrights, patents, trade secrets or any other intellectual property of the licensor or any contributor except as expressly stated herein. No patent license is granted separate from the Software, for code that you delete from the Software, or for combinations of the Software with other software or hardware. */ package org.openadaptor.util; import java.net.InetAddress; import java.net.UnknownHostException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * Common Resource Utilities for OA3 * * @author Eddy Higgins */ public class NetUtil { private static final Log log = LogFactory.getLog(NetUtil.class.getName()); private static InetAddress getLocalInetAddress() { InetAddress result = null; try { result = InetAddress.getLocalHost(); } catch (UnknownHostException e) { log.warn("Failed to determine local host address"); } return result; } public static String getLocalHostname() { String result = "<Unknown>"; InetAddress inetAddr = getLocalInetAddress(); if (inetAddr != null) { result = inetAddr.getHostName(); } return result; } public static String getLocalHostAddress() { String result = "<Unknown>"; InetAddress inetAddr = getLocalInetAddress(); if (inetAddr != null) { result = inetAddr.getHostAddress(); } return result; } /** * Simple sanity test method. */ // public static void main(String[] argv) { // try { // System.out.println("LocalHostname: " + getLocalHostname()); // System.out.println("LocalHostaddr: " + getLocalHostAddress()); // Properties props = getBuildProperties(); // System.out.println("Retrieving Build information"); // Iterator it = props.keySet().iterator(); // while (it.hasNext()) { // Object key = it.next(); // String value = (String) props.get(key); // System.out.println(key + " -> " + value); // } // } catch (ComponentException e) { // System.err.println(e); // } // } }