bundles/org.simantics.db.management/src/org/simantics/db/management/discovery/InetAddressUtils.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.management.discovery;
  13
  14 import java.net.InetSocketAddress;
  15
  16 /**
  17  * @author Tuukka Lehtonen
  18  */
  19 public final class InetAddressUtils {
  20
  21     /**
  22      * @param hostAndPort
  23      * @return
  24      * @throws IllegalArgumentException
  25      */
  26     public static InetSocketAddress parse(String hostAndPort) throws IllegalArgumentException {
  27         String[] split = hostAndPort.split(":");
  28         if (split.length != 2)
  29             throw new IllegalArgumentException("address does not contain a port, missing ':' character");
  30         return new InetSocketAddress(split[0], Integer.parseInt(split[1]));
  31     }
  32
  33     /**
  34      * @param hostAndPort
  35      * @return
  36      * @throws IllegalArgumentException
  37      */
  38     public static InetSocketAddress parseUnresolved(String hostAndPort) throws IllegalArgumentException {
  39         String[] split = hostAndPort.split(":");
  40         if (split.length != 2)
  41             throw new IllegalArgumentException("address does not contain a port, missing ':' character");
  42         return InetSocketAddress.createUnresolved(split[0], Integer.parseInt(split[1]));
  43     }
  44
  45     public static String toHostString(InetSocketAddress address) {
  46         if (address == null) return "null";
  47         return address.getHostName() + ":" + address.getPort();
  48     }
  49
  50     /**
  51      * @param hostAndPort
  52      * @return
  53      * @throws IllegalArgumentException
  54      */
  55     public static InetSocketAddress parseHostAddressPort(String hostAddressPort) throws IllegalArgumentException {
  56         String[] split = hostAddressPort.split(":");
  57         if (split.length != 2)
  58             throw new IllegalArgumentException("address not in format '[<host>/]<address>:port', does not contain a port, missing ':' character: " + hostAddressPort);
  59         String[] split2 = split[0].split("/");
  60         if (split2.length == 1)
  61             return new InetSocketAddress(split[0], Integer.parseInt(split[1]));
  62         if (split2.length == 2)
  63             return new InetSocketAddress(split2[1], Integer.parseInt(split[1]));
  64         throw new IllegalArgumentException("expected address in format '[<host>/]<address>:port', got " + hostAddressPort);
  65     }
  66
  67     public static void main(String[] args) {
  68         System.out.println(parseHostAddressPort("/127.0.0.1:1234"));
  69         System.out.println(parseHostAddressPort("localhost/127.0.0.1:1234"));
  70         System.out.println(parseHostAddressPort("127.0.0.1:1234"));
  71         System.out.println(parseHostAddressPort("localhost:1234"));
  72     }
  73 }