[Rubyeclipse-commit] org.rubypeople.rdt.core/src/org/rubypeople/rdt/core SocketUtil.java,NONE,1.1

[Markus B. <mba...@us...>]

Update of /cvsroot/rubyeclipse/org.rubypeople.rdt.core/src/org/rubypeople/rdt/core
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv31151/src/org/rubypeople/rdt/core

Added Files:
	SocketUtil.java 
Log Message:
moved from org.rubypeople.rdt.testunit to org.rubypeople.rdt.core because it is needed from org.rubypeople.rdt.debug.core, too

--- NEW FILE: SocketUtil.java ---
/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.rubypeople.rdt.core;


import java.io.IOException;
import java.net.ServerSocket;

/**
 * Utility class to find a port to debug on.
 */
public class SocketUtil {
	
	/**
	 * Returns a free port number on localhost, or -1 if unable to find a free port.
	 * 
	 * @return a free port number on localhost, or -1 if unable to find a free port
	 * @since 3.0
	 */
	public static int findFreePort() {
		ServerSocket socket= null;
		try {
			socket= new ServerSocket(0);
			return socket.getLocalPort();
		} catch (IOException e) { 
		} finally {
			if (socket != null) {
				try {
					socket.close();
				} catch (IOException e) {
				}
			}
		}
		return -1;		
	}	
}