PortUtil.java

/*
 * 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 ro.nextreports.designer.util;

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

/**
 * @author Decebal Suiu
 */
public class PortUtil {
	
	public static boolean isAvailable(int port) {
		ServerSocket socket = null;
		try {
		    socket = new ServerSocket(port);
		} catch (IOException e) {
		    return false;
		} finally { 
		    if (socket != null) {
		    	try {
					socket.close();
				} catch (IOException e) {
				} 
		    }
		}
		
		return true;
	}
	
	public static int getNextAvailable(int port) {
		int nextPort = port;
		while (!isAvailable(nextPort)) {
			nextPort++;
		}
		
		return nextPort;
	}
	
}