Files
alfresco-community-repo/source/java/org/alfresco/util/PortUtil.java
Alan Davis 0ccc05a0c6 Merged 5.1.N (5.1.1) to HEAD (5.1)
113251 adavis: Merged 5.0.N (5.0.3) to 5.1.N (5.1.1)
      113194 abalmus: Merged DEV to 5.0.N (5.0.3)
         113149: MNT-13706 : Admin console unusable after we set any  busy port in Port Number Value for subsystem
            - Fixed issue that caused ACE-4194


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@113287 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2015-09-29 06:00:22 +00:00

76 lines
2.2 KiB
Java

/*
* Copyright (C) 2005-2015 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.util;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Alfresco port-related utility functions.
*
* @author abalmus
*/
public class PortUtil
{
private static Log logger = LogFactory.getLog(PortUtil.class);
/**
* Check if specified port is free.
* @param port Port number to check.
* @param host A local address to bind to; if null, "" or "0.0.0.0" then all local addresses will be considered.
*/
public static void checkPort(int port, String host) throws IOException
{
ServerSocket serverSocket = null;
try
{
if (host != null && !host.equals("") && !"0.0.0.0".equals(host.trim()))
{
serverSocket = new ServerSocket(port, 0, InetAddress.getByName(host.trim()));
}
else
{
serverSocket = new ServerSocket(port);
}
}
finally
{
if (serverSocket != null)
{
try
{
serverSocket.close();
}
catch (IOException ioe)
{
if (logger.isDebugEnabled())
{
logger.debug(ioe.toString());
}
}
}
}
}
}