mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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84841e063f
125788 rmunteanu: Merged 5.1.N (5.1.2) to 5.2.N (5.2.1)
125606 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
125515 slanglois: MNT-16155 Update source headers - add new Copyrights for Java and JSP source files + automatic check in the build
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@127810 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
83 lines
2.5 KiB
Java
83 lines
2.5 KiB
Java
/*
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* #%L
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* Alfresco Repository
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* %%
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* Copyright (C) 2005 - 2016 Alfresco Software Limited
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* %%
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* This file is part of the Alfresco software.
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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* #L%
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*/
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package org.alfresco.util;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.ServerSocket;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Alfresco port-related utility functions.
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*
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* @author abalmus
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*/
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public class PortUtil
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{
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private static Log logger = LogFactory.getLog(PortUtil.class);
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/**
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* Check if specified port is free.
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* @param port Port number to check.
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* @param host A local address to bind to; if null, "" or "0.0.0.0" then all local addresses will be considered.
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*/
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public static void checkPort(int port, String host) throws IOException
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{
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ServerSocket serverSocket = null;
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try
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{
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if (host != null && !host.equals("") && !"0.0.0.0".equals(host.trim()))
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{
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serverSocket = new ServerSocket(port, 0, InetAddress.getByName(host.trim()));
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}
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else
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{
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serverSocket = new ServerSocket(port);
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}
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}
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finally
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{
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if (serverSocket != null)
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{
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try
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{
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serverSocket.close();
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}
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catch (IOException ioe)
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{
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if (logger.isDebugEnabled())
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{
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logger.debug(ioe.toString());
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}
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}
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}
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}
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}
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}
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