com.ephesoft.dcma.util.NetworkUtil.java Source code

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Here is the source code for com.ephesoft.dcma.util.NetworkUtil.java

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/********************************************************************************* 
* Ephesoft is a Intelligent Document Capture and Mailroom Automation program 
* developed by Ephesoft, Inc. Copyright (C) 2010-2012 Ephesoft Inc. 
* 
* This program is free software; you can redistribute it and/or modify it under 
* the terms of the GNU Affero General Public License version 3 as published by the 
* Free Software Foundation with the addition of the following permission added 
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK 
* IN WHICH THE COPYRIGHT IS OWNED BY EPHESOFT, EPHESOFT DISCLAIMS THE WARRANTY 
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. 
* 
* This program 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 Affero General Public License for more 
* details. 
* 
* You should have received a copy of the GNU Affero General Public License along with 
* this program; if not, see http://www.gnu.org/licenses or write to the Free 
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 
* 02110-1301 USA. 
* 
* You can contact Ephesoft, Inc. headquarters at 111 Academy Way, 
* Irvine, CA 92617, USA. or at email address info@ephesoft.com. 
* 
* The interactive user interfaces in modified source and object code versions 
* of this program must display Appropriate Legal Notices, as required under 
* Section 5 of the GNU Affero General Public License version 3. 
* 
* In accordance with Section 7(b) of the GNU Affero General Public License version 3, 
* these Appropriate Legal Notices must retain the display of the "Ephesoft" logo. 
* If the display of the logo is not reasonably feasible for 
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package com.ephesoft.dcma.util;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.ephesoft.dcma.constant.UtilConstants;

/**
 * This is a Utility class which will fetch the ip address for the application.
 * 
 * @author Ephesoft
 * @version 1.0
 * @see java.net.NetworkInterface
 */
public class NetworkUtil {

    /**
     * log reference.
     */
    private static final Log LOG = LogFactory.getLog(NetworkUtil.class);

    /**
     * IPADDRESS String.
     */
    private static final String IPADDRESS = "127.0.0.1";

    /**
     * Utility method which will fetch the ip address of the system.
     * 
     * @return ip address of the system.
     */
    public static String getSystemIPAddress() {

        StringBuilder input = new StringBuilder(UtilConstants.INPUT_CONST);
        boolean first = true;
        String returnAddress = null;
        try {
            for (Enumeration<NetworkInterface> enumer = NetworkInterface.getNetworkInterfaces(); enumer
                    .hasMoreElements();) {
                NetworkInterface netInterface = enumer.nextElement();
                Enumeration<InetAddress> inetEnum = netInterface.getInetAddresses();
                while (inetEnum.hasMoreElements()) {
                    InetAddress inetAddress = inetEnum.nextElement();
                    if (!inetAddress.isLoopbackAddress()) {
                        if (first) {
                            first = false;
                        } else {
                            input.append(UtilConstants.FORWARD_SLASH);
                        }
                        input.append(inetAddress.getHostAddress());
                    }
                }
            }
        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
            returnAddress = IPADDRESS;
        }
        if (null == returnAddress) {
            returnAddress = first ? IPADDRESS : input.toString();
        }
        return returnAddress;
    }

}