001/*
002 * The contents of this file are subject to the terms of the Common Development and
003 * Distribution License (the License). You may not use this file except in compliance with the
004 * License.
005 *
006 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
007 * specific language governing permission and limitations under the License.
008 *
009 * When distributing Covered Software, include this CDDL Header Notice in each file and include
010 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
011 * Header, with the fields enclosed by brackets [] replaced by your own identifying
012 * information: "Portions copyright [year] [name of copyright owner]".
013 *
014 * Copyright 2013 Cybernetica AS
015 * Portions copyright 2014-2015 ForgeRock AS.
016 */
017package org.forgerock.audit.providers;
018
019import org.slf4j.Logger;
020import org.slf4j.LoggerFactory;
021
022import java.net.InetAddress;
023import java.net.UnknownHostException;
024
025/**
026 * Default implementation of {@link LocalHostNameProvider} using {@link InetAddress} to lookup host name of local host.
027 */
028public class DefaultLocalHostNameProvider implements LocalHostNameProvider {
029
030    private static final Logger logger = LoggerFactory.getLogger(DefaultLocalHostNameProvider.class);
031
032    @Override
033    public String getLocalHostName() {
034        try {
035            return InetAddress.getLocalHost().getHostName();
036        } catch (UnknownHostException uhe) {
037            logger.error("Cannot resolve localhost name", uhe);
038            return null;
039        }
040    }
041}