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org.apache.jcs.utils.net.HostNameUtil |
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1 | package org.apache.jcs.utils.net; |
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2 | ||
3 | /* |
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4 | * Licensed to the Apache Software Foundation (ASF) under one |
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5 | * or more contributor license agreements. See the NOTICE file |
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6 | * distributed with this work for additional information |
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7 | * regarding copyright ownership. The ASF licenses this file |
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8 | * to you under the Apache License, Version 2.0 (the |
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9 | * "License"); you may not use this file except in compliance |
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10 | * with the License. You may obtain a copy of the License at |
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11 | * |
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12 | * http://www.apache.org/licenses/LICENSE-2.0 |
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13 | * |
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14 | * Unless required by applicable law or agreed to in writing, |
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15 | * software distributed under the License is distributed on an |
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16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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17 | * KIND, either express or implied. See the License for the |
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18 | * specific language governing permissions and limitations |
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19 | * under the License. |
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20 | */ |
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21 | ||
22 | import java.net.InetAddress; |
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23 | import java.net.UnknownHostException; |
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24 | ||
25 | import org.apache.commons.logging.Log; |
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26 | import org.apache.commons.logging.LogFactory; |
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27 | ||
28 | /** |
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29 | * Simple utility for getting the local host name. |
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30 | * <p> |
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31 | * @author Aaron Smuts |
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32 | */ |
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33 | 0 | public class HostNameUtil |
34 | { |
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35 | 28 | private final static Log log = LogFactory.getLog( HostNameUtil.class ); |
36 | ||
37 | /** |
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38 | * Gets the address for the local machine. |
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39 | * <p> |
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40 | * @return InetAddress.getLocalHost().getHostAddress(), or unknown if there |
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41 | * is an error. |
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42 | */ |
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43 | public static String getLocalHostAddress() |
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44 | { |
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45 | 14 | String hostAddress = "unknown"; |
46 | try |
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47 | { |
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48 | // todo, you should be able to set this |
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49 | 14 | hostAddress = InetAddress.getLocalHost().getHostAddress(); |
50 | 14 | if ( log.isDebugEnabled() ) |
51 | { |
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52 | 0 | log.debug( "hostAddress = [" + hostAddress + "]" ); |
53 | } |
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54 | } |
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55 | 0 | catch ( UnknownHostException e1 ) |
56 | { |
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57 | 0 | log.error( "Couldn't get localhost address", e1 ); |
58 | 14 | } |
59 | 14 | return hostAddress; |
60 | } |
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61 | } |
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