001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018 package org.apache.geronimo.system.serverinfo;
019
020 import java.util.Properties;
021
022 /**
023 * Information about this build of the server.
024 *
025 * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
026 */
027 public class ServerConstants {
028 private static final String VERSION;
029 private static final String BUILD_DATE;
030 private static final String BUILD_TIME;
031 private static final String COPYRIGHT;
032
033 /**
034 * Gets the server version
035 * @return version of the server
036 */
037 public static String getVersion() {
038 return VERSION;
039 }
040
041 /**
042 * Gets the date the server was built
043 * @return date of the server build
044 */
045 public static String getBuildDate() {
046 return BUILD_DATE;
047 }
048
049 /**
050 * Gets the time the server was built
051 * @return time of the server build
052 */
053 public static String getBuildTime() {
054 return BUILD_TIME;
055 }
056
057 /**
058 * Gets the copyright message for the server
059 * @return
060 */
061 public static String getCopyright() {
062 return COPYRIGHT;
063 }
064
065 /**
066 * load all of the properties from the geronimo-version.properties file, which is generated during the build
067 */
068 static {
069 Properties versionInfo = new Properties();
070 try {
071 java.io.InputStream input = ServerConstants.class.getClassLoader().getResourceAsStream("org/apache/geronimo/system/serverinfo/geronimo-version.properties");
072 if (input == null) {
073 throw new Error("Missing geronimo-version.properties");
074 }
075
076 versionInfo.load(input);
077 }
078 catch (java.io.IOException e) {
079 throw new Error("Could not load geronimo-version.properties", e);
080 }
081
082 VERSION = versionInfo.getProperty("version");
083 if (VERSION == null || VERSION.length() == 0) {
084 throw new Error("geronimo-version.properties does not contain a 'version' property");
085 }
086
087 BUILD_DATE = versionInfo.getProperty("build.date");
088 if (BUILD_DATE == null || BUILD_DATE.length() == 0) {
089 throw new Error("geronimo-version.properties does not contain a 'build.date' property");
090 }
091
092 BUILD_TIME = versionInfo.getProperty("build.time");
093 if (BUILD_TIME == null || BUILD_TIME.length() == 0) {
094 throw new Error("geronimo-version.properties does not contain a 'build.time' property");
095 }
096
097 COPYRIGHT = versionInfo.getProperty("copyright");
098 if (COPYRIGHT == null || COPYRIGHT.length() == 0) {
099 throw new Error("geronimo-version.properties does not contain a 'copyright' property");
100 }
101 }
102 }