| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hdds.utils; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.io.IOUtils; |
| import org.apache.hadoop.util.ThreadUtil; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Properties; |
| |
| /** |
| * This class returns build information about Hadoop components. |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class VersionInfo { |
| |
| private final Properties info = new Properties(); |
| |
| public VersionInfo(String component) { |
| String versionInfoFile = component + "-version-info.properties"; |
| InputStream is = null; |
| try { |
| is = ThreadUtil.getResourceAsStream( |
| getClass().getClassLoader(), |
| versionInfoFile); |
| info.load(is); |
| } catch (IOException ex) { |
| LoggerFactory.getLogger(getClass()).warn("Could not read '" + |
| versionInfoFile + "', " + ex.toString(), ex); |
| } finally { |
| IOUtils.closeStream(is); |
| } |
| } |
| |
| public String getRelease() { |
| return info.getProperty("release", "Unknown"); |
| } |
| |
| public String getVersion() { |
| return info.getProperty("version", "Unknown"); |
| } |
| |
| public String getRevision() { |
| return info.getProperty("revision", "Unknown"); |
| } |
| |
| public String getBranch() { |
| return info.getProperty("branch", "Unknown"); |
| } |
| |
| public String getDate() { |
| return info.getProperty("date", "Unknown"); |
| } |
| |
| public String getUser() { |
| return info.getProperty("user", "Unknown"); |
| } |
| |
| public String getUrl() { |
| return info.getProperty("url", "Unknown"); |
| } |
| |
| public String getSrcChecksum() { |
| return info.getProperty("srcChecksum", "Unknown"); |
| } |
| |
| public String getProtocVersion() { |
| return info.getProperty("protocVersion", "Unknown"); |
| } |
| |
| public String getBuildVersion() { |
| return getVersion() + |
| " from " + getRevision() + |
| " by " + getUser() + |
| " source checksum " + getSrcChecksum(); |
| } |
| } |