| /* |
| * |
| * 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.hbase.rest.model; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| import javax.servlet.ServletContext; |
| import javax.xml.bind.annotation.XmlAttribute; |
| import javax.xml.bind.annotation.XmlRootElement; |
| import org.apache.hadoop.hbase.rest.ProtobufMessageHandler; |
| import org.apache.hadoop.hbase.rest.RESTServlet; |
| import org.apache.hadoop.hbase.protobuf.ProtobufUtil; |
| import org.apache.hadoop.hbase.rest.protobuf.generated.VersionMessage.Version; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| import org.apache.hbase.thirdparty.org.glassfish.jersey.servlet.ServletContainer; |
| |
| |
| /** |
| * A representation of the collection of versions of the REST gateway software |
| * components. |
| * <ul> |
| * <li>restVersion: REST gateway revision</li> |
| * <li>jvmVersion: the JVM vendor and version information</li> |
| * <li>osVersion: the OS type, version, and hardware architecture</li> |
| * <li>serverVersion: the name and version of the servlet container</li> |
| * <li>jerseyVersion: the version of the embedded Jersey framework</li> |
| * </ul> |
| */ |
| @XmlRootElement(name="Version") |
| @InterfaceAudience.Private |
| public class VersionModel implements Serializable, ProtobufMessageHandler { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private String restVersion; |
| private String jvmVersion; |
| private String osVersion; |
| private String serverVersion; |
| private String jerseyVersion; |
| |
| /** |
| * Default constructor. Do not use. |
| */ |
| public VersionModel() {} |
| |
| /** |
| * Constructor |
| * @param context the servlet context |
| */ |
| public VersionModel(ServletContext context) { |
| restVersion = RESTServlet.VERSION_STRING; |
| jvmVersion = System.getProperty("java.vm.vendor") + ' ' + |
| System.getProperty("java.version") + '-' + |
| System.getProperty("java.vm.version"); |
| osVersion = System.getProperty("os.name") + ' ' + |
| System.getProperty("os.version") + ' ' + |
| System.getProperty("os.arch"); |
| serverVersion = context.getServerInfo(); |
| jerseyVersion = ServletContainer.class.getPackage().getImplementationVersion(); |
| // Currently, this will always be null because the manifest doesn't have any useful information |
| if (jerseyVersion == null) jerseyVersion = ""; |
| } |
| |
| /** |
| * @return the REST gateway version |
| */ |
| @XmlAttribute(name="REST") |
| public String getRESTVersion() { |
| return restVersion; |
| } |
| |
| /** |
| * @return the JVM vendor and version |
| */ |
| @XmlAttribute(name="JVM") |
| public String getJVMVersion() { |
| return jvmVersion; |
| } |
| |
| /** |
| * @return the OS name, version, and hardware architecture |
| */ |
| @XmlAttribute(name="OS") |
| public String getOSVersion() { |
| return osVersion; |
| } |
| |
| /** |
| * @return the servlet container version |
| */ |
| @XmlAttribute(name="Server") |
| public String getServerVersion() { |
| return serverVersion; |
| } |
| |
| /** |
| * @return the version of the embedded Jersey framework |
| */ |
| @XmlAttribute(name="Jersey") |
| public String getJerseyVersion() { |
| return jerseyVersion; |
| } |
| |
| /** |
| * @param version the REST gateway version string |
| */ |
| public void setRESTVersion(String version) { |
| this.restVersion = version; |
| } |
| |
| /** |
| * @param version the OS version string |
| */ |
| public void setOSVersion(String version) { |
| this.osVersion = version; |
| } |
| |
| /** |
| * @param version the JVM version string |
| */ |
| public void setJVMVersion(String version) { |
| this.jvmVersion = version; |
| } |
| |
| /** |
| * @param version the servlet container version string |
| */ |
| public void setServerVersion(String version) { |
| this.serverVersion = version; |
| } |
| |
| /** |
| * @param version the Jersey framework version string |
| */ |
| public void setJerseyVersion(String version) { |
| this.jerseyVersion = version; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#toString() |
| */ |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("rest "); |
| sb.append(restVersion); |
| sb.append(" [JVM: "); |
| sb.append(jvmVersion); |
| sb.append("] [OS: "); |
| sb.append(osVersion); |
| sb.append("] [Server: "); |
| sb.append(serverVersion); |
| sb.append("] [Jersey: "); |
| sb.append(jerseyVersion); |
| sb.append("]\n"); |
| return sb.toString(); |
| } |
| |
| @Override |
| public byte[] createProtobufOutput() { |
| Version.Builder builder = Version.newBuilder(); |
| builder.setRestVersion(restVersion); |
| builder.setJvmVersion(jvmVersion); |
| builder.setOsVersion(osVersion); |
| builder.setServerVersion(serverVersion); |
| builder.setJerseyVersion(jerseyVersion); |
| return builder.build().toByteArray(); |
| } |
| |
| @Override |
| public ProtobufMessageHandler getObjectFromMessage(byte[] message) |
| throws IOException { |
| Version.Builder builder = Version.newBuilder(); |
| ProtobufUtil.mergeFrom(builder, message); |
| if (builder.hasRestVersion()) { |
| restVersion = builder.getRestVersion(); |
| } |
| if (builder.hasJvmVersion()) { |
| jvmVersion = builder.getJvmVersion(); |
| } |
| if (builder.hasOsVersion()) { |
| osVersion = builder.getOsVersion(); |
| } |
| if (builder.hasServerVersion()) { |
| serverVersion = builder.getServerVersion(); |
| } |
| if (builder.hasJerseyVersion()) { |
| jerseyVersion = builder.getJerseyVersion(); |
| } |
| return this; |
| } |
| } |