| /* |
| * 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.geode.internal; |
| |
| import static org.apache.geode.internal.lang.SystemUtils.getOsArchitecture; |
| import static org.apache.geode.internal.lang.SystemUtils.getOsName; |
| import static org.apache.geode.internal.lang.SystemUtils.getOsVersion; |
| |
| import java.io.InputStream; |
| import java.io.PrintWriter; |
| import java.net.UnknownHostException; |
| import java.util.Map.Entry; |
| import java.util.Optional; |
| import java.util.Properties; |
| import java.util.TreeMap; |
| |
| import org.apache.geode.internal.inet.LocalHostUtil; |
| |
| public class VersionDescription { |
| public static final String RESOURCE_NAME = "GemFireVersion.properties"; |
| |
| /** |
| * Constant for the GemFire version Resource Property entry |
| */ |
| public static final String PRODUCT_NAME = "Product-Name"; |
| |
| /** |
| * Constant for the GemFire version Resource Property entry |
| */ |
| public static final String PRODUCT_VERSION = "Product-Version"; |
| |
| /** |
| * Constant for the source code date Resource Property entry |
| */ |
| public static final String SOURCE_DATE = "Source-Date"; |
| |
| /** |
| * Constant for the source code revision Resource Property entry |
| */ |
| public static final String SOURCE_REVISION = "Source-Revision"; |
| |
| /** |
| * Constant for the source code repository Resource Property entry |
| */ |
| public static final String SOURCE_REPOSITORY = "Source-Repository"; |
| |
| /** |
| * Constant for the build id Resource Property entry |
| */ |
| public static final String BUILD_ID = "Build-Id"; |
| |
| /** |
| * Constant for the build Java version Resource Property entry |
| */ |
| public static final String BUILD_PLATFORM = "Build-Platform"; |
| |
| /** |
| * Constant for the build Java version Resource Property entry |
| */ |
| public static final String BUILD_JAVA_VERSION = "Build-Java-Version"; |
| |
| public static final String NATIVE_VERSION = "Native version"; |
| |
| public static final String RUNNING_ON = "Running on"; |
| |
| /** |
| * the version properties |
| */ |
| private final Properties description; |
| |
| /** |
| * Error message to display instead of the version information |
| */ |
| private final Optional<String> error; |
| |
| public VersionDescription(String name) { |
| InputStream is = ClassPathLoader.getLatest().getResourceAsStream(getClass(), name); |
| if (is == null) { |
| error = Optional |
| .of(String.format("<Could not find resource org/apache/geode/internal/%s>", |
| name)); |
| description = null; |
| return; |
| } |
| |
| description = new Properties(); |
| try { |
| description.load(is); |
| } catch (Exception ex) { |
| error = Optional |
| .of(String.format( |
| "<Could not read properties from resource org/apache/geode/internal/%s because: %s>", |
| name, ex)); |
| return; |
| } |
| |
| error = validate(description); |
| } |
| |
| public String getProperty(String key) { |
| return error.orElseGet(() -> description.getProperty(key)); |
| } |
| |
| void print(PrintWriter pw) { |
| if (error.isPresent()) { |
| pw.println(error.get()); |
| } else { |
| for (Entry<?, ?> props : new TreeMap<>(description).entrySet()) { |
| pw.println(props.getKey() + ": " + props.getValue()); |
| } |
| } |
| |
| pw.println(getRunningOnInfo()); |
| } |
| |
| private static String getRunningOnInfo() { |
| String line = getLocalHost() + ", " + Runtime.getRuntime().availableProcessors() + " cpu(s), " |
| + getOsArchitecture() + ' ' + getOsName() + ' ' + getOsVersion() + ' '; |
| return String.format(RUNNING_ON + ": %s", line); |
| } |
| |
| private static String getLocalHost() { |
| try { |
| return LocalHostUtil.getLocalHostString(); |
| } catch (UnknownHostException e) { |
| return e.getMessage(); |
| } |
| } |
| |
| private Optional<String> validate(Properties props) { |
| if (props.get(PRODUCT_NAME) == null) { |
| return Optional |
| .of(String.format("<Missing property %s from resource org/apache/geode/internal/%s>", |
| PRODUCT_NAME, RESOURCE_NAME)); |
| } |
| |
| if (props.get(PRODUCT_VERSION) == null) { |
| return Optional |
| .of(String.format("<Missing property %s from resource org/apache/geode/internal/%s>", |
| PRODUCT_VERSION, RESOURCE_NAME)); |
| } |
| |
| if (props.get(SOURCE_DATE) == null) { |
| return Optional |
| .of(String.format("<Missing property %s from resource org/apache/geode/internal/%s>", |
| SOURCE_DATE, RESOURCE_NAME)); |
| } |
| |
| if (props.get(SOURCE_REVISION) == null) { |
| return Optional |
| .of(String.format("<Missing property %s from resource org/apache/geode/internal/%s>", |
| SOURCE_REVISION, RESOURCE_NAME)); |
| } |
| |
| if (props.get(SOURCE_REPOSITORY) == null) { |
| return Optional |
| .of(String.format("<Missing property %s from resource org/apache/geode/internal/%s>", |
| SOURCE_REPOSITORY, RESOURCE_NAME)); |
| } |
| |
| if (props.get(BUILD_ID) == null) { |
| return Optional |
| .of(String.format("<Missing property %s from resource org/apache/geode/internal/%s>", |
| BUILD_ID, RESOURCE_NAME)); |
| } |
| |
| if (props.get(BUILD_PLATFORM) == null) { |
| return Optional |
| .of(String.format("<Missing property %s from resource org/apache/geode/internal/%s>", |
| BUILD_PLATFORM, RESOURCE_NAME)); |
| } |
| |
| if (props.get(BUILD_JAVA_VERSION) == null) { |
| return Optional |
| .of(String.format("<Missing property %s from resource org/apache/geode/internal/%s>", |
| BUILD_JAVA_VERSION, RESOURCE_NAME)); |
| } |
| return Optional.empty(); |
| } |
| } |