/* * Copyright 2014 NAVER Corp. * * Licensed 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 com.navercorp.pinpoint.common.util; /** * @author hyungil.jeong */ public final class JvmUtils { private static final JvmVersion JVM_VERSION = getVersion0(); private static final JvmType JVM_TYPE = getType0(); private JvmUtils() { } public static JvmVersion getVersion() { return JVM_VERSION; } public static JvmType getType() { return JVM_TYPE; } public static boolean supportsVersion(JvmVersion other) { return JVM_VERSION.onOrAfter(other); } public static String getSystemProperty(SystemPropertyKey systemPropertyKey) { return System.getProperty(systemPropertyKey.getKey(), ""); } private static JvmVersion getVersion0() { String javaVersion = getSystemProperty(SystemPropertyKey.JAVA_SPECIFICATION_VERSION); return JvmVersion.getFromVersion(javaVersion); } private static JvmType getType0() { String javaVmName = getSystemProperty(SystemPropertyKey.JAVA_VM_NAME); return JvmType.fromVmName(javaVmName); } }