SystemUtil.java example

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scouter-master
/*
 *  Copyright 2015 the original author or authors. 
 *  @https://github.com/scouter-project/scouter
 *
 *  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. 
 *
 *  For this class
 *     many of method/field names
 *     basic ideas 
 *  are from org.apache.commons.lang3.SystemUtils.java
 *  
 */package scouter.util;

public class SystemUtil {

	public static final String USER_NAME = System.getProperty("user.name");
	public static final boolean IS_JAVA_1_2 = System.getProperty("java.specification.version").startsWith("1.2");
	public static final boolean IS_JAVA_1_3 = System.getProperty("java.specification.version").startsWith("1.3");
	public static final boolean IS_JAVA_1_4 = System.getProperty("java.specification.version").startsWith("1.4");
	public static final boolean IS_JAVA_1_5 = System.getProperty("java.specification.version").startsWith("1.5");
	public static final boolean IS_JAVA_1_6 = System.getProperty("java.specification.version").startsWith("1.6");
	public static final boolean IS_JAVA_1_7 = System.getProperty("java.specification.version").startsWith("1.7");
	public static final boolean IS_JAVA_1_8 = System.getProperty("java.specification.version").startsWith("1.8");
	public static final String JAVA_VERSION = System.getProperty("java.version");
	public static final String JAVA_SPEC_VERSION = System.getProperty("java.specification.version");

	public static final String JAVA_VENDOR = System.getProperty("java.vendor");
	public static final boolean IS_JAVA_IBM = JAVA_VENDOR.startsWith("IBM");

	public static final String OS_NAME = System.getProperty("os.name");
	public static final boolean IS_AIX = OS_NAME.startsWith("AIX");
	public static final boolean IS_HP_UX = OS_NAME.startsWith("HP-UX");
	public static final boolean IS_LINUX = OS_NAME.toUpperCase().startsWith("LINUX");
	public static final boolean IS_MAC = OS_NAME.startsWith("Mac");
	public static final boolean IS_MAC_OSX = OS_NAME.startsWith("Mac OS X");
	public static final boolean IS_WINDOWS = OS_NAME.indexOf("Windows") >= 0;

	public static void main(String[] args) {
		System.out.println(OS_NAME);
	}
}