content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.util;
  
  import org.apache.commons.lang3.SystemUtils;
  
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * OS related utility functions.
   */
  @ThreadSafe
  public final class OSUtils {
    /** The OS name. */
    public static final String OS_NAME = System.getProperty("os.name");
    /** The processor bit. */
    public static final String PROCESSOR_BIT = System.getProperty("os.arch");
    /** The java vendor name used in this platform. */
    public static final String JAVA_VENDOR_NAME = System.getProperty("java.vendor");
    /** Indicates the current java vendor is IBM java or not. */
    public static final boolean IBM_JAVA = JAVA_VENDOR_NAME.contains("IBM");
  
    /**
     * @return true if current processor is 64 bit
     */
    public static boolean is64Bit() {
      return OSUtils.PROCESSOR_BIT.contains("64");
    }
  
    /**
     * @return true if current OS is Windows
     */
    public static boolean isWindows() {
      return SystemUtils.IS_OS_WINDOWS;
    }
  
    /**
     * @return true if current OS is MacOS
     */
    public static boolean isMacOS() {
      return SystemUtils.IS_OS_MAC_OSX;
    }
  
    /**
     * @return true if current OS is Linux
     */
    public static boolean isLinux() {
      return SystemUtils.IS_OS_LINUX;
    }
  
    /**
     * @return true if current OS is AIX
     */
    public static boolean isAIX() {
      return OSUtils.OS_NAME.equals("AIX");
    }
  
    private OSUtils() {} // prevent instantiation
  }
  