Source for gnu.java.lang.management.OperatingSystemMXBeanImpl

   1: /* OperatingSystemMXBeanImpl.java - Implementation of an operating system bean
   2:    Copyright (C) 2006 Free Software Foundation
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package gnu.java.lang.management;
  39: 
  40: import java.lang.management.OperatingSystemMXBean;
  41: 
  42: import javax.management.NotCompliantMBeanException;
  43: 
  44: /**
  45:  * Provides access to information about the underlying operating
  46:  * system.
  47:  *
  48:  * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
  49:  * @since 1.5
  50:  */
  51: public final class OperatingSystemMXBeanImpl
  52:   extends BeanImpl
  53:   implements OperatingSystemMXBean
  54: {
  55: 
  56:   /**
  57:    * Constructs a new <code>OperatingSystemMXBeanImpl</code>.
  58:    *
  59:    * @throws NotCompliantMBeanException if this class doesn't implement
  60:    *                                    the interface or a method appears
  61:    *                                    in the interface that doesn't comply
  62:    *                                    with the naming conventions.
  63:    */
  64:   public OperatingSystemMXBeanImpl()
  65:     throws NotCompliantMBeanException
  66:   {
  67:     super(OperatingSystemMXBean.class);
  68:   }
  69: 
  70:   public String getArch()
  71:   {
  72:     return System.getProperty("os.arch");
  73:   }
  74: 
  75:   public int getAvailableProcessors()
  76:   {
  77:     return Runtime.getRuntime().availableProcessors();
  78:   }
  79: 
  80:   public String getName()
  81:   {
  82:     return System.getProperty("os.name");
  83:   }
  84: 
  85:   public double getSystemLoadAverage()
  86:   {
  87:     return VMOperatingSystemMXBeanImpl.getSystemLoadAverage();
  88:   }
  89: 
  90:   public String getVersion()
  91:   {
  92:     return System.getProperty("os.version");
  93:   }
  94: 
  95: }