Environment information. : Toolkit « Development Class « Java

1. Java
2. Development Class
3. Toolkit

Environment information.

        
//package edu.northwestern.at.utils;

/*  Please see the license information at the end of this file. */

import java.awt.GraphicsEnvironment;
import java.awt.Toolkit;
import java.awt.event.InputEvent;

/**
 * Environment information.
 */

public class Env {

  /** The operating system. */

  public static final String OSNAME = System.getProperty("os.name");

  /** True if running on Mac OS X. */

  public static final boolean MACOSX = System.getProperty("os.name").equals(
      "Mac OS X");

  /** True if running on some version of MS Windows. */

  public static final boolean WINDOWSOS = System.getProperty("os.name")
      .toLowerCase().startsWith("windows");

  /** True if running Java 2 level 1.3 or later. */

  public static final boolean IS_JAVA_13_OR_LATER = System.getProperty(
      "java.version").compareTo("1.3") >= 0;

  /** True if running Java 2 level 1.4 or later. */

  public static final boolean IS_JAVA_14_OR_LATER = System.getProperty(
      "java.version").compareTo("1.4") >= 0;

  /** True if running Java 2 level 1.4.2 or later. */

  public static final boolean IS_JAVA_142_OR_LATER = System.getProperty(
      "java.version").compareTo("1.4.2") >= 0;

  /** True if running Java 2 level 1.5 or later. */

  public static final boolean IS_JAVA_15_OR_LATER = System.getProperty(
      "java.version").compareTo("1.5") >= 0;

  /** True if running Java 2 level 1.6 or later. */

  public static final boolean IS_JAVA_16_OR_LATER = System.getProperty(
      "java.version").compareTo("1.6") >= 0;

  /** True if running Java 2 level 1.7 or later. */

  public static final boolean IS_JAVA_17_OR_LATER = System.getProperty(
      "java.version").compareTo("1.7") >= 0;

  /** Menu shortcut key mask. */

  public static int MENU_SHORTCUT_KEY_MASK;

  /** Menu shortcut key mask with shift key. */

  public static int MENU_SHORTCUT_SHIFT_KEY_MASK;

  /** Line separator. */

  public static final String LINE_SEPARATOR = System
      .getProperty("line.separator");

  static {
    // Do not initialize keyboard settings
    // if we are running headless.

    try {
      GraphicsEnvironment ge = GraphicsEnvironment
          .getLocalGraphicsEnvironment();

      if (!ge.isHeadless()) {
        MENU_SHORTCUT_KEY_MASK = Toolkit.getDefaultToolkit()
            .getMenuShortcutKeyMask();

        MENU_SHORTCUT_SHIFT_KEY_MASK = MENU_SHORTCUT_KEY_MASK
            + InputEvent.SHIFT_MASK;
      } else {
        MENU_SHORTCUT_KEY_MASK = 0;
        MENU_SHORTCUT_SHIFT_KEY_MASK = 0;
      }
    } catch (Exception e) {
    }
  }

  /** Don't allow instantiation, do allow overrides. */

  protected Env() {
  }
}

/*
 * Copyright (c) 2008, 2009 by Northwestern University. All rights reserved.
 * 
 * Developed by: Academic and Research Technologies Northwestern University
 * http://www.it.northwestern.edu/about/departments/at/
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * with the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimers.
 * 
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimers in the documentation
 * and/or other materials provided with the distribution.
 * 
 * Neither the names of Academic and Research Technologies, Northwestern
 * University, nor the names of its contributors may be used to endorse or
 * promote products derived from this Software without specific prior written
 * permission.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH
 * THE SOFTWARE.
 */

   
    
    
    
    
    
    
    
  

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