RetroZilla/extensions/java/xpcom/interfaces/GREVersionRange.java

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Java XPCOM Bindings.
 *
 * The Initial Developer of the Original Code is
 * IBM Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2005
 * IBM Corporation. All Rights Reserved.
 *
 * Contributor(s):
 *   Javier Pedemonte (jhpedemonte@gmail.com)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

package org.mozilla.xpcom;


public class GREVersionRange {

  private String lower;
  private boolean lowerInclusive;
  private String upper;
  private boolean upperInclusive;

  public GREVersionRange(String aLower, boolean aLowerInclusive,
                         String aUpper, boolean aUpperInclusive) {
    lower = aLower;
    lowerInclusive = aLowerInclusive;
    upper = aUpper;
    upperInclusive = aUpperInclusive;
  }

  public boolean check(String aVersion) {
    VersionComparator comparator = new VersionComparator();
    int c = comparator.compare(aVersion, lower);
    if (c < 0) {
      return false;
    }

    if (c == 0 && !lowerInclusive) {
      return false;
    }

    c = comparator.compare(aVersion, upper);
    if (c > 0) {
      return false;
    }

    if (c == 0 && !upperInclusive) {
      return false;
    }

    return true;
  }

}