/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE
 * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  If applicable,
 * add the following below this CDDL HEADER, with the fields enclosed
 * by brackets "[]" replaced with your own identifying information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2006-2008 Sun Microsystems, Inc.
 */

package org.opends.quicksetup.util;

import java.io.File;

import javax.swing.filechooser.FileFilter;

/**
 * This is a class used to be able to filter on certain type of files
 * in the File Browser dialog.
 *
 */
public class ExtensionFileFilter extends FileFilter
{
  private String extension;

  private String description;

  /**
   * The ExtensionFiter constructor.
   * @param extension the extension of the file we want to filter on.
   * @param description the description for the extension.
   */
  public ExtensionFileFilter(String extension, String description)
  {
    this.extension = extension;
    this.description = description;
  }

  /**
   * {@inheritDoc}
   */
  public boolean accept(File f)
  {
    boolean accept = false;
    if (f != null)
    {
      if (f.isDirectory())
      {
        accept = true;
      } else if (Utils.isWindows())
      {
        accept =
            f.getName().toLowerCase().endsWith("." + extension.toLowerCase());
      } else
      {
        accept = f.getName().endsWith("." + extension);
      }
    }
    return accept;
  }

  /**
   * {@inheritDoc}
   */
  public String getDescription()
  {
    return description;
  }
}