/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2008 J. Chris Folsom
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.izforge.izpack.gui;
import com.izforge.izpack.LocaleDatabase;
import com.izforge.izpack.installer.ResourceManager;
import com.izforge.izpack.util.Debug;
import javax.swing.filechooser.FileFilter;
import java.io.File;
import java.io.InputStream;
/**
* Allows a file if it is a directory or if it ends with .xml. The description
* is set using the langpack id <b>FinishPanel.automated.dialog.filterdesc</b>
* <br />
* <br />
* <p/>
* Note:
* <p/>
* This file could be replaced in java 1.6 by
* javax.swing.filechooser.FileNameExtensionFilter, although loading the value
* from a lang pack would have to use an external reference, so it may be better
* to keep this class since it has the language pack logic encapsulated.
*
* @author J. Chris Folsom <jchrisfolsom@gmail.com>
*/
public class AutomatedInstallScriptFilter extends FileFilter
{
/**
* The default description for the file filter if it cannot be loaded from
* the LocaleDatabase.
*/
public static final String DEFAULT_DESCRIPTION = "XML Files";
/**
* This key will be used to search the locale database for the description
* to display. If it cannot be found the default value will be used.
*/
public static final String DESCRIPTION_LOCALE_DATABASE_KEY = "FinishPanel.auto.dialog.filterdesc";
/*
* (non-Javadoc)
*
* @see java.io.FileFilter#accept(java.io.File)
*/
public boolean accept(File pathname)
{
/*
* Return true only if the file is a directory or ends with ".xml"
*/
return pathname != null
&& (pathname.isDirectory() || pathname.getName().endsWith(
".xml"));
}
/**
*
*/
public String getDescription()
{
// Load the lang pack using the current locale
ResourceManager resourceManager = ResourceManager.getInstance();
String locale = resourceManager.getLocale();
String description = null;
try
{
//All of this will be changed to a few lines of code after the locale database refactor.
InputStream in = this.getClass().getResourceAsStream(
"/langpacks/" + locale + ".xml");
LocaleDatabase langpack = new LocaleDatabase(in);
description = langpack.getString(DESCRIPTION_LOCALE_DATABASE_KEY);
}
catch (Exception e)
{
/*
* We'll just log the exception if something happens and provide the
* default value.
*/
Debug.log(e);
}
if (description == null)
{
description = DEFAULT_DESCRIPTION;
}
return description;
}
}