| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.workbench.ui.credentialmanager; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| /** |
| * File filter for filtering against various file extensions. |
| * |
| * @author Alexandra Nenadic |
| */ |
| public class CryptoFileFilter extends javax.swing.filechooser.FileFilter |
| { |
| /** Description of the filter */ |
| private String description; |
| |
| /** Array of file extensions to filter against */ |
| private ArrayList<String> exts = new ArrayList<String>(); |
| |
| /** |
| * Construct a CryptoFileFilter for a set of related file extensions. |
| * |
| * @param extList Array of file extensions |
| * @param sDescription Short collective description for the file extensions |
| */ |
| public CryptoFileFilter(String [] extList, String sDescription) |
| { |
| for (int i = 0; i < extList.length; i++) { |
| addType (extList[i]); |
| } |
| description = sDescription; |
| } |
| |
| private void addType(String s) { |
| exts.add(s); |
| } |
| |
| /** Return true if the given file is accepted by this filter. */ |
| public boolean accept(File f) |
| { |
| // Little trick: if you don't do this, only directory names |
| // ending in one of the extentions appear in the window. |
| if (f.isDirectory()) |
| { |
| return true; |
| } |
| else if (f.isFile()) |
| { |
| Iterator<String> it = exts.iterator(); |
| while (it.hasNext()) { |
| if (f.getName().toLowerCase().endsWith((String) it.next())) |
| return true; |
| } |
| } |
| // A file that didn't match. |
| return false; |
| } |
| |
| /** Set the printable description of this filter. */ |
| public void setDescription(String s) { |
| description = s; |
| } |
| |
| /** Return the printable description of this filter. */ |
| public String getDescription() { |
| return description; |
| } |
| } |