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- /* ========================================================================
- * JCommon : a free general purpose class library for the Java(tm) platform
- * ========================================================================
- *
- * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
- *
- * Project Info: http://www.jfree.org/jcommon/index.html
- *
- * This library 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 library 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 library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- *
- * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
- * in the United States and other countries.]
- *
- * ------------------------
- * ExtensionFileFilter.java
- * ------------------------
- * (C) Copyright 2000-2004, by Object Refinery Limited.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * $Id: FilesystemFilter.java,v 1.6 2008/09/10 09:26:11 mungady Exp $
- *
- * Changes (from 26-Oct-2001)
- * --------------------------
- * 01-Jun-2005 : Updated javadoc.
- */
- package org.jfree.ui;
- import java.io.File;
- import java.io.FilenameFilter;
- import javax.swing.filechooser.FileFilter;
- /**
- * A filesystem filter.
- *
- * @author David Gilbert
- */
- public class FilesystemFilter extends FileFilter implements FilenameFilter {
- /** The file extension, which should be accepted. */
- private String[] fileext;
- /** The filter description. */
- private String descr;
- /** A flag indicating whether to accept directories. */
- private boolean accDirs;
- /**
- * Creates a new filter.
- *
- * @param fileext the file extension.
- * @param descr the description.
- */
- public FilesystemFilter(final String fileext, final String descr) {
- this(fileext, descr, true);
- }
- /**
- * Creates a new filter.
- *
- * @param fileext the file extension.
- * @param descr the description.
- * @param accDirs accept directories?
- */
- public FilesystemFilter(final String fileext, final String descr,
- final boolean accDirs) {
- this(new String[]{fileext}, descr, accDirs);
- }
- /**
- * Creates a new filter.
- *
- * @param fileext the file extension.
- * @param descr the description.
- * @param accDirs accept directories?
- * @throws NullPointerException if the file extensions are null.
- */
- public FilesystemFilter(final String[] fileext, final String descr,
- final boolean accDirs) {
- this.fileext = (String[]) fileext.clone();
- this.descr = descr;
- this.accDirs = accDirs;
- }
- /**
- * Returns <code>true</code> if the file is accepted, and <code>false</code> otherwise.
- *
- * @param dir the directory.
- * @param name the file name.
- * @return A boolean.
- */
- public boolean accept(final File dir, final String name) {
- final File f = new File(dir, name);
- if (f.isDirectory() && acceptsDirectories()) {
- return true;
- }
- for (int i = 0; i < this.fileext.length; i++) {
- if (name.endsWith(this.fileext[i])) {
- return true;
- }
- }
- return false;
- }
- /**
- * Returns <code>true</code> if the specified file matches the requirements of this
- * filter, and <code>false</code> otherwise.
- *
- * @param dir the file or directory.
- * @return A boolean.
- */
- public boolean accept(final File dir) {
- if (dir.isDirectory() && acceptsDirectories()) {
- return true;
- }
- for (int i = 0; i < this.fileext.length; i++) {
- if (dir.getName().endsWith(this.fileext[i])) {
- return true;
- }
- }
- return false;
- }
- /**
- * Returns the filter description.
- *
- * @return The filter description.
- */
- public String getDescription() {
- return this.descr;
- }
- /**
- * Sets the flag that controls whether or not the filter accepts directories.
- *
- * @param b a boolean.
- */
- public void acceptDirectories(final boolean b) {
- this.accDirs = b;
- }
- /**
- * Returns the flag that indicates whether or not the filter accepts directories.
- *
- * @return A boolean.
- */
- public boolean acceptsDirectories() {
- return this.accDirs;
- }
- }
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