Mega Code Archive
A suffix based file filter
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/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
import java.io.File;
import java.io.FileFilter;
/**
* A <em>suffix</em> based file filter.
*
* @version <tt>$Revision: 1958 $</tt>
* @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
*/
public class FileSuffixFilter implements FileFilter {
/** A list of suffixes which files must have to be accepted. */
protected final String suffixes[];
/** Flag to signal that we want to ignore the case. */
protected final boolean ignoreCase;
/**
* Construct a <tt>FileSuffixFilter</tt>.
*
* @param suffixes
* A list of suffixes which files mut have to be accepted.
* @param ignoreCase
* <tt>True</tt> if the filter should be case-insensitive.
*/
public FileSuffixFilter(final String suffixes[], final boolean ignoreCase) {
this.ignoreCase = ignoreCase;
if (ignoreCase) {
this.suffixes = new String[suffixes.length];
for (int i = 0; i < suffixes.length; i++) {
this.suffixes[i] = suffixes[i].toLowerCase();
}
} else {
this.suffixes = suffixes;
}
}
/**
* Construct a <tt>FileSuffixFilter</tt>.
*
* @param suffixes
* A list of suffixes which files mut have to be accepted.
*/
public FileSuffixFilter(final String suffixes[]) {
this(suffixes, false);
}
/**
* Construct a <tt>FileSuffixFilter</tt>.
*
* @param suffix
* The suffix which files must have to be accepted.
* @param ignoreCase
* <tt>True</tt> if the filter should be case-insensitive.
*/
public FileSuffixFilter(final String suffix, final boolean ignoreCase) {
this(new String[] { suffix }, ignoreCase);
}
/**
* Construct a case sensitive <tt>FileSuffixFilter</tt>.
*
* @param suffix
* The suffix which files must have to be accepted.
*/
public FileSuffixFilter(final String suffix) {
this(suffix, false);
}
/**
* Check if a file is acceptible.
*
* @param file
* The file to check.
* @return <tt>true</tt> if the file is acceptable.
*/
public boolean accept(final File file) {
boolean success = false;
for (int i = 0; i < suffixes.length && !success; i++) {
if (ignoreCase)
success = file.getName().toLowerCase().endsWith(suffixes[i]);
else
success = file.getName().endsWith(suffixes[i]);
}
return success;
}
}
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