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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.FilenameFilter;
/**
* A <em>prefix</em> based filename filter.
*
* @version <tt>$Revision: 1958 $</tt>
* @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
*/
public class FilenamePrefixFilter
implements FilenameFilter
{
/** The prefix which files must have to be accepted. */
protected final String prefix;
/** Flag to signal that we want to ignore the case. */
protected final boolean ignoreCase;
/**
* Construct a <tt>FilenamePrefixFilter</tt>.
*
* @param prefix The prefix which files must have to be accepted.
* @param ignoreCase <tt>True</tt> if the filter should be case-insensitive.
*/
public FilenamePrefixFilter(final String prefix,
final boolean ignoreCase)
{
this.ignoreCase = ignoreCase;
this.prefix = (ignoreCase ? prefix.toLowerCase() : prefix);
}
/**
* Construct a case sensitive <tt>FilenamePrefixFilter</tt>.
*
* @param prefix The prefix which files must have to be accepted.
*/
public FilenamePrefixFilter(final String prefix) {
this(prefix, false);
}
/**
* Check if a file is acceptible.
*
* @param dir The directory the file resides in.
* @param name The name of the file.
* @return <tt>true</tt> if the file is acceptable.
*/
public boolean accept(final File dir, final String name) {
if (ignoreCase) {
return name.toLowerCase().startsWith(prefix);
}
else {
return name.startsWith(prefix);
}
}
}
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