// Copyright 2004, 2005 The Apache Software Foundation
//
// 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 org.apache.tapestry.asset;
import java.util.List;
import org.apache.tapestry.event.ResetEventListener;
import org.apache.tapestry.util.RegexpMatcher;
/**
* Implementation of {@link ResourceMatcher}.
*
* @author jkuhnert
*/
public class ResourceMatcherImpl implements ResetEventListener, ResourceMatcher {
/** regexp matcher engine. */
protected RegexpMatcher _matcher;
/** Resource match configuration regexp strings. */
protected List _contributions;
/** no args constructor. */
public ResourceMatcherImpl() { }
/**
* Invoked by hivemind by default to initialize
* service.
*/
public void initializeService()
{
_matcher = new RegexpMatcher();
}
/**
* {@inheritDoc}
*/
public synchronized void resetEventDidOccur()
{
_matcher.clear();
}
/**
* {@inheritDoc}
*/
public boolean containsResource(String path)
{
if (_contributions == null || _contributions.size() < 1)
return false;
for (int i = 0; i < _contributions.size(); i++) {
String pattern = (String)_contributions.get(i);
if (_matcher.contains(pattern, path))
return true;
}
return false;
}
/**
* The set of contributed regexp strings that will positively
* match incoming path strings for this matcher.
* @param contributions
*/
public void setContributions(List contributions)
{
this._contributions = contributions;
}
}