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Resource merging for Apache Wicket (http://wicket.apache.org), see http://talk-on-tech.blogspot.com/2008/08/wicket-interface-speed-up-merging.html

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/**
 * Copyright 2010 Molindo GmbH
 *
 * 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.wicketstuff.mergedresources.util;

import java.util.ArrayList;

import org.apache.wicket.IRequestTarget;
import org.apache.wicket.request.target.coding.SharedResourceRequestTargetUrlCodingStrategy;
import org.apache.wicket.request.target.resource.ISharedResourceRequestTarget;

public final class MergedResourceRequestTargetUrlCodingStrategy extends SharedResourceRequestTargetUrlCodingStrategy {
	private final ArrayList _mergedKeys;

	public MergedResourceRequestTargetUrlCodingStrategy(String mountPath, String resourceKey,
			ArrayList mergedKeys) {
		super(mountPath, resourceKey);
		_mergedKeys = mergedKeys;
	}

	@Override
	public boolean matches(final IRequestTarget requestTarget) {
		if (requestTarget instanceof ISharedResourceRequestTarget) {
			final ISharedResourceRequestTarget target = (ISharedResourceRequestTarget) requestTarget;
			return super.matches(requestTarget) || _mergedKeys.contains(target.getResourceKey());
		} else {
			return false;
		}
	}
}