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This project is simply a unified way of including common JS libraries within Wicket so that you don't have to bundle them in your application, and they aren't deployed with dozens of jars that may use them, but they are deployed in only one.

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/**
 * Copyright (C) 2008 Jeremy Thomerson 
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.jslibraries;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;

import org.wicketstuff.jslibraries.util.Assert;

public enum Library
{

	DOJO, EXT_CORE, JQUERY, JQUERY_UI, MOOTOOLS_CORE, MOOTOOLS_MORE, PROTOTYPE, SCRIPTACULOUS, SWFOBJECT, YUI;

	static
	{
		LibraryData.registerLibs();
	}
	private final Map> providerInfo = new HashMap>();

	static void register(final Library lib, final Provider provider, final int[]... versions)
	{
		Assert.parameterNotNull(lib, "lib");
		Assert.parameterNotNull(provider, "provider");
		Assert.parameterNotNull(versions, "versions");

		lib.register(provider, versions);
	}

	private void register(final Provider provider, final int[]... versions)
	{
		Assert.parameterNotNull(provider, "provider");
		Assert.parameterNotNull(versions, "versions");

		SortedSet versionsAvailable = providerInfo.get(provider);
		if (versionsAvailable == null)
		{
			versionsAvailable = new TreeSet();
			providerInfo.put(provider, versionsAvailable);
		}
		for (int[] version : versions)
		{
			Version v = new Version(version);
			versionsAvailable.add(v);
		}
	}

	@SuppressWarnings("unchecked")
	public Set getVersions(final Provider provider)
	{
		Assert.parameterNotNull(provider, "provider");

		SortedSet sortedSet = providerInfo.get(provider);
		if (sortedSet == null)
		{
			return Collections.EMPTY_SET;
		}
		return sortedSet;
	}
}