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Pax Wicket Service is an OSGi extension of the Wicket framework, allowing for dynamic loading and unloading of Wicket components and pageSources.

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/*
 * 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.apache.wicket.util.lang;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.wicket.model.IModel;

/**
 * Generics related utilities
 * 
 * @author igor.vaynberg
 */
public class Generics
{
	private Generics()
	{

	}

	/**
	 * Silences generics warning when need to cast iterator types
	 * 
	 * @param 
	 * @param delegate
	 * @return delegate iterator cast to proper generics type
	 */
	@SuppressWarnings("unchecked")
	public static  Iterator iterator(Iterator delegate)
	{
		return (Iterator)delegate;
	}

	/**
	 * Supresses generics warning when converting model types
	 * 
	 * @param 
	 * @param model
	 * @return model
	 */
	@SuppressWarnings("unchecked")
	public static  IModel model(IModel model)
	{
		return (IModel)model;
	}

	/**
	 * Creates a new HashMap
	 * 
	 * @param 
	 * @param 
	 * @return new hash map
	 */
	public static  HashMap newHashMap()
	{
		return new HashMap();
	}

	/**
	 * Creates a new HashMap
	 * 
	 * @param 
	 * @param 
	 * @param capacity
	 *            initial capacity
	 * @return new hash map
	 */
	public static  HashMap newHashMap(int capacity)
	{
		return new HashMap(capacity);
	}

	/**
	 * Creates a new ArrayList
	 * 
	 * @param 
	 * @param capacity
	 *            initial capacity
	 * @return array list
	 */
	public static  ArrayList newArrayList(int capacity)
	{
		return new ArrayList(capacity);
	}

	/**
	 * Creates a new ArrayList
	 * 
	 * @param 
	 * @return array list
	 */
	public static  ArrayList newArrayList()
	{
		return new ArrayList();
	}

	/**
	 * Creates a new ConcurrentHashMap
	 * 
	 * @param 
	 * @param 
	 * @return new hash map
	 */
	public static  ConcurrentHashMap newConcurrentHashMap()
	{
		return new ConcurrentHashMap();
	}

	/**
	 * Creates a new ConcurrentHashMap
	 * 
	 * @param 
	 * @param 
	 * @param initialCapacity
	 *            initial capacity
	 * @return new hash map
	 */
	public static  ConcurrentHashMap newConcurrentHashMap(int initialCapacity)
	{
		return new ConcurrentHashMap(initialCapacity);
	}


}