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Wicket is a Java web application framework that takes simplicity, separation of concerns and ease of development to a whole new level. Wicket pages can be mocked up, previewed and later revised using standard WYSIWYG HTML design tools. Dynamic content processing and form handling is all handled in Java code using a first-class component model backed by POJO data beans that can easily be persisted using your favorite technology.

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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;

import org.apache.wicket.core.request.mapper.IMapperContext;
import org.apache.wicket.markup.MarkupParser;
import org.apache.wicket.page.IManageablePage;
import org.apache.wicket.request.component.IRequestablePage;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.request.resource.ResourceReferenceRegistry;

/**
 * Wicket's default implementation for the mapper context
 */
public class DefaultMapperContext implements IMapperContext
{
	private final Application application;

	/**
	 * Constructor.
	 *
	 * Uses the thread local Application
	 */
	public DefaultMapperContext()
	{
		this(Application.get());
	}

	/**
	 * Constructor.
	 *
	 * @param application
	 *      the application instance to use
	 */
	public DefaultMapperContext(final Application application)
	{
		this.application = application;
	}

	@Override
	public String getBookmarkableIdentifier()
	{
		return "bookmarkable";
	}

	@Override
	public String getNamespace()
	{
		return MarkupParser.WICKET;
	}

	@Override
	public String getPageIdentifier()
	{
		return "page";
	}

	@Override
	public String getResourceIdentifier()
	{
		return "resource";
	}

	@Override
	public ResourceReferenceRegistry getResourceReferenceRegistry()
	{
		return application.getResourceReferenceRegistry();
	}

	@Override
	public IRequestablePage newPageInstance(final Class pageClass,
		final PageParameters pageParameters)
	{
		if (pageParameters == null)
		{
			return application.getPageFactory().newPage(pageClass);
		}
		else
		{
			return application.getPageFactory().newPage(pageClass, pageParameters);
		}
	}

	@Override
	public IRequestablePage getPageInstance(final int pageId)
	{
		IManageablePage manageablePage = Session.get().getPageManager().getPage(pageId);
		IRequestablePage requestablePage = null;
		if (manageablePage instanceof IRequestablePage)
		{
			requestablePage = (IRequestablePage)manageablePage;
		}
		return requestablePage;
	}

	@Override
	public Class getHomePageClass()
	{
		return application.getHomePage();
	}
}