pre-wicket.1.2.5/wicket-examples/src/main/java/wicket/examples/compref/NonBookmarkablePage.java

/*
 * $Id$ $Revision$ $Date$
 * 
 * ==================================================================== 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 wicket.examples.compref;

import wicket.markup.html.WebPage;
import wicket.markup.html.link.PageLink;

/**
 * Example page that cannot be bookmarked. A page is bookmarkable when it has a
 * public default constructor and/or a constructor with a
 * {@link wicket.PageParameters} argument.
 * 
 * @author Eelco Hillenius
 */
public class NonBookmarkablePage extends WebPage
{
	/**
	 * Constructor.
	 * 
	 * @param referer
	 *            the refering page
	 */
	public NonBookmarkablePage(final WebPage referer)
	{
		if (referer == null)
		{
			throw new IllegalArgumentException("Argument referer must not be null");
		}

		// Add a link to navigate back to the refering page. We now use the
		// PageLink
		// constructor with the Page instance argument, because we allready have
		// a page instance
		// at our disposal
		add(new PageLink("navigateBackLink", referer));

		// Note that this would have had the same effect
		//
		// add(new Link("navigateBackLink")
		// {
		// public void onClick()
		// {
		// setResponsePage(referer);
		// }
		// });
	}
}