-/*
- * Copyright 2005-2010 the original author or authors.
- *
- * 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.wamblee.wicket.behavior;
-
-import javax.persistence.EntityManager;
-import javax.transaction.UserTransaction;
-
-import org.apache.wicket.IPageMap;
-import org.apache.wicket.PageParameters;
-import org.apache.wicket.markup.html.WebPage;
-import org.apache.wicket.model.IModel;
-import org.apache.wicket.protocol.http.WebResponse;
-
-/**
- * Base page for wicket applications that allows customization of various bahaviors of the
- * page. This page has no associated markup.
- *
- * The utility methods {@link #disableCaching()}, {@link #expireImmediately()},
- * and {@link #flushEntityManagerAfterRender(EntityManager)} are provide for quicly adding
- * behaviors. Alternatively, the method {@link #addBehavior(PageBehavior)} can be used.
- *
- * @author Erik Brakkee
- *
- */
-public class WebApplicationBasePage extends WebPage {
-
- private CompositePageBehavior behaviors;
-
- protected WebApplicationBasePage() {
- super();
- init();
- }
-
- protected WebApplicationBasePage(final IModel<?> model)
- {
- super(model);
- init();
- }
-
- protected WebApplicationBasePage(final IPageMap pageMap)
- {
- super(pageMap);
- init();
- }
-
- protected WebApplicationBasePage(final IPageMap pageMap, final IModel<?> model)
- {
- super(pageMap, model);
- init();
- }
-
- protected WebApplicationBasePage(final PageParameters parameters)
- {
- super(parameters);
- init();
- }
-
- protected WebApplicationBasePage(final IPageMap pageMap, final PageParameters parameters)
- {
- super(pageMap, parameters);
- init();
- }
-
- private void init() {
- behaviors = new CompositePageBehavior();
- }
-
- /**
- * Disables caching. This implies expiry of the page from the page map.
- */
- protected void disableCaching() {
- addBehavior(new DisableCachingBehavior());
- }
-
- /**
- * Expires the page immediately. Refresh in the browser will lead to an expired page.
- */
- protected void expireImmediately() {
- addBehavior(new ExpirePageImmediatelyBehavior());
- }
-
- /**
- * Flushes the entitymanager immedately after rendering to make sure that errors are
- * caught early.
- * @param aEntityManager Contextual reference to an entity manager.
- */
- protected void flushEntityManagerAfterRender(EntityManager aEntityManager) {
- addBehavior(new FlushEntityManagerBehavior(aEntityManager));
- }
-
- /**
- * Adds a specific behavior to the page.
- * @param aBehavior Behavior to add.
- */
- public void addBehavior(PageBehavior aBehavior) {
- behaviors.add(aBehavior);
- }
-
- @Override
- protected void onBeforeRender() {
- behaviors.onBeforeRender(this);
- super.onBeforeRender();
- }
-
- @Override
- protected void setHeaders(WebResponse aResponse) {
- super.setHeaders(aResponse);
- behaviors.setHeaders(this, aResponse);
- }
-
- @Override
- protected void onAfterRender() {
- super.onAfterRender();
- behaviors.onAfterRender(this);
- }
-}