Java tutorial
/** * Copyright (C) 2010 Asterios Raptis * * 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.jaulp.wicket.base.mainbase; import java.util.Set; import net.sourceforge.jaulp.io.annotations.ImportResource; import net.sourceforge.jaulp.io.annotations.ImportResources; import org.apache.wicket.markup.head.CssHeaderItem; import org.apache.wicket.markup.head.CssReferenceHeaderItem; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.JavaScriptHeaderItem; import org.apache.wicket.markup.head.JavaScriptReferenceHeaderItem; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.request.resource.CssResourceReference; import org.apache.wicket.request.resource.JavaScriptResourceReference; import org.jaulp.wicket.PackageResourceReferenceWrapper; import org.jaulp.wicket.PackageResourceReferences; import org.jaulp.wicket.base.BasePage; import org.jaulp.wicket.base.enums.ResourceReferenceType; /** * The Class BasePage. * * @author Asterios Raptis */ @ImportResources(resources = { @ImportResource(resourceName = "BaseMainPage.js", resourceType = "js"), @ImportResource(resourceName = "BaseMainPage.css", resourceType = "css") }) public abstract class BaseMainPage extends BasePage { /** * The serialVersionUID. */ private static final long serialVersionUID = 1L; /** * Instantiates a new base page. */ public BaseMainPage() { super(); } /** * Instantiates a new base page. * * @param parameters * the parameters */ public BaseMainPage(final PageParameters parameters) { super(parameters); } /** * {@inheritDoc} */ @Override public void renderHead(IHeaderResponse response) { Set<PackageResourceReferenceWrapper> headerContributors = PackageResourceReferences.getInstance() .getPackageResourceReference(BaseMainPage.class); if (null != headerContributors && !headerContributors.isEmpty()) { for (final PackageResourceReferenceWrapper packageResourceReference : headerContributors) { if (packageResourceReference.getType().equals(ResourceReferenceType.JS)) { JavaScriptResourceReference reference = new JavaScriptResourceReference(BaseMainPage.class, packageResourceReference.getPackageResourceReference().getName()); if (!response.wasRendered(reference)) { JavaScriptReferenceHeaderItem headerItem = JavaScriptHeaderItem.forReference(reference); response.render(headerItem); } } if (packageResourceReference.getType().equals(ResourceReferenceType.CSS)) { CssResourceReference reference = new CssResourceReference(BaseMainPage.class, packageResourceReference.getPackageResourceReference().getName()); if (!response.wasRendered(reference)) { CssReferenceHeaderItem headerItem = CssHeaderItem.forReference(reference); response.render(headerItem); } } } } } }