de.alpharogroup.wicket.base.mainbase.ApplicationBasePage.java Source code

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Here is the source code for de.alpharogroup.wicket.base.mainbase.ApplicationBasePage.java

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/**
 * 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 de.alpharogroup.wicket.base.mainbase;

import java.util.Set;

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 de.alpharogroup.io.annotations.ImportResource;
import de.alpharogroup.io.annotations.ImportResources;
import de.alpharogroup.wicket.PackageResourceReferenceWrapper;
import de.alpharogroup.wicket.PackageResourceReferences;
import de.alpharogroup.wicket.base.BasePage;
import de.alpharogroup.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 ApplicationBasePage extends BasePage {

    /**
     * The serialVersionUID.
     */
    private static final long serialVersionUID = 1L;

    /**
     * Instantiates a new base page.
     */
    public ApplicationBasePage() {
        super();
    }

    /**
     * Instantiates a new base page.
     * 
     * @param parameters
     *            the parameters
     */
    public ApplicationBasePage(final PageParameters parameters) {
        super(parameters);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void renderHead(final IHeaderResponse response) {
        super.renderHead(response);
        final Set<PackageResourceReferenceWrapper> headerContributors = PackageResourceReferences.getInstance()
                .getPackageResourceReference(ApplicationBasePage.class);
        if (null != headerContributors && !headerContributors.isEmpty()) {
            for (final PackageResourceReferenceWrapper packageResourceReference : headerContributors) {
                if (packageResourceReference.getType().equals(ResourceReferenceType.JS)) {
                    final JavaScriptResourceReference reference = new JavaScriptResourceReference(
                            ApplicationBasePage.class,
                            packageResourceReference.getPackageResourceReference().getName());
                    if (!response.wasRendered(reference)) {
                        final JavaScriptReferenceHeaderItem headerItem = JavaScriptHeaderItem
                                .forReference(reference);
                        response.render(headerItem);
                    }
                }
                if (packageResourceReference.getType().equals(ResourceReferenceType.CSS)) {
                    final CssResourceReference reference = new CssResourceReference(ApplicationBasePage.class,
                            packageResourceReference.getPackageResourceReference().getName());
                    if (!response.wasRendered(reference)) {
                        final CssReferenceHeaderItem headerItem = CssHeaderItem.forReference(reference);
                        response.render(headerItem);
                    }
                }
            }
        }
    }

}