/*
* 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.examples.resourcedecoration;
import org.apache.wicket.Application;
import org.apache.wicket.markup.head.ResourceAggregator;
import org.apache.wicket.markup.head.filter.JavaScriptFilteredIntoFooterHeaderResponse;
import org.apache.wicket.markup.html.IHeaderResponseDecorator;
import org.apache.wicket.protocol.http.WebApplication;
import org.apache.wicket.request.resource.CssResourceReference;
/**
* An application showing how to return several resources into a single http response.
*
* <p>
* The key is to register a custom {@link IHeaderResponseDecorator} via
* {@link Application#setHeaderResponseDecorator(IHeaderResponseDecorator)} that will intercept all
* resource contributions.
*
* @author jthomerson
*/
public class ResourceDecorationApplication extends WebApplication
{
@Override
protected void init()
{
super.init();
getResourceBundles().addCssBundle(ResourceDecorationApplication.class, "css-bundle.css",
new CssResourceReference(HomePage.class, "footer.css"),
new CssResourceReference(HomePage.class, "header.css"));
setHeaderResponseDecorator(response -> {
// use this header resource decorator to load all JavaScript resources in the page
// footer (after </body>)
return new ResourceAggregator(new JavaScriptFilteredIntoFooterHeaderResponse(response, "footerJS"));
});
}
@Override
public Class<HomePage> getHomePage()
{
return HomePage.class;
}
public static ResourceDecorationApplication get()
{
return (ResourceDecorationApplication)WebApplication.get();
}
}