/*
* 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.html.IHeaderResponse;
import org.apache.wicket.markup.html.IHeaderResponseDecorator;
import org.apache.wicket.markup.html.IPackageResourceGuard;
import org.apache.wicket.markup.html.SecurePackageResourceGuard;
import org.apache.wicket.protocol.http.WebApplication;
import org.apache.wicket.resource.filtering.JavaScriptFilteredIntoFooterHeaderResponse;
/**
* 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();
getSharedResources().add("merged-resources", new MergedResourcesResource());
setHeaderResponseDecorator(new IHeaderResponseDecorator()
{
public IHeaderResponse decorate(IHeaderResponse response)
{
// use grouping header response for the CSS resources, this way we can load several
// .css files in one http request. See HomePage#renderHead() header.css and
// footer.css
GroupingHeaderResponse groupingHeaderResponse = new GroupingHeaderResponse(response);
// use this header resource decorator to load all JavaScript resources in the page
// footer (after </body>)
JavaScriptFilteredIntoFooterHeaderResponse javaScriptFooterResponse = new JavaScriptFilteredIntoFooterHeaderResponse(
response, "footerJS");
// finally use one that delegates to the two above
return new GroupingAndFilteringHeaderResponse(groupingHeaderResponse,
javaScriptFooterResponse);
}
});
IPackageResourceGuard guard = getResourceSettings().getPackageResourceGuard();
if (guard instanceof SecurePackageResourceGuard)
{
SecurePackageResourceGuard secureGuard = (SecurePackageResourceGuard) guard;
secureGuard.addPattern("+org/apache/wicket/merged-resources");
}
}
@Override
public Class<HomePage> getHomePage()
{
return HomePage.class;
}
public static ResourceDecorationApplication get()
{
return (ResourceDecorationApplication)WebApplication.get();
}
}