org.springframework.faces.ui.ResourceGroupRenderer Maven / Gradle / Ivy
/*
* Copyright 2004-2008 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.springframework.faces.ui;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.render.Renderer;
import org.springframework.faces.ui.resource.ResourceHelper;
/**
* {@link Renderer} for the {@code } tag.
*
*
* This render outputs a specially formatted Javascript or CSS include that requests multiple resources with one HTTP
* request.
*
*
* @author Jeremy Grelle
*
* TODO - Make this work with Javacript resources
*/
public class ResourceGroupRenderer extends Renderer {
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
if (component.getChildCount() > 0) {
ResourceHelper.beginCombineStyles(context);
}
}
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
if (component.getChildCount() > 0) {
ResourceHelper.endCombineStyles(context);
}
}
}