com.sun.faces.renderkit.html_basic.BodyRenderer Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.renderkit.html_basic;
import java.io.IOException;
import java.util.ListIterator;
import javax.faces.component.UIComponent;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import com.sun.faces.renderkit.RenderKitUtils;
import com.sun.faces.renderkit.Attribute;
import com.sun.faces.renderkit.AttributeManager;
/**
* This Renderer is responsible for rendering
* the standard HTML body element as well as rendering any resources
* that should be output before the body tag is closed.
*/
public class BodyRenderer extends HtmlBasicRenderer {
private static final Attribute[] BODY_ATTRIBUTES =
AttributeManager.getAttributes(AttributeManager.Key.OUTPUTBODY);
@Override
public void decode(FacesContext context, UIComponent component) {
// no-op
}
/**
* Encode the beginning.
*
* @param context the Faces context.
* @param component the UI component.
* @throws IOException when an I/O error occurs.
*/
@Override
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("body", component);
writeIdAttributeIfNecessary(context, writer, component);
String styleClass = (String) component.getAttributes().get("styleClass");
if (styleClass != null && styleClass.length() != 0) {
writer.writeAttribute("class", styleClass, "styleClass");
}
RenderKitUtils.renderPassThruAttributes(context,
writer,
component,
BODY_ATTRIBUTES);
}
@Override
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException {
// no-op
}
@Override
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIViewRoot viewRoot = context.getViewRoot();
ListIterator iter = (viewRoot.getComponentResources(context, "body")).listIterator();
while (iter.hasNext()) {
UIComponent resource = (UIComponent)iter.next();
resource.encodeAll(context);
}
RenderKitUtils.renderUnhandledMessages(context);
writer.endElement("body");
}
/**
* Do we render our children.
*
* @return false.
*/
@Override
public boolean getRendersChildren() {
return false;
}
}