/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.ajax4jsf.renderkit;
import java.util.LinkedHashSet;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import org.ajax4jsf.component.UIResource;
import org.ajax4jsf.resource.InternetResource;
/**
* @author shura
*
*/
public class LoadResourceRendererBase extends RendererBase implements UserResourceRenderer {
private static final String SCRIPT_COMPONENT_FAMILY="org.ajax4jsf.LoadScript";
private static final String STYLE_COMPONENT_FAMILY="org.ajax4jsf.LoadStyle";
/* (non-Javadoc)
* @see org.ajax4jsf.renderkit.HeaderResourceProducer#getHeaderScripts(javax.faces.context.FacesContext, javax.faces.component.UIComponent)
*/
public LinkedHashSet getHeaderScripts(FacesContext context, UIComponent component) {
UIResource resource = (UIResource) component;
if (SCRIPT_COMPONENT_FAMILY.equals(resource.getFamily())) {
return getResources(context, resource);
}
return null;
}
/* (non-Javadoc)
* @see org.ajax4jsf.renderkit.HeaderResourceProducer#getHeaderStyles(javax.faces.context.FacesContext, javax.faces.component.UIComponent)
*/
public LinkedHashSet getHeaderStyles(FacesContext context, UIComponent component) {
UIResource resource = (UIResource) component;
if (STYLE_COMPONENT_FAMILY.equals(resource.getFamily())) {
return getResources(context, resource);
}
return null;
}
/* (non-Javadoc)
* @see org.ajax4jsf.renderkit.RendererBase#getComponentClass()
*/
protected Class getComponentClass() {
return UIResource.class;
}
private LinkedHashSet getResources(FacesContext context, UIResource resource) {
Object src = resource.getSrc();
if(null == src){
throw new FacesException("Source for resource is null for component "+resource.getClientId(context));
}
LinkedHashSet set = new LinkedHashSet(1);
String uri = null ;
if(src instanceof InternetResource){
uri=((InternetResource)src).getUri(context, resource);
} else {
// Process as ordinary url, same as for h:graphicsImage.
if(resource.isRendered()){
uri=context.getApplication().getViewHandler().
getResourceURL(context, src.toString());
uri=context.getExternalContext().encodeResourceURL(uri);
}
}
if (uri != null) {
set.add(uri);
}
return set;
}
}