/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.resource.optimizer.resource.handler.impl;
import javax.faces.application.Resource;
import javax.faces.application.ResourceHandler;
import javax.faces.context.FacesContext;
import org.richfaces.resource.ResourceFactory;
import org.richfaces.resource.ResourceKey;
import org.richfaces.resource.ResourceRequestData;
import org.richfaces.resource.ResourceUtils;
/**
* @author Nick Belaevski
*
*/
public class DynamicResourceHandler extends AbstractResourceHandler {
private static final class ResourceRequestDataImpl implements ResourceRequestData {
private ResourceKey resourceKey;
private Object resourceData;
public ResourceRequestDataImpl(ResourceKey resourceKey, Object resourceData) {
super();
this.resourceKey = resourceKey;
this.resourceData = resourceData;
}
@Override
public String getResourceName() {
return resourceKey.getResourceName();
}
@Override
public String getLibraryName() {
return resourceKey.getLibraryName();
}
@Override
public Object getData() {
return resourceData;
}
@Override
public String getResourceKey() {
return resourceKey.toString();
}
@Override
public String getVersion() {
return null;
}
}
private ResourceFactory resourceFactory;
private ResourceHandler staticResourceHandler;
public DynamicResourceHandler(ResourceHandler staticResourceHandler, ResourceFactory resourceFactory) {
this.staticResourceHandler = staticResourceHandler;
this.resourceFactory = resourceFactory;
}
@Override
public Resource createResource(String resourceName, String libraryName, String contentType) {
ResourceKey resourceKey = new ResourceKey(resourceName, libraryName);
Resource result = resourceFactory.createResource(resourceName, libraryName, contentType);
if (result != null) {
FacesContext context = FacesContext.getCurrentInstance();
Object state = ResourceUtils.saveResourceState(context, result);
Resource newResource = resourceFactory.createResource(context, new ResourceRequestDataImpl(resourceKey, state));
if (newResource != null) {
result = new DynamicResourceWrapper(newResource);
}
}
if (result == null) {
result = staticResourceHandler.createResource(resourceName, libraryName, contentType);
}
return result;
}
}