/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.roller.planet.ui.rendering.velocity;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.roller.planet.pojos.Template;
import org.apache.roller.planet.ui.rendering.Renderer;
import org.apache.roller.planet.ui.rendering.RendererFactory;
/**
* Velocity RendererFactory for Roller.
*/
public class VelocityRendererFactory implements RendererFactory {
private static Log log = LogFactory.getLog(VelocityRendererFactory.class);
public Renderer getRenderer(Template template) {
Renderer renderer = null;
// nothing we can do with null values
if(template.getTemplateLanguage() == null || template.getId() == null) {
return null;
}
if("velocity".equals(template.getTemplateLanguage())) {
// standard velocity template
try {
renderer = new VelocityRenderer(template);
} catch(Exception ex) {
// some kind of exception so we don't have a renderer
// we do catching/logging in VelocityRenderer constructor
return null;
}
}
return renderer;
}
}