| /* |
| * 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.weblogger.ui.rendering.velocity; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.roller.weblogger.WebloggerException; |
| import org.apache.roller.weblogger.pojos.Template; |
| import org.apache.roller.weblogger.pojos.TemplateRendition; |
| import org.apache.roller.weblogger.pojos.TemplateRendition.RenditionType; |
| import org.apache.roller.weblogger.pojos.TemplateRendition.TemplateLanguage; |
| import org.apache.roller.weblogger.ui.rendering.Renderer; |
| import org.apache.roller.weblogger.ui.rendering.RendererFactory; |
| import org.apache.roller.weblogger.ui.rendering.mobile.MobileDeviceRepository; |
| |
| |
| /** |
| * RendererFactory for Velocity, creates VelocityRenderers. |
| */ |
| public class VelocityRendererFactory implements RendererFactory { |
| private static Log log = LogFactory.getLog(VelocityRendererFactory.class); |
| |
| public Renderer getRenderer(Template template, |
| MobileDeviceRepository.DeviceType deviceType) { |
| Renderer renderer = null; |
| TemplateRendition tr; |
| |
| if (template == null || template.getId() == null) { |
| return null; |
| } |
| |
| // nothing we can do with null values |
| try { |
| tr = template.getTemplateRendition(RenditionType.STANDARD); |
| } catch (WebloggerException e) { |
| return null; |
| } |
| |
| if (tr == null) { |
| return null; |
| } |
| |
| if (TemplateLanguage.VELOCITY.equals(tr.getTemplateLanguage())) { |
| // standard velocity template |
| try { |
| renderer = new VelocityRenderer(template, deviceType); |
| } catch(Exception ex) { |
| log.error("ERROR creating VelocityRenderer", ex); |
| // some kind of exception so we don't have a renderer |
| // we do catching/logging in VelocityRenderer constructor |
| return null; |
| } |
| } |
| return renderer; |
| } |
| } |