1 /** 2 * This file Copyright (c) 2011-2013 Magnolia International 3 * Ltd. (http://www.magnolia-cms.com). All rights reserved. 4 * 5 * 6 * This file is dual-licensed under both the Magnolia 7 * Network Agreement and the GNU General Public License. 8 * You may elect to use one or the other of these licenses. 9 * 10 * This file is distributed in the hope that it will be 11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the 12 * implied warranty of MERCHANTABILITY or FITNESS FOR A 13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. 14 * Redistribution, except as permitted by whichever of the GPL 15 * or MNA you select, is prohibited. 16 * 17 * 1. For the GPL license (GPL), you can redistribute and/or 18 * modify this file under the terms of the GNU General 19 * Public License, Version 3, as published by the Free Software 20 * Foundation. You should have received a copy of the GNU 21 * General Public License, Version 3 along with this program; 22 * if not, write to the Free Software Foundation, Inc., 51 23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 24 * 25 * 2. For the Magnolia Network Agreement (MNA), this file 26 * and the accompanying materials are made available under the 27 * terms of the MNA which accompanies this distribution, and 28 * is available at http://www.magnolia-cms.com/mna.html 29 * 30 * Any modifications to this file must keep this entire header 31 * intact. 32 * 33 */ 34 package info.magnolia.rendering.engine; 35 36 import info.magnolia.rendering.context.RenderingContext; 37 import info.magnolia.rendering.template.RenderableDefinition; 38 39 import java.util.Map; 40 41 import javax.jcr.Node; 42 43 44 /** 45 * The RenderingEngine is the main entry point for rendering content. It's main task is to prepare for rendering by 46 * setting up the {@link RenderingContext} and then calling on a {@link info.magnolia.rendering.renderer.Renderer} to 47 * do the actual rendering. 48 * 49 * @version $Id$ 50 */ 51 public interface RenderingEngine { 52 53 /** 54 * Renders the content with its assigned template. Uses {@link info.magnolia.rendering.template.assignment.TemplateDefinitionAssignment} 55 * to resolve the template assigned to the node. 56 * 57 * @param content the node to render 58 * @param out the OutputProvider to be used for output or null if the OutputProvider already set in RenderingContext should be used 59 */ 60 void render(Node content, OutputProvider out) throws RenderException; 61 62 /** 63 * Renders the content with its assigned template and exposes the given context objects to the template script. Uses 64 * {@link info.magnolia.rendering.template.assignment.TemplateDefinitionAssignment} to resolve the template assigned 65 * to the node. 66 * 67 * @param content the node to render 68 * @param contextObjects objects to expose to the template script 69 * @param out the OutputProvider to be used for output or null if the OutputProvider already set in RenderingContext should be used 70 */ 71 void render(Node content, Map<String, Object> contextObjects, OutputProvider out) throws RenderException; 72 73 /** 74 * Uses a specific {@link RenderableDefinition} to render the content and exposes the given context objects to the 75 * template script. 76 * 77 * @param content the node to render 78 * @param contextObjects objects to expose to the template script 79 * @param out the OutputProvider to be used for output or null if the OutputProvider already set in RenderingContext should be used 80 */ 81 void render(Node content, RenderableDefinition definition, Map<String, Object> contextObjects, OutputProvider out) throws RenderException; 82 83 /** 84 * Returns the current {@link RenderingContext}. 85 * FIXME is this the right place? should we use IoC 86 */ 87 public RenderingContext getRenderingContext(); 88 89 /** 90 * Inits listeners. 91 * Should be called per request. 92 */ 93 public void initListeners(OutputProvider out); 94 95 public Boolean getRenderEmptyAreas(); 96 97 public Boolean getAutoPopulateFromRequest(); 98 }