1 /**
2 * This file Copyright (c) 2011-2018 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.listeners.AbstractRenderingListener.RenderingListenerReturnCode;
38 import info.magnolia.rendering.template.RenderableDefinition;
39
40 import java.util.Collection;
41 import java.util.Map;
42
43 import javax.jcr.Node;
44 import javax.servlet.http.HttpServletResponse;
45
46 /**
47 * The RenderingEngine is the main entry point for rendering content. It's main task is to prepare for rendering by
48 * setting up the {@link RenderingContext} and then calling on a {@link info.magnolia.rendering.renderer.Renderer} to
49 * do the actual rendering.
50 */
51 public interface RenderingEngine {
52
53 /**
54 * Renders the content with its assigned template. Uses {@link info.magnolia.rendering.template.assignment.TemplateDefinitionAssignment} to resolve the template assigned to the node.
55 *
56 * @param content the node to render
57 * @param out the OutputProvider to be used for output or null if the OutputProvider already set in RenderingContext should be used
58 */
59 void render(Node content, OutputProvider out) throws RenderException;
60
61 /**
62 * Renders the content with its assigned template and exposes the given context objects to the template script. Uses {@link info.magnolia.rendering.template.assignment.TemplateDefinitionAssignment} to resolve the template assigned
63 * to the node.
64 *
65 * @param content the node to render
66 * @param contextObjects objects to expose to the template script
67 * @param out the OutputProvider to be used for output or null if the OutputProvider already set in RenderingContext should be used
68 */
69 void render(Node content, Map<String, Object> contextObjects, OutputProvider out) throws RenderException;
70
71 /**
72 * Uses a specific {@link RenderableDefinition} to render the content and exposes the given context objects to the
73 * template script.
74 *
75 * @param content the node to render
76 * @param contextObjects objects to expose to the template script
77 * @param out the OutputProvider to be used for output or null if the OutputProvider already set in RenderingContext should be used
78 */
79 void render(Node content, RenderableDefinition definition, Map<String, Object> contextObjects, OutputProvider out) throws RenderException;
80
81 /**
82 * Returns the current {@link RenderingContext}.
83 * FIXME is this the right place? should we use IoC
84 */
85 public RenderingContext getRenderingContext();
86
87 /**
88 * Inits listeners.
89 * Should be called per request.
90 */
91 public Collection<RenderingListenerReturnCode> initListeners(OutputProvider out, HttpServletResponse response);
92
93 public Boolean getRenderEmptyAreas();
94
95 public Boolean getAutoPopulateFromRequest();
96
97 default Boolean getEscapeHtml() {
98 return true;
99 }
100 }