1 /**
2 * This file Copyright (c) 2003-2011 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.module.blossom.render;
35
36 import java.util.Locale;
37 import java.util.Map;
38 import java.util.Stack;
39
40 import info.magnolia.rendering.context.RenderingContext;
41
42 /**
43 * Maintains a thread local stack of details that are needed during rendering but can't be passed as method arguments
44 * through the Magnolia render chain. Used by renderers and views.
45 *
46 * @since 1.0
47 */
48 public class RenderContext {
49
50 private static ThreadLocal<Stack<RenderContext>> stack = new ThreadLocal<Stack<RenderContext>>();
51
52 public static RenderContext push() {
53 RenderContext context = new RenderContext();
54 Stack<RenderContext> s = stack.get();
55 if (s == null) {
56 s = new Stack<RenderContext>();
57 stack.set(s);
58 }
59 s.push(context);
60 return context;
61 }
62
63 public static void pop() {
64 Stack<RenderContext> s = stack.get();
65 if (s != null) {
66 s.pop();
67 }
68 }
69
70 public static RenderContext get() {
71 Stack<RenderContext> s = stack.get();
72 if (s == null || s.isEmpty()) {
73 throw new IllegalStateException();
74 }
75 return s.peek();
76 }
77
78 private RenderingContext renderingContext;
79 private Map<String, Object> contextObjects;
80 private Map model;
81 private Locale locale;
82 private String templateScript;
83
84 public RenderingContext getRenderingContext() {
85 return renderingContext;
86 }
87
88 public void setRenderingContext(RenderingContext renderingContext) {
89 this.renderingContext = renderingContext;
90 }
91
92 public Map<String, Object> getContextObjects() {
93 return contextObjects;
94 }
95
96 public void setContextObjects(Map<String, Object> contextObjects) {
97 this.contextObjects = contextObjects;
98 }
99
100 public Map getModel() {
101 return model;
102 }
103
104 public void setModel(Map model) {
105 this.model = model;
106 }
107
108 public Locale getLocale() {
109 return locale;
110 }
111
112 public void setLocale(Locale locale) {
113 this.locale = locale;
114 }
115
116 public String getTemplateScript() {
117 return templateScript;
118 }
119
120 public void setTemplateScript(String templateScript) {
121 this.templateScript = templateScript;
122 }
123 }