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1   /**
2    * This file Copyright (c) 2003-2010 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.cms.gui.controlx.impl;
35  
36  import info.magnolia.cms.gui.controlx.RenderKit;
37  import info.magnolia.cms.gui.controlx.Renderer;
38  
39  import java.util.HashMap;
40  import java.util.Map;
41  
42  import org.apache.commons.collections.Factory;
43  import org.apache.commons.collections.MapUtils;
44  
45  
46  /**
47   * If a not registered render type is passed a TemplatedRenderer instance is returned.
48   * @author Philipp Bracher
49   * @version $Revision: 32667 $ ($Author: gjoseph $)
50   */
51  public class RenderKitImpl implements RenderKit {
52  
53      /**
54       * The renderers registered.
55       */
56      protected Map renderers;
57  
58      /**
59       * Init the layzy map.
60       */
61      public RenderKitImpl() {
62          renderers = MapUtils.lazyMap(new HashMap(), new Factory() {
63  
64              public Object create() {
65                  return new TemplatedRenderer();
66              }
67          });
68      }
69  
70      /**
71       * @see info.magnolia.cms.gui.controlx.RenderKit#register(java.lang.String, info.magnolia.cms.gui.controlx.Renderer)
72       */
73      public void register(String type, Renderer renderer) {
74          this.renderers.put(type, renderer);
75      }
76  
77      /**
78       * @see info.magnolia.cms.gui.controlx.RenderKit#getRenderer(java.lang.String)
79       */
80      public Renderer getRenderer(String type) {
81          // using the lazy map
82          return (Renderer) this.renderers.get(type);
83      }
84  
85  }