Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
BasicRendererFactory |
|
| 1.75;1.75 |
1 | /* | |
2 | * $Id: BasicRendererFactory.java 1306435 2012-03-28 15:39:11Z nlebas $ | |
3 | * | |
4 | * Licensed to the Apache Software Foundation (ASF) under one | |
5 | * or more contributor license agreements. See the NOTICE file | |
6 | * distributed with this work for additional information | |
7 | * regarding copyright ownership. The ASF licenses this file | |
8 | * to you under the Apache License, Version 2.0 (the | |
9 | * "License"); you may not use this file except in compliance | |
10 | * with the License. You may obtain a copy of the License at | |
11 | * | |
12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
13 | * | |
14 | * Unless required by applicable law or agreed to in writing, | |
15 | * software distributed under the License is distributed on an | |
16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
17 | * KIND, either express or implied. See the License for the | |
18 | * specific language governing permissions and limitations | |
19 | * under the License. | |
20 | */ | |
21 | package org.apache.tiles.request.render; | |
22 | ||
23 | import java.util.HashMap; | |
24 | import java.util.Map; | |
25 | ||
26 | ||
27 | /** | |
28 | * Basic renderer factory implementation. | |
29 | * | |
30 | * @version $Rev: 1306435 $ $Date: 2012-03-29 02:39:11 +1100 (Thu, 29 Mar 2012) $ | |
31 | */ | |
32 | public class BasicRendererFactory implements RendererFactory { | |
33 | ||
34 | /** | |
35 | * The renderer name/renderer map. | |
36 | */ | |
37 | protected Map<String, Renderer> renderers; | |
38 | ||
39 | /** | |
40 | * The default renderer. | |
41 | */ | |
42 | protected Renderer defaultRenderer; | |
43 | ||
44 | /** | |
45 | * Constructor. | |
46 | */ | |
47 | 3 | public BasicRendererFactory() { |
48 | 3 | renderers = new HashMap<String, Renderer>(); |
49 | 3 | } |
50 | ||
51 | /** {@inheritDoc} */ | |
52 | public Renderer getRenderer(String name) { | |
53 | Renderer retValue; | |
54 | 5 | if (name != null) { |
55 | 4 | retValue = renderers.get(name); |
56 | 4 | if (retValue == null) { |
57 | 1 | throw new NoSuchRendererException("Cannot find a renderer named '" + name + "'"); |
58 | } | |
59 | } else { | |
60 | 1 | retValue = defaultRenderer; |
61 | } | |
62 | ||
63 | 4 | return retValue; |
64 | } | |
65 | ||
66 | /** | |
67 | * Sets the default renderer. | |
68 | * | |
69 | * @param renderer The default renderer. | |
70 | */ | |
71 | public void setDefaultRenderer(Renderer renderer) { | |
72 | 2 | this.defaultRenderer = renderer; |
73 | 2 | } |
74 | ||
75 | /** | |
76 | * Registers a renderer. | |
77 | * | |
78 | * @param name The name of the renderer. | |
79 | * @param renderer The renderer to register. | |
80 | */ | |
81 | public void registerRenderer(String name, Renderer renderer) { | |
82 | 6 | renderers.put(name, renderer); |
83 | 6 | } |
84 | } |