Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
FreemarkerRendererBuilder |
|
| 1.6;1.6 |
1 | /* | |
2 | * $Id: FreemarkerRendererBuilder.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.freemarker.render; | |
22 | ||
23 | import java.util.HashMap; | |
24 | import java.util.Map; | |
25 | ||
26 | import javax.servlet.ServletException; | |
27 | ||
28 | import org.apache.tiles.request.ApplicationContext; | |
29 | import org.apache.tiles.request.freemarker.FreemarkerRequestException; | |
30 | ||
31 | /** | |
32 | * Builds instances of {@link FreemarkerRenderer}. | |
33 | * | |
34 | * @version $Rev: 1306435 $ $Date: 2012-03-29 02:39:11 +1100 (Thu, 29 Mar 2012) $ | |
35 | */ | |
36 | public final class FreemarkerRendererBuilder { | |
37 | ||
38 | /** | |
39 | * The initialization parameters. | |
40 | */ | |
41 | 5 | private Map<String, String> params = new HashMap<String, String>(); |
42 | ||
43 | /** | |
44 | * The application context. | |
45 | */ | |
46 | private ApplicationContext applicationContext; | |
47 | ||
48 | /** | |
49 | * Constructor. | |
50 | */ | |
51 | 5 | private FreemarkerRendererBuilder() { |
52 | 5 | } |
53 | ||
54 | /** | |
55 | * Creates a new instance of this class. | |
56 | * | |
57 | * @return A new instance of the builder. | |
58 | */ | |
59 | public static FreemarkerRendererBuilder createInstance() { | |
60 | 5 | return new FreemarkerRendererBuilder(); |
61 | } | |
62 | ||
63 | /** | |
64 | * Sets a parameter for the internal servlet. | |
65 | * | |
66 | * @param key The name of the parameter. | |
67 | * @param value The value of the parameter. | |
68 | * @return This object. | |
69 | */ | |
70 | public FreemarkerRendererBuilder setParameter(String key, String value) { | |
71 | 30 | params.put(key, value); |
72 | 30 | return this; |
73 | } | |
74 | ||
75 | /** | |
76 | * Sets the application context. | |
77 | * | |
78 | * @param applicationContext The application context. | |
79 | * @return This object. | |
80 | */ | |
81 | public FreemarkerRendererBuilder setApplicationContext(ApplicationContext applicationContext) { | |
82 | 5 | this.applicationContext = applicationContext; |
83 | 5 | return this; |
84 | } | |
85 | ||
86 | /** | |
87 | * Creates a new {@link FreemarkerRenderer} with the given configuration. | |
88 | * | |
89 | * @return A new Freemarker renderer. | |
90 | */ | |
91 | public FreemarkerRenderer build() { | |
92 | 5 | AttributeValueFreemarkerServlet servlet = new AttributeValueFreemarkerServlet(); |
93 | try { | |
94 | 5 | servlet.init(new InitParamsServletConfig(params, applicationContext)); |
95 | 5 | return new FreemarkerRenderer(servlet); |
96 | 0 | } catch (ServletException e) { |
97 | 0 | throw new FreemarkerRequestException( |
98 | "Cannot initialize internal servlet", e); | |
99 | } | |
100 | ||
101 | } | |
102 | ||
103 | } |