1 /*
2 * Copyright 2007-2013 smartics, Kronseder & Reiner GmbH
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package de.smartics.exceptions.i18n.message;
17
18 import java.util.Locale;
19
20 /**
21 * Helper to render the messages of an exception in a structured multi-line
22 * text.
23 */
24 class SingleLineTextHandler extends AbstractTextHandler
25 {
26 // ********************************* Fields *********************************
27
28 // --- constants ------------------------------------------------------------
29
30 // --- members --------------------------------------------------------------
31
32 /**
33 * The flag that adds all information to the exception text (
34 * <code>true</code>) or only the summary (<code>false</code>).
35 */
36 private final boolean standard;
37
38 // ****************************** Initializer *******************************
39
40 // ****************************** Constructors ******************************
41
42 /**
43 * Default constructor.
44 *
45 * @param bundleBaseName the fully qualified base name of the bundle to use.
46 * @param resourceKey the localization key to fetch messages from message
47 * bundles.
48 * @param standard the flag that adds all information to the exception text (
49 * <code>true</code>) or only the summary (<code>false</code>).
50 */
51 public SingleLineTextHandler(final String bundleBaseName,
52 final String resourceKey, final boolean standard)
53 {
54 super(bundleBaseName, resourceKey);
55 this.standard = standard;
56 }
57
58 // ****************************** Inner Classes *****************************
59
60 // ********************************* Methods ********************************
61
62 // --- init -----------------------------------------------------------------
63
64 // --- get&set --------------------------------------------------------------
65
66 // --- business -------------------------------------------------------------
67
68 /**
69 * Returns the structured and localized message for the given locale,
70 * returning each part of information that is provided.
71 *
72 * @param bean the throwable to construct the localized message.
73 * @param locale the locale for which the message is requested.
74 * @param loader the loader to read the message bundle.
75 * @return returns the localized message of this exception.
76 */
77 public String getMessage(final Object bean, final Locale locale,
78 final ClassLoader loader)
79 {
80 final StringBuilder buffer = new StringBuilder();
81 if (standard)
82 {
83 final String message =
84 getLocalizedMessage(bean, resourceKey, locale,
85 MessageType.TITLE, loader);
86 buffer.append(message).append(' ');
87 }
88
89 final String summaryMessage =
90 getLocalizedMessage(bean, resourceKey, locale,
91 MessageType.SUMMARY, loader);
92 buffer.append(summaryMessage).append(' ');
93
94 if (standard)
95 {
96 final String message =
97 getLocalizedMessage(bean, resourceKey, locale,
98 MessageType.DETAILS, loader);
99 buffer.append(message);
100 }
101
102 return buffer.toString();
103 }
104
105 // --- object basics --------------------------------------------------------
106
107 }