1 | // SECTION-START[License Header] |
2 | // <editor-fold defaultstate="collapsed" desc=" Generated License "> |
3 | /* |
4 | * Java Object Management and Configuration |
5 | * Copyright (C) Christian Schulte, 2011-313 |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * |
12 | * o Redistributions of source code must retain the above copyright |
13 | * notice, this list of conditions and the following disclaimer. |
14 | * |
15 | * o Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in |
17 | * the documentation and/or other materials provided with the |
18 | * distribution. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
21 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
22 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
23 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT, |
24 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
25 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
29 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | * |
31 | * $JOMC: RuntimeTexts.java 4795 2013-04-21 09:09:02Z schulte $ |
32 | * |
33 | */ |
34 | // </editor-fold> |
35 | // SECTION-END |
36 | package org.jomc.ri.model; |
37 | |
38 | import java.util.Locale; |
39 | import java.util.Map; |
40 | import javax.xml.bind.annotation.XmlTransient; |
41 | import org.jomc.model.Text; |
42 | import org.jomc.model.Texts; |
43 | import static org.jomc.ri.model.RuntimeModelObjects.createMap; |
44 | |
45 | // SECTION-START[Documentation] |
46 | // <editor-fold defaultstate="collapsed" desc=" Generated Documentation "> |
47 | /** |
48 | * Runtime {@code Texts}. |
49 | * |
50 | * <dl> |
51 | * <dt><b>Identifier:</b></dt><dd>org.jomc.ri.model.RuntimeTexts</dd> |
52 | * <dt><b>Name:</b></dt><dd>JOMC ⁑ RI ⁑ RuntimeTexts</dd> |
53 | * <dt><b>Specifications:</b></dt> |
54 | * <dd>org.jomc.ri.model.RuntimeModelObject @ 1.2</dd> |
55 | * <dt><b>Abstract:</b></dt><dd>No</dd> |
56 | * <dt><b>Final:</b></dt><dd>No</dd> |
57 | * <dt><b>Stateless:</b></dt><dd>No</dd> |
58 | * </dl> |
59 | * |
60 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> 1.2 |
61 | * @version 1.2 |
62 | */ |
63 | // </editor-fold> |
64 | // SECTION-END |
65 | // SECTION-START[Annotations] |
66 | // <editor-fold defaultstate="collapsed" desc=" Generated Annotations "> |
67 | @javax.annotation.Generated( value = "org.jomc.tools.SourceFileProcessor 1.5", comments = "See http://www.jomc.org/jomc/1.5/jomc-tools-1.5" ) |
68 | // </editor-fold> |
69 | // SECTION-END |
70 | public class RuntimeTexts extends Texts implements RuntimeModelObject |
71 | { |
72 | // SECTION-START[RuntimeTexts] |
73 | |
74 | /** Cache map. */ |
75 | @XmlTransient |
76 | private transient final Map<String, Text> textsByLanguageCache = createMap(); |
77 | |
78 | /** Cache map. */ |
79 | @XmlTransient |
80 | private transient final Map<Locale, Text> textsByLocaleCache = createMap(); |
81 | |
82 | /** |
83 | * Creates a new {@code RuntimeTexts} instance by deeply copying a given {@code Texts} instance. |
84 | * |
85 | * @param texts The instance to copy. |
86 | * |
87 | * @throws NullPointerException if {@code texts} is {@code null}. |
88 | */ |
89 | public RuntimeTexts( final Texts texts ) |
90 | { |
91 | super( texts ); |
92 | this.copyTexts(); |
93 | } |
94 | |
95 | /** |
96 | * Gets a text for a given language from the list of texts. |
97 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
98 | * cached result object is available, this method queries the super-class for a result object to return and caches |
99 | * the outcome of that query for use on successive calls.</p> |
100 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
101 | * state of the instance, should the state of the instance change.</p> |
102 | * |
103 | * @param language The language of the text to return. |
104 | * |
105 | * @return The first matching text or the default text, if no such text is found. |
106 | * |
107 | * @throws NullPointerException if {@code language} is {@code null}. |
108 | * |
109 | * @see #getText() |
110 | * @see #getDefaultLanguage() |
111 | * @see Text#getLanguage() |
112 | * @see #clear() |
113 | */ |
114 | @Override |
115 | public Text getText( final String language ) |
116 | { |
117 | if ( language == null ) |
118 | { |
119 | throw new NullPointerException( "language" ); |
120 | } |
121 | |
122 | synchronized ( this.textsByLanguageCache ) |
123 | { |
124 | Text t = this.textsByLanguageCache.get( language ); |
125 | |
126 | if ( t == null && !this.textsByLanguageCache.containsKey( language ) ) |
127 | { |
128 | t = super.getText( language ); |
129 | this.textsByLanguageCache.put( language, t ); |
130 | } |
131 | |
132 | return t; |
133 | } |
134 | } |
135 | |
136 | /** |
137 | * Gets a text for a given language from the list of texts. |
138 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
139 | * cached result object is available, this method queries the super-class for a result object to return and caches |
140 | * the outcome of that query for use on successive calls.</p> |
141 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
142 | * state of the instance, should the state of the instance change.</p> |
143 | * |
144 | * @param locale The locale of the text to return. |
145 | * |
146 | * @return The first matching text or the default text, if no such text is found. |
147 | * |
148 | * @throws NullPointerException if {@code locale} is {@code null}. |
149 | * |
150 | * @see #getText() |
151 | * @see #getDefaultLanguage() |
152 | * @see Text#getLanguage() |
153 | * @see #clear() |
154 | * |
155 | * @since 1.4 |
156 | */ |
157 | @Override |
158 | public Text getText( final Locale locale ) |
159 | { |
160 | if ( locale == null ) |
161 | { |
162 | throw new NullPointerException( "locale" ); |
163 | } |
164 | |
165 | synchronized ( this.textsByLocaleCache ) |
166 | { |
167 | Text t = this.textsByLocaleCache.get( locale ); |
168 | |
169 | if ( t == null && !this.textsByLocaleCache.containsKey( locale ) ) |
170 | { |
171 | t = super.getText( locale ); |
172 | this.textsByLocaleCache.put( locale, t ); |
173 | } |
174 | |
175 | return t; |
176 | } |
177 | } |
178 | |
179 | private void copyTexts() |
180 | { |
181 | for ( int i = 0, s0 = this.getText().size(); i < s0; i++ ) |
182 | { |
183 | final Text t = this.getText().get( i ); |
184 | this.getText().set( i, RuntimeModelObjects.getInstance().copyOf( t ) ); |
185 | } |
186 | } |
187 | |
188 | // SECTION-END |
189 | // SECTION-START[RuntimeModelObject] |
190 | public void gc() |
191 | { |
192 | this.gcOrClear( true, false ); |
193 | } |
194 | |
195 | public void clear() |
196 | { |
197 | synchronized ( this.textsByLanguageCache ) |
198 | { |
199 | this.textsByLanguageCache.clear(); |
200 | } |
201 | synchronized ( this.textsByLocaleCache ) |
202 | { |
203 | this.textsByLocaleCache.clear(); |
204 | } |
205 | |
206 | this.gcOrClear( false, true ); |
207 | } |
208 | |
209 | private void gcOrClear( final boolean gc, final boolean clear ) |
210 | { |
211 | this.gcOrClearTexts( gc, clear ); |
212 | } |
213 | |
214 | private void gcOrClearTexts( final boolean gc, final boolean clear ) |
215 | { |
216 | for ( int i = 0, s0 = this.getText().size(); i < s0; i++ ) |
217 | { |
218 | final Text t = this.getText().get( i ); |
219 | if ( t instanceof RuntimeModelObject ) |
220 | { |
221 | if ( gc ) |
222 | { |
223 | ( (RuntimeModelObject) t ).gc(); |
224 | } |
225 | if ( clear ) |
226 | { |
227 | ( (RuntimeModelObject) t ).clear(); |
228 | } |
229 | } |
230 | } |
231 | } |
232 | // SECTION-END |
233 | // SECTION-START[Constructors] |
234 | // <editor-fold defaultstate="collapsed" desc=" Generated Constructors "> |
235 | /** Creates a new {@code RuntimeTexts} instance. */ |
236 | @javax.annotation.Generated( value = "org.jomc.tools.SourceFileProcessor 1.5", comments = "See http://www.jomc.org/jomc/1.5/jomc-tools-1.5" ) |
237 | public RuntimeTexts() |
238 | { |
239 | // SECTION-START[Default Constructor] |
240 | super(); |
241 | // SECTION-END |
242 | } |
243 | // </editor-fold> |
244 | // SECTION-END |
245 | // SECTION-START[Dependencies] |
246 | // SECTION-END |
247 | // SECTION-START[Properties] |
248 | // SECTION-END |
249 | // SECTION-START[Messages] |
250 | // SECTION-END |
251 | } |