| 1 | /* | 
| 2 |  *   Copyright (C) Christian Schulte, 2005-206 | 
| 3 |  *   All rights reserved. | 
| 4 |  * | 
| 5 |  *   Redistribution and use in source and binary forms, with or without | 
| 6 |  *   modification, are permitted provided that the following conditions | 
| 7 |  *   are met: | 
| 8 |  * | 
| 9 |  *     o Redistributions of source code must retain the above copyright | 
| 10 |  *       notice, this list of conditions and the following disclaimer. | 
| 11 |  * | 
| 12 |  *     o Redistributions in binary form must reproduce the above copyright | 
| 13 |  *       notice, this list of conditions and the following disclaimer in | 
| 14 |  *       the documentation and/or other materials provided with the | 
| 15 |  *       distribution. | 
| 16 |  * | 
| 17 |  *   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | 
| 18 |  *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | 
| 19 |  *   AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | 
| 20 |  *   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT, | 
| 21 |  *   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | 
| 22 |  *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
| 23 |  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
| 24 |  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
| 25 |  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 
| 26 |  *   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
| 27 |  * | 
| 28 |  *   $JOMC: ResourceFileProcessorTask.java 4613 2012-09-22 10:07:08Z schulte $ | 
| 29 |  * | 
| 30 |  */ | 
| 31 | package org.jomc.ant; | 
| 32 |   | 
| 33 | import java.util.Locale; | 
| 34 | import org.apache.tools.ant.BuildException; | 
| 35 | import org.apache.tools.ant.Project; | 
| 36 | import org.jomc.tools.ResourceFileProcessor; | 
| 37 |   | 
| 38 | /** | 
| 39 |  * Base class for executing resource file processor based tasks. | 
| 40 |  * | 
| 41 |  * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> | 
| 42 |  * @version $JOMC: ResourceFileProcessorTask.java 4613 2012-09-22 10:07:08Z schulte $ | 
| 43 |  * @see #processResourceFiles() | 
| 44 |  */ | 
| 45 | public class ResourceFileProcessorTask extends JomcToolTask | 
| 46 | { | 
| 47 |   | 
| 48 |     /** The language of the default language properties file of generated resource bundle resources. */ | 
| 49 |     private String resourceBundleDefaultLanguage; | 
| 50 |   | 
| 51 |     /** Controls processing of resource files. */ | 
| 52 |     private boolean resourceProcessingEnabled = true; | 
| 53 |   | 
| 54 |     /** Class of the {@code ResourceFileProcessor} backing the task. */ | 
| 55 |     private Class<? extends ResourceFileProcessor> resourceFileProcessorClass; | 
| 56 |   | 
| 57 |     /** Creates a new {@code ResourceFileProcessorTask} instance. */ | 
| 58 |     public ResourceFileProcessorTask() | 
| 59 |     { | 
| 60 |         super(); | 
| 61 |     } | 
| 62 |   | 
| 63 |     /** | 
| 64 |      * Gets a flag indicating the processing of resources is enabled. | 
| 65 |      * | 
| 66 |      * @return {@code true}, if processing of resources is enabled; {@code false}, else. | 
| 67 |      * | 
| 68 |      * @see #setResourceProcessingEnabled(boolean) | 
| 69 |      */ | 
| 70 |     public final boolean isResourceProcessingEnabled() | 
| 71 |     { | 
| 72 |         return this.resourceProcessingEnabled; | 
| 73 |     } | 
| 74 |   | 
| 75 |     /** | 
| 76 |      * Sets the flag indicating the processing of resources is enabled. | 
| 77 |      * | 
| 78 |      * @param value {@code true}, to enable processing of resources; {@code false}, to disable processing of resources. | 
| 79 |      * | 
| 80 |      * @see #isResourceProcessingEnabled() | 
| 81 |      */ | 
| 82 |     public final void setResourceProcessingEnabled( final boolean value ) | 
| 83 |     { | 
| 84 |         this.resourceProcessingEnabled = value; | 
| 85 |     } | 
| 86 |   | 
| 87 |     /** | 
| 88 |      * Gets the language of the default language properties file of generated resource bundle resource files. | 
| 89 |      * | 
| 90 |      * @return The language of the default language properties file of generated resource bundle resource files or | 
| 91 |      * {@code null}. | 
| 92 |      * | 
| 93 |      * @see #setResourceBundleDefaultLanguage(java.lang.String) | 
| 94 |      */ | 
| 95 |     public final String getResourceBundleDefaultLanguage() | 
| 96 |     { | 
| 97 |         return this.resourceBundleDefaultLanguage; | 
| 98 |     } | 
| 99 |   | 
| 100 |     /** | 
| 101 |      * Sets the language of the default language properties file of generated resource bundle resource files. | 
| 102 |      * | 
| 103 |      * @param value The new language of the default language properties file of generated resource bundle resource files | 
| 104 |      * or {@code null}. | 
| 105 |      * | 
| 106 |      * @see #getResourceBundleDefaultLanguage() | 
| 107 |      */ | 
| 108 |     public final void setResourceBundleDefaultLanguage( final String value ) | 
| 109 |     { | 
| 110 |         this.resourceBundleDefaultLanguage = value; | 
| 111 |     } | 
| 112 |   | 
| 113 |     /** | 
| 114 |      * Gets the class of the {@code ResourceFileProcessor} backing the task. | 
| 115 |      * | 
| 116 |      * @return The class of the {@code ResourceFileProcessor} backing the task. | 
| 117 |      * | 
| 118 |      * @see #setResourceFileProcessorClass(java.lang.Class) | 
| 119 |      */ | 
| 120 |     public final Class<? extends ResourceFileProcessor> getResourceFileProcessorClass() | 
| 121 |     { | 
| 122 |         if ( this.resourceFileProcessorClass == null ) | 
| 123 |         { | 
| 124 |             this.resourceFileProcessorClass = ResourceFileProcessor.class; | 
| 125 |         } | 
| 126 |   | 
| 127 |         return this.resourceFileProcessorClass; | 
| 128 |     } | 
| 129 |   | 
| 130 |     /** | 
| 131 |      * Sets the class of the {@code ResourceFileProcessor} backing the task. | 
| 132 |      * | 
| 133 |      * @param value The new class of the {@code ResourceFileProcessor} backing the task or {@code null}. | 
| 134 |      * | 
| 135 |      * @see #getResourceFileProcessorClass() | 
| 136 |      */ | 
| 137 |     public final void setResourceFileProcessorClass( final Class<? extends ResourceFileProcessor> value ) | 
| 138 |     { | 
| 139 |         this.resourceFileProcessorClass = value; | 
| 140 |     } | 
| 141 |   | 
| 142 |     /** | 
| 143 |      * Creates a new {@code ResourceFileProcessor} instance setup using the properties of the instance. | 
| 144 |      * | 
| 145 |      * @return A new {@code ResourceFileProcessor} instance. | 
| 146 |      * | 
| 147 |      * @throws BuildException if creating a new {@code ResourceFileProcessor} instance fails. | 
| 148 |      * | 
| 149 |      * @see #getResourceFileProcessorClass() | 
| 150 |      * @see #configureResourceFileProcessor(org.jomc.tools.ResourceFileProcessor) | 
| 151 |      */ | 
| 152 |     public ResourceFileProcessor newResourceFileProcessor() throws BuildException | 
| 153 |     { | 
| 154 |         try | 
| 155 |         { | 
| 156 |             final ResourceFileProcessor resourceFileProcessor = this.getResourceFileProcessorClass().newInstance(); | 
| 157 |             this.configureResourceFileProcessor( resourceFileProcessor ); | 
| 158 |             return resourceFileProcessor; | 
| 159 |         } | 
| 160 |         catch ( final InstantiationException e ) | 
| 161 |         { | 
| 162 |             throw new BuildException( Messages.getMessage( "failedCreatingObject", | 
| 163 |                                                            this.getResourceFileProcessorClass().getName() ), | 
| 164 |                                       e, this.getLocation() ); | 
| 165 |   | 
| 166 |         } | 
| 167 |         catch ( final IllegalAccessException e ) | 
| 168 |         { | 
| 169 |             throw new BuildException( Messages.getMessage( "failedCreatingObject", | 
| 170 |                                                            this.getResourceFileProcessorClass().getName() ), | 
| 171 |                                       e, this.getLocation() ); | 
| 172 |   | 
| 173 |         } | 
| 174 |     } | 
| 175 |   | 
| 176 |     /** | 
| 177 |      * Configures a given {@code ResourceFileProcessor} instance using the properties of the instance. | 
| 178 |      * | 
| 179 |      * @param resourceFileProcessor The resource file processor to configure. | 
| 180 |      * | 
| 181 |      * @throws NullPointerException if {@code resourceFileProcessor} is {@code null}. | 
| 182 |      * @throws BuildException if configuring {@code resourceFileProcessor} fails. | 
| 183 |      * | 
| 184 |      * @see #configureJomcTool(org.jomc.tools.JomcTool) | 
| 185 |      */ | 
| 186 |     public void configureResourceFileProcessor( final ResourceFileProcessor resourceFileProcessor ) | 
| 187 |         throws BuildException | 
| 188 |     { | 
| 189 |         if ( resourceFileProcessor == null ) | 
| 190 |         { | 
| 191 |             throw new NullPointerException( "resourceFileProcessor" ); | 
| 192 |         } | 
| 193 |   | 
| 194 |         this.configureJomcTool( resourceFileProcessor ); | 
| 195 |   | 
| 196 |         if ( this.getResourceBundleDefaultLanguage() != null ) | 
| 197 |         { | 
| 198 |             resourceFileProcessor.setResourceBundleDefaultLocale( | 
| 199 |                 new Locale( this.getResourceBundleDefaultLanguage() ) ); | 
| 200 |   | 
| 201 |         } | 
| 202 |     } | 
| 203 |   | 
| 204 |     /** | 
| 205 |      * Calls the {@code processResourceFiles} method if resource processing is enabled. | 
| 206 |      * | 
| 207 |      * @throws BuildException if processing resource files fails. | 
| 208 |      * | 
| 209 |      * @see #processResourceFiles() | 
| 210 |      */ | 
| 211 |     @Override | 
| 212 |     public final void executeTask() throws BuildException | 
| 213 |     { | 
| 214 |         if ( this.isResourceProcessingEnabled() ) | 
| 215 |         { | 
| 216 |             this.processResourceFiles(); | 
| 217 |             this.log( Messages.getMessage( "resourceProcessingSuccess" ) ); | 
| 218 |         } | 
| 219 |         else | 
| 220 |         { | 
| 221 |             this.log( Messages.getMessage( "resourceProcessingDisabled" ) ); | 
| 222 |         } | 
| 223 |     } | 
| 224 |   | 
| 225 |     /** | 
| 226 |      * Processes resource files. | 
| 227 |      * | 
| 228 |      * @throws BuildException if processing resource files fails. | 
| 229 |      * | 
| 230 |      * @see #executeTask() | 
| 231 |      */ | 
| 232 |     public void processResourceFiles() throws BuildException | 
| 233 |     { | 
| 234 |         this.log( Messages.getMessage( "unimplementedTask", this.getClass().getName(), "processResourceFiles" ), | 
| 235 |                   Project.MSG_ERR ); | 
| 236 |   | 
| 237 |     } | 
| 238 |   | 
| 239 |     /** {@inheritDoc} */ | 
| 240 |     @Override | 
| 241 |     public ResourceFileProcessorTask clone() | 
| 242 |     { | 
| 243 |         return (ResourceFileProcessorTask) super.clone(); | 
| 244 |     } | 
| 245 |   | 
| 246 | } |