src/share/classes/javax/sound/sampled/AudioFileFormat.java

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 227      * Obtains the length of the audio data contained in the file, expressed in sample frames.
 228      * @return the number of sample frames of audio data in the file
 229      * @see AudioSystem#NOT_SPECIFIED
 230      */
 231     public int getFrameLength() {
 232         return frameLength;
 233     }
 234 
 235     /**
 236      * Obtain an unmodifiable map of properties.
 237      * The concept of properties is further explained in
 238      * the {@link AudioFileFormat class description}.
 239      *
 240      * @return a <code>Map&lt;String,Object&gt;</code> object containing
 241      *         all properties. If no properties are recognized, an empty map is
 242      *         returned.
 243      *
 244      * @see #getProperty(String)
 245      * @since 1.5
 246      */

 247     public Map<String,Object> properties() {
 248         Map<String,Object> ret;
 249         if (properties == null) {
 250             ret = new HashMap<String,Object>(0);
 251         } else {
 252             ret = (Map<String,Object>) (properties.clone());
 253         }
 254         return Collections.unmodifiableMap(ret);
 255     }
 256 
 257 
 258     /**
 259      * Obtain the property value specified by the key.
 260      * The concept of properties is further explained in
 261      * the {@link AudioFileFormat class description}.
 262      *
 263      * <p>If the specified property is not defined for a
 264      * particular file format, this method returns
 265      * <code>null</code>.
 266      *
 267      * @param key the key of the desired property
 268      * @return the value of the property with the specified key,
 269      *         or <code>null</code> if the property does not exist.
 270      *




 227      * Obtains the length of the audio data contained in the file, expressed in sample frames.
 228      * @return the number of sample frames of audio data in the file
 229      * @see AudioSystem#NOT_SPECIFIED
 230      */
 231     public int getFrameLength() {
 232         return frameLength;
 233     }
 234 
 235     /**
 236      * Obtain an unmodifiable map of properties.
 237      * The concept of properties is further explained in
 238      * the {@link AudioFileFormat class description}.
 239      *
 240      * @return a <code>Map&lt;String,Object&gt;</code> object containing
 241      *         all properties. If no properties are recognized, an empty map is
 242      *         returned.
 243      *
 244      * @see #getProperty(String)
 245      * @since 1.5
 246      */
 247     @SuppressWarnings("unchecked") // Cast of result of clone
 248     public Map<String,Object> properties() {
 249         Map<String,Object> ret;
 250         if (properties == null) {
 251             ret = new HashMap<>(0);
 252         } else {
 253             ret = (Map<String,Object>) (properties.clone());
 254         }
 255         return Collections.unmodifiableMap(ret);
 256     }
 257 
 258 
 259     /**
 260      * Obtain the property value specified by the key.
 261      * The concept of properties is further explained in
 262      * the {@link AudioFileFormat class description}.
 263      *
 264      * <p>If the specified property is not defined for a
 265      * particular file format, this method returns
 266      * <code>null</code>.
 267      *
 268      * @param key the key of the desired property
 269      * @return the value of the property with the specified key,
 270      *         or <code>null</code> if the property does not exist.
 271      *