src/share/classes/javax/sound/midi/MidiFileFormat.java

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   1 /*
   2  * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 256 
 257     /**
 258      * Obtain an unmodifiable map of properties.
 259      * The concept of properties is further explained in
 260      * the {@link MidiFileFormat class description}.
 261      *
 262      * @return a <code>Map&lt;String,Object&gt;</code> object containing
 263      *         all properties. If no properties are recognized, an empty map is
 264      *         returned.
 265      *
 266      * @see #getProperty(String)
 267      * @since 1.5
 268      */
 269     public Map<String,Object> properties() {
 270         Map<String,Object> ret;
 271         if (properties == null) {
 272             ret = new HashMap<String,Object>(0);
 273         } else {
 274             ret = (Map<String,Object>) (properties.clone());
 275         }
 276         return (Map<String,Object>) Collections.unmodifiableMap(ret);
 277     }
 278 
 279 
 280     /**
 281      * Obtain the property value specified by the key.
 282      * The concept of properties is further explained in
 283      * the {@link MidiFileFormat class description}.
 284      *
 285      * <p>If the specified property is not defined for a
 286      * particular file format, this method returns
 287      * <code>null</code>.
 288      *
 289      * @param key the key of the desired property
 290      * @return the value of the property with the specified key,
 291      *         or <code>null</code> if the property does not exist.
 292      *
 293      * @see #properties()
 294      * @since 1.5
 295      */
 296     public Object getProperty(String key) {
   1 /*
   2  * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 256 
 257     /**
 258      * Obtain an unmodifiable map of properties.
 259      * The concept of properties is further explained in
 260      * the {@link MidiFileFormat class description}.
 261      *
 262      * @return a <code>Map&lt;String,Object&gt;</code> object containing
 263      *         all properties. If no properties are recognized, an empty map is
 264      *         returned.
 265      *
 266      * @see #getProperty(String)
 267      * @since 1.5
 268      */
 269     public Map<String,Object> properties() {
 270         Map<String,Object> ret;
 271         if (properties == null) {
 272             ret = new HashMap<String,Object>(0);
 273         } else {
 274             ret = (Map<String,Object>) (properties.clone());
 275         }
 276         return Collections.unmodifiableMap(ret);
 277     }
 278 
 279 
 280     /**
 281      * Obtain the property value specified by the key.
 282      * The concept of properties is further explained in
 283      * the {@link MidiFileFormat class description}.
 284      *
 285      * <p>If the specified property is not defined for a
 286      * particular file format, this method returns
 287      * <code>null</code>.
 288      *
 289      * @param key the key of the desired property
 290      * @return the value of the property with the specified key,
 291      *         or <code>null</code> if the property does not exist.
 292      *
 293      * @see #properties()
 294      * @since 1.5
 295      */
 296     public Object getProperty(String key) {