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src/java.desktop/share/classes/javax/sound/midi/spi/MidiFileWriter.java

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   1 /*
   2  * Copyright (c) 1999, 2015, 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


  37  * {@link Sequence} object.
  38  *
  39  * @author Kara Kytle
  40  * @since 1.3
  41  */
  42 public abstract class MidiFileWriter {
  43 
  44     /**
  45      * Obtains the set of MIDI file types for which file writing support is
  46      * provided by this file writer.
  47      *
  48      * @return array of file types. If no file types are supported, an array of
  49      *         length 0 is returned.
  50      */
  51     public abstract int[] getMidiFileTypes();
  52 
  53     /**
  54      * Obtains the file types that this file writer can write from the sequence
  55      * specified.
  56      *
  57      * @param  sequence the sequence for which MIDI file type support is
  58      *         queried
  59      * @return array of file types. If no file types are supported, returns an
  60      *         array of length 0.
  61      * @throws NullPointerException if {@code sequence} is {@code null}
  62      */
  63     public abstract int[] getMidiFileTypes(Sequence sequence);
  64 
  65     /**
  66      * Indicates whether file writing support for the specified MIDI file type
  67      * is provided by this file writer.
  68      *
  69      * @param  fileType the file type for which write capabilities are queried
  70      * @return {@code true} if the file type is supported, otherwise
  71      *         {@code false}
  72      */
  73     public boolean isFileTypeSupported(int fileType) {
  74 
  75         int types[] = getMidiFileTypes();
  76         for(int i=0; i<types.length; i++) {
  77             if( fileType == types[i] ) {
  78                 return true;


   1 /*
   2  * Copyright (c) 1999, 2017, 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


  37  * {@link Sequence} object.
  38  *
  39  * @author Kara Kytle
  40  * @since 1.3
  41  */
  42 public abstract class MidiFileWriter {
  43 
  44     /**
  45      * Obtains the set of MIDI file types for which file writing support is
  46      * provided by this file writer.
  47      *
  48      * @return array of file types. If no file types are supported, an array of
  49      *         length 0 is returned.
  50      */
  51     public abstract int[] getMidiFileTypes();
  52 
  53     /**
  54      * Obtains the file types that this file writer can write from the sequence
  55      * specified.
  56      *
  57      * @param  sequence the sequence for which MIDI file type support is queried

  58      * @return array of file types. If no file types are supported, returns an
  59      *         array of length 0.
  60      * @throws NullPointerException if {@code sequence} is {@code null}
  61      */
  62     public abstract int[] getMidiFileTypes(Sequence sequence);
  63 
  64     /**
  65      * Indicates whether file writing support for the specified MIDI file type
  66      * is provided by this file writer.
  67      *
  68      * @param  fileType the file type for which write capabilities are queried
  69      * @return {@code true} if the file type is supported, otherwise
  70      *         {@code false}
  71      */
  72     public boolean isFileTypeSupported(int fileType) {
  73 
  74         int types[] = getMidiFileTypes();
  75         for(int i=0; i<types.length; i++) {
  76             if( fileType == types[i] ) {
  77                 return true;


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