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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/sound/sampled/spi/AudioFileWriter.java | |
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Diffstat (limited to 'libjava/classpath/javax/sound/sampled/spi/AudioFileWriter.java')
-rw-r--r-- | libjava/classpath/javax/sound/sampled/spi/AudioFileWriter.java | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/libjava/classpath/javax/sound/sampled/spi/AudioFileWriter.java b/libjava/classpath/javax/sound/sampled/spi/AudioFileWriter.java new file mode 100644 index 000000000..82f9b31b8 --- /dev/null +++ b/libjava/classpath/javax/sound/sampled/spi/AudioFileWriter.java @@ -0,0 +1,131 @@ +/* Audio file writer API + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.sound.sampled.spi; + +import java.io.File; +import java.io.IOException; +import java.io.OutputStream; + +import javax.sound.sampled.AudioFileFormat; +import javax.sound.sampled.AudioInputStream; + +/** + * This abstract class provides an API for writing audio files. Concrete + * subclasses implement the methods declared here. + * @since 1.3 + */ +public abstract class AudioFileWriter +{ + /** + * Creat a new audio file writer. + */ + public AudioFileWriter() + { + } + + /** + * Return an array of all audio file format types supported by this + * provider. + */ + public abstract AudioFileFormat.Type[] getAudioFileTypes(); + + /** + * Return an array of all the audio file format types supported by this + * provider, which can be written given the input stream. + * @param ais the audio input stream + */ + public abstract AudioFileFormat.Type[] getAudioFileTypes(AudioInputStream ais); + + /** + * Return true if the indicated type is supported by this provider. + * @param type the audio file format type + */ + public boolean isFileTypeSupported(AudioFileFormat.Type type) + { + AudioFileFormat.Type[] types = getAudioFileTypes(); + for (int i = 0; i < types.length; ++i) + { + if (type.equals(types[i])) + return true; + } + return false; + } + + /** + * Return true if the indicated type is supported by this provider, + * and can be written from the given audio input stream. + * @param type the audio file format type + * @param ais the audio input stream to write + */ + public boolean isFileTypeSupported(AudioFileFormat.Type type, + AudioInputStream ais) + { + AudioFileFormat.Type[] types = getAudioFileTypes(ais); + for (int i = 0; i < types.length; ++i) + { + if (type.equals(types[i])) + return true; + } + return false; + } + + /** + * Write audio data to a file. + * @param ais the audio input stream to write + * @param type the desired audio file format type + * @param out the file to write to + * @return the number of bytes written + * @throws IOException if an I/O error occurs when writing + */ + public abstract int write(AudioInputStream ais, AudioFileFormat.Type type, + File out) + throws IOException; + + /** + * Write audio data to an output stream. + * @param ais the audio input stream to write + * @param type the desired audio file format type + * @param os the output stream + * @return the number of bytes written + * @throws IOException if an I/O error occurs when writing + */ + public abstract int write(AudioInputStream ais, AudioFileFormat.Type type, + OutputStream os) + throws IOException; +} |