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+/* MidiFilerReader.java -- MIDI file reading services
+ 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.midi.spi;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+
+import javax.sound.midi.InvalidMidiDataException;
+import javax.sound.midi.MidiFileFormat;
+import javax.sound.midi.Sequence;
+
+/**
+ * The MidiFileReader abstract class defines the methods to be provided
+ * by a MIDI file reader.
+ *
+ * @author Anthony Green (green@redhat.com)
+ * @since 1.3
+ *
+ */
+public abstract class MidiFileReader
+{
+ /**
+ * Read a MidiFileFormat from the given stream.
+ *
+ * @param stream the stream from which to read the MIDI data
+ * @return the MidiFileFormat object
+ * @throws InvalidMidiDataException if the stream refers to invalid data
+ * @throws IOException if an I/O exception occurs while reading
+ */
+ public abstract MidiFileFormat getMidiFileFormat(InputStream stream)
+ throws InvalidMidiDataException, IOException;
+
+ /**
+ * Read a MidiFileFormat from the given stream.
+ *
+ * @param url the url from which to read the MIDI data
+ * @return the MidiFileFormat object
+ * @throws InvalidMidiDataException if the url refers to invalid data
+ * @throws IOException if an I/O exception occurs while reading
+ */
+ public abstract MidiFileFormat getMidiFileFormat(URL url)
+ throws InvalidMidiDataException, IOException;
+
+ /**
+ * Read a MidiFileFormat from the given stream.
+ *
+ * @param file the file from which to read the MIDI data
+ * @return the MidiFileFormat object
+ * @throws InvalidMidiDataException if the file refers to invalid data
+ * @throws IOException if an I/O exception occurs while reading
+ */
+ public abstract MidiFileFormat getMidiFileFormat(File file)
+ throws InvalidMidiDataException, IOException;
+
+ /**
+ * Read a Sequence from the given stream.
+ *
+ * @param stream the stream from which to read the MIDI data
+ * @return the Sequence object
+ * @throws InvalidMidiDataException if the stream refers to invalid data
+ * @throws IOException if an I/O exception occurs while reading
+ */
+ public abstract Sequence getSequence(InputStream stream)
+ throws InvalidMidiDataException, IOException;
+
+ /**
+ * Read a Sequence from the given stream.
+ *
+ * @param url the url from which to read the MIDI data
+ * @return the Sequence object
+ * @throws InvalidMidiDataException if the url refers to invalid data
+ * @throws IOException if an I/O exception occurs while reading
+ */
+ public abstract Sequence getSequence(URL url)
+ throws InvalidMidiDataException, IOException;
+
+ /**
+ * Read a Sequence from the given stream.
+ *
+ * @param file the file from which to read the MIDI data
+ * @return the Sequence object
+ * @throws InvalidMidiDataException if the file refers to invalid data
+ * @throws IOException if an I/O exception occurs while reading
+ */
+ public abstract Sequence getSequence(File file)
+ throws InvalidMidiDataException, IOException;
+}