/* * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.media.sound; import java.io.File;import java.io.InputStream;import java.io.OutputStream;import java.io.IOException;import java.io.DataInputStream; import javax.sound.sampled.AudioFileFormat;import javax.sound.sampled.AudioInputStream;import javax.sound.sampled.spi.AudioFileWriter;    /** * Abstract File Writer class. * * @author Jan Borgersen */abstract class SunFileWriter extends AudioFileWriter {      // buffer size for write    protected static final int bufferSize = 16384;     // buffer size for temporary input streams    protected static final int bisBufferSize = 4096;      final AudioFileFormat.Type types[];      /**     * Constructs a new SunParser object.     */    SunFileWriter(AudioFileFormat.Type types[]) {        this.types = types;    }       // METHODS TO IMPLEMENT AudioFileWriter     // new, 10.27.99     public AudioFileFormat.Type[] getAudioFileTypes(){         AudioFileFormat.Type[] localArray = new AudioFileFormat.Type[types.length];        System.arraycopy(types, 0, localArray, 0, types.length);        return localArray;    }      public abstract AudioFileFormat.Type[] getAudioFileTypes(AudioInputStream stream);     public abstract int write(AudioInputStream stream, AudioFileFormat.Type fileType, OutputStream out) throws IOException;     public abstract int write(AudioInputStream stream, AudioFileFormat.Type fileType, File out) throws IOException;      // HELPER METHODS      /**     * rllong     * Protected helper method to read 64 bits and changing the order of     * each bytes.     * @param DataInputStream     * @return 32 bits swapped value.     * @exception IOException     */    protected int rllong(DataInputStream dis) throws IOException {         int b1, b2, b3, b4 ;        int i = 0;         i = dis.readInt();         b1 = ( i & 0xFF ) << 24 ;        b2 = ( i & 0xFF00 ) << 8;        b3 = ( i & 0xFF0000 ) >> 8;        b4 = ( i & 0xFF000000 ) >>> 24;         i = ( b1 | b2 | b3 | b4 );         return i;    }     /**     * big2little     * Protected helper method to swap the order of bytes in a 32 bit int     * @param int     * @return 32 bits swapped value     */    protected int big2little(int i) {         int b1, b2, b3, b4 ;         b1 = ( i & 0xFF ) << 24 ;        b2 = ( i & 0xFF00 ) << 8;        b3 = ( i & 0xFF0000 ) >> 8;        b4 = ( i & 0xFF000000 ) >>> 24;         i = ( b1 | b2 | b3 | b4 );         return i;    }     /**     * rlshort     * Protected helper method to read 16 bits value. Swap high with low byte.     * @param DataInputStream     * @return the swapped value.     * @exception IOException     */    protected short rlshort(DataInputStream dis)  throws IOException {         short s=0;        short high, low;         s = dis.readShort();         high = (short)(( s & 0xFF ) << 8) ;        low = (short)(( s & 0xFF00 ) >>> 8);         s = (short)( high | low );         return s;    }     /**     * big2little     * Protected helper method to swap the order of bytes in a 16 bit short     * @param int     * @return 16 bits swapped value     */    protected short big2littleShort(short i) {         short high, low;         high = (short)(( i & 0xFF ) << 8) ;        low = (short)(( i & 0xFF00 ) >>> 8);         i = (short)( high | low );         return i;    }     /**     * InputStream wrapper class which prevent source stream from being closed.     * The class is usefull for use with SequenceInputStream to prevent     * closing of the source input streams.     */    protected class NoCloseInputStream extends InputStream {        private final InputStream in;         public NoCloseInputStream(InputStream in) {            this.in = in;        }         @Override        public int read() throws IOException {            return in.read();        }         @Override        public int read(byte b[]) throws IOException {            return in.read(b);        }         @Override        public int read(byte b[], int off, int len) throws IOException {            return in.read(b, off, len);        }         @Override        public long skip(long n) throws IOException {            return in.skip(n);        }         @Override        public int available() throws IOException {            return in.available();        }         @Override        public void close() throws IOException {            // don't propagate the call        }         @Override        public void mark(int readlimit) {            in.mark(readlimit);        }         @Override        public void reset() throws IOException {            in.reset();        }         @Override        public boolean markSupported() {            return in.markSupported();        }     }}