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/**
* Copyright 2014 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.common.nio;
import java.io.IOException;
import java.io.OutputStream;
public class MappedByteBufferOutputStream extends OutputStream {
private final MappedByteBufferInputStream parent;
MappedByteBufferOutputStream(final MappedByteBufferInputStream stream) throws IOException {
this.parent = stream;
}
/**
* See {@link MappedByteBufferInputStream#setLength(long)}.
*/
public final synchronized void setLength(final long newTotalSize) throws IOException {
parent.setLength(newTotalSize);
}
/**
* See {@link MappedByteBufferInputStream#notifyLengthChange(long)}.
*/
public final synchronized void notifyLengthChange(final long newTotalSize) throws IOException {
parent.notifyLengthChange(newTotalSize);
}
/**
* See {@link MappedByteBufferInputStream#length()}.
*/
public final synchronized long length() {
return parent.length();
}
/**
* See {@link MappedByteBufferInputStream#remaining()}.
*/
public final synchronized long remaining() throws IOException {
return parent.remaining();
}
/**
* See {@link MappedByteBufferInputStream#position()}.
*/
public final synchronized long position() throws IOException {
return parent.position();
}
/**
* See {@link MappedByteBufferInputStream#position(long)}.
*/
public final synchronized MappedByteBufferInputStream position( final long newPosition ) throws IOException {
return parent.position(newPosition);
}
/**
* See {@link MappedByteBufferInputStream#skip(long)}.
*/
public final synchronized long skip( final long n ) throws IOException {
return parent.skip(n);
}
@Override
public final synchronized void flush() throws IOException {
parent.flush();
}
@Override
public final synchronized void close() throws IOException {
parent.close();
}
@Override
public final synchronized void write(final int b) throws IOException {
parent.checkOpen();
final long totalRem = parent.remaining();
if ( totalRem < 1 ) { // grow if required
parent.setLength( parent.length() + 1 );
}
if ( ! parent.slice( parent.currSlice ).hasRemaining() ) {
if ( !parent.nextSlice() ) {
if( MappedByteBufferInputStream.DEBUG ) {
System.err.println("EOT write: "+parent.slices[ parent.currSlice ]);
parent.dbgDump("EOT write:", System.err);
}
throw new IOException("EOT");
}
}
parent.slices[ parent.currSlice ].put( (byte)(b & 0xFF) );
}
@Override
public final synchronized void write(final byte b[], final int off, final int len) throws IOException {
parent.checkOpen();
if (b == null) {
throw new NullPointerException();
} else if( off < 0 ||
off > b.length ||
len < 0 ||
off + len > b.length ||
off + len < 0
) {
throw new IndexOutOfBoundsException("offset "+off+", length "+len+", b.length "+b.length);
} else if( 0 == len ) {
return;
}
final long totalRem = parent.remaining();
if ( totalRem < len ) { // grow if required
parent.setLength( parent.length() + len - totalRem );
}
int written = 0;
while( written < len ) {
int currRem = parent.slice( parent.currSlice ).remaining();
if ( 0 == currRem ) {
if ( !parent.nextSlice() ) {
if( MappedByteBufferInputStream.DEBUG ) {
System.err.println("EOT write: offset "+off+", length "+len+", b.length "+b.length);
System.err.println("EOT write: written "+written+" / "+len+", currRem "+currRem);
System.err.println("EOT write: "+parent.slices[ parent.currSlice ]);
parent.dbgDump("EOT write:", System.err);
}
throw new InternalError("EOT");
}
currRem = parent.slice( parent.currSlice ).remaining();
}
parent.slices[ parent.currSlice ].put( b, off + written, Math.min( len - written, currRem ) );
written += Math.min( len - written, currRem );
}
}
}
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