mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-13 03:29:50 +00:00
134 lines
3.3 KiB
Java
134 lines
3.3 KiB
Java
/* FileImageOutputStream.java --
|
|
Copyright (C) 2004 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.imageio.stream;
|
|
|
|
import java.io.File;
|
|
import java.io.FileNotFoundException;
|
|
import java.io.IOException;
|
|
import java.io.RandomAccessFile;
|
|
|
|
/**
|
|
* @author Michael Koch (konqueror@gmx.de)
|
|
*/
|
|
public class FileImageOutputStream extends ImageOutputStreamImpl
|
|
{
|
|
private RandomAccessFile file;
|
|
|
|
public FileImageOutputStream(File file)
|
|
throws FileNotFoundException, IOException
|
|
{
|
|
if (file == null)
|
|
throw new IllegalArgumentException("file may not be null");
|
|
|
|
// Do security check.
|
|
file.canRead();
|
|
|
|
this.file = new RandomAccessFile(file, "r");
|
|
}
|
|
|
|
public FileImageOutputStream(RandomAccessFile file)
|
|
{
|
|
if (file == null)
|
|
throw new IllegalArgumentException("file may not be null");
|
|
|
|
this.file = file;
|
|
}
|
|
|
|
public void close()
|
|
throws IOException
|
|
{
|
|
file.close();
|
|
}
|
|
|
|
public long length()
|
|
{
|
|
try
|
|
{
|
|
return file.length();
|
|
}
|
|
catch (IOException e)
|
|
{
|
|
return -1L;
|
|
}
|
|
}
|
|
|
|
public int read()
|
|
throws IOException
|
|
{
|
|
checkClosed();
|
|
|
|
setBitOffset(0);
|
|
return file.read();
|
|
}
|
|
|
|
public int read(byte[] data, int offset, int len)
|
|
throws IOException
|
|
{
|
|
checkClosed();
|
|
|
|
setBitOffset(0);
|
|
return file.read(data, offset, len);
|
|
}
|
|
|
|
public void seek(long position)
|
|
throws IOException
|
|
{
|
|
super.seek(position);
|
|
file.seek(position);
|
|
}
|
|
|
|
public void write(byte[] data, int offset, int len)
|
|
throws IOException
|
|
{
|
|
checkClosed();
|
|
|
|
flushBits();
|
|
file.write(data, offset, len);
|
|
}
|
|
|
|
public void write(int value)
|
|
throws IOException
|
|
{
|
|
checkClosed();
|
|
|
|
// FIXME: Flush pending bits.
|
|
file.write(value);
|
|
}
|
|
}
|