| /* 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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); |
| } |
| } |