mirror of git://gcc.gnu.org/git/gcc.git
117 lines
3.5 KiB
Java
117 lines
3.5 KiB
Java
/* ObjectOutput.java -- Interface for writing objects to a stream
|
|
Copyright (C) 1998 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.
|
|
|
|
As a special exception, if you link this library with other files to
|
|
produce an executable, this library does not by itself cause the
|
|
resulting executable to be covered by the GNU General Public License.
|
|
This exception does not however invalidate any other reasons why the
|
|
executable file might be covered by the GNU General Public License. */
|
|
|
|
|
|
package java.io;
|
|
|
|
/**
|
|
* This interface extends <code>DataOutput</code> to provide the additional
|
|
* facility of writing object instances to a stream. It also adds some
|
|
* additional methods to make the interface more <code>OutputStream</code> like.
|
|
*
|
|
* @version 0.0
|
|
*
|
|
* @author Aaron M. Renn (arenn@urbanophile.com)
|
|
*/
|
|
public abstract interface ObjectOutput extends DataOutput
|
|
{
|
|
|
|
|
|
/**
|
|
* This method writes the specified byte to the output stream.
|
|
*
|
|
* @param b The byte to write.
|
|
*
|
|
* @exception IOException If an error occurs.
|
|
*/
|
|
public abstract void
|
|
write(int b) throws IOException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method writes all the bytes in the specified byte array to the
|
|
* output stream.
|
|
*
|
|
* @param buf The array of bytes to write.
|
|
*
|
|
* @exception IOException If an error occurs.
|
|
*/
|
|
public abstract void
|
|
write(byte[] buf) throws IOException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method writes <code>len</code> bytes from the specified array
|
|
* starting at index <code>offset</code> into that array.
|
|
*
|
|
* @param buf The byte array to write from.
|
|
* @param offset The index into the byte array to start writing from.
|
|
* @param len The number of bytes to write.
|
|
*
|
|
* @exception IOException If an error occurs.
|
|
*/
|
|
public abstract void
|
|
write(byte[] buf, int offset, int len) throws IOException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method writes a object instance to a stream. The format of the
|
|
* data written is determined by the actual implementation of this method
|
|
*
|
|
* @param obj The object to write
|
|
*
|
|
* @exception IOException If an error occurs
|
|
*/
|
|
public abstract void
|
|
writeObject(Object obj) throws IOException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method causes any buffered data to be flushed out to the underlying
|
|
* stream
|
|
*
|
|
* @exception IOException If an error occurs
|
|
*/
|
|
public abstract void
|
|
flush() throws IOException;
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* This method closes the underlying stream.
|
|
*
|
|
* @exception IOException If an error occurs
|
|
*/
|
|
public abstract void
|
|
close() throws IOException;
|
|
|
|
} // interface ObjectOutput
|
|
|