java.io

Interface ObjectOutput

All Superinterfaces:
AutoCloseable, DataOutput
Known Implementing Classes:
ObjectOutputStream

public interface ObjectOutput
extends DataOutput, AutoCloseable

This interface extends DataOutput to provide the additional facility of writing object instances to a stream. It also adds some additional methods to make the interface more OutputStream like.
See Also:
DataOutput

Method Summary

void
close()
This method closes the underlying stream.
void
flush()
This method causes any buffered data to be flushed out to the underlying stream
void
write(byte[] buf)
This method writes all the bytes in the specified byte array to the output stream.
void
write(byte[] buf, int offset, int len)
This method writes len bytes from the specified array starting at index offset into that array.
void
write(int b)
This method writes the specified byte to the output stream.
void
writeObject(Object obj)
This method writes a object instance to a stream.

Methods inherited from interface java.lang.AutoCloseable

close

Methods inherited from interface java.io.DataOutput

write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Method Details

close

public void close()
            throws IOException
This method closes the underlying stream.
Specified by:
close in interface AutoCloseable
Throws:
IOException - If an error occurs

flush

public void flush()
            throws IOException
This method causes any buffered data to be flushed out to the underlying stream
Throws:
IOException - If an error occurs

write

public void write(byte[] buf)
            throws IOException
This method writes all the bytes in the specified byte array to the output stream.
Specified by:
write in interface DataOutput
Parameters:
buf - The array of bytes to write.
Throws:
IOException - If an error occurs.

write

public void write(byte[] buf,
                  int offset,
                  int len)
            throws IOException
This method writes len bytes from the specified array starting at index offset into that array.
Specified by:
write in interface DataOutput
Parameters:
buf - The byte array to write from.
offset - The index into the byte array to start writing from.
len - The number of bytes to write.
Throws:
IOException - If an error occurs.

write

public void write(int b)
            throws IOException
This method writes the specified byte to the output stream.
Specified by:
write in interface DataOutput
Parameters:
b - The byte to write.
Throws:
IOException - If an error occurs.

writeObject

public void writeObject(Object obj)
            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
Parameters:
obj - The object to write
Throws:
IOException - If an error occurs

ObjectOutput.java -- Interface for writing objects to a stream Copyright (C) 1998, 2003 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.