/*
 * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package java.io;

/**
 * ObjectOutput extends the DataOutput interface to include writing of objects.
 * DataOutput includes methods for output of primitive types, ObjectOutput
 * extends that interface to include objects, arrays, and Strings.
 *
 * @author unascribed
 * @see java.io.InputStream
 * @see java.io.ObjectOutputStream
 * @see java.io.ObjectInputStream
 * @since 1.1
 */
public interface ObjectOutput extends DataOutput, AutoCloseable {
 /**
 * Write an object to the underlying storage or stream. The
 * class that implements this interface defines how the object is
 * written.
 *
 * @param obj the object to be written
 * @exception IOException Any of the usual Input/Output related exceptions.
 */
 public void writeObject(Object obj)
 throws IOException;

 /**
 * Writes a byte. This method will block until the byte is actually
 * written.
 * @param b the byte
 * @exception IOException If an I/O error has occurred.
 */
 public void write(int b) throws IOException;

 /**
 * Writes an array of bytes. This method will block until the bytes
 * are actually written.
 * @param b the data to be written
 * @exception IOException If an I/O error has occurred.
 */
 public void write(byte b[]) throws IOException;

 /**
 * Writes a sub array of bytes.
 * @param b the data to be written
 * @param off the start offset in the data
 * @param len the number of bytes that are written
 * @exception IOException If an I/O error has occurred.
 */
 public void write(byte b[], int off, int len) throws IOException;

 /**
 * Flushes the stream. This will write any buffered
 * output bytes.
 * @exception IOException If an I/O error has occurred.
 */
 public void flush() throws IOException;

 /**
 * Closes the stream. This method must be called
 * to release any resources associated with the
 * stream.
 * @exception IOException If an I/O error has occurred.
 */
 public void close() throws IOException;
}