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authortromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2000-05-19 17:55:34 +0000
committertromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2000-05-19 17:55:34 +0000
commit51acace4cce1255942e3e3bd3a7ecbff7f5b9377 (patch)
tree88cf0d32aea197ea8e8198e1206b04c820308615 /libjava/java/io/ObjectOutput.java
parent6e95df84d1be816955443d07c4935189b0341c63 (diff)
downloadgcc-51acace4cce1255942e3e3bd3a7ecbff7f5b9377.tar.gz
Jumbo patch:
* Imported beans and serialization * Updated IA-64 port * Miscellaneous bug fixes git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34028 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/java/io/ObjectOutput.java')
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+/* 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
+