8f523f3a10
* sources.am: Regenerated. * Makefile.in: Likewise. * scripts/makemake.tcl: Use glob -nocomplain. From-SVN: r107049
178 lines
5.0 KiB
Java
178 lines
5.0 KiB
Java
/* universalStreamable.java --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.CORBA;
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import gnu.CORBA.CDR.BufferredCdrInput;
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import gnu.CORBA.CDR.BufferedCdrOutput;
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import org.omg.CORBA.BAD_OPERATION;
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import org.omg.CORBA.MARSHAL;
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import org.omg.CORBA.TypeCode;
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import org.omg.CORBA.portable.InputStream;
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import org.omg.CORBA.portable.OutputStream;
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import org.omg.CORBA.portable.Streamable;
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import java.io.IOException;
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/**
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* This class holds the abstract binary data array of the Streamable
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* being stored. It is used to insert and extract into {@link Any} objects
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* that have no holder, but have the helper classes.
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* Encoding/decoding then must be performed by the helper. This class is
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* defined as package private because it is not idiot proof and
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* must be used with care.
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*
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* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
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*/
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public class GeneralHolder
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implements Streamable
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{
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/**
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* The binary data, stored inside this holder.
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*/
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private BufferedCdrOutput value = new BufferedCdrOutput();
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/**
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* Create the universal holder that uses the given buffer to store the data.
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*/
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public GeneralHolder(BufferedCdrOutput buffer)
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{
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value = buffer;
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}
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/**
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* Reads into the internal buffer till the end of stream is
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* reached. No alignment operations are performed. This operation
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* normally reads from the stream, where the single value,
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* stored using {@link #_write}, is written.
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*
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* @throws MARSHALL, if the IOException is thrown during the
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* stream operation.
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*/
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public void _read(InputStream input)
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{
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try
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{
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if (input instanceof BufferredCdrInput)
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{
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BufferredCdrInput b = (BufferredCdrInput) input;
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value.write(b.buffer.getBuffer());
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}
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else
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{
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int c;
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do
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{
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c = input.read();
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if (c >= 0)
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value.write(c);
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}
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while (c >= 0);
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}
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}
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catch (IOException ex)
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{
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MARSHAL t = new MARSHAL();
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t.minor = Minor.Any;
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t.initCause(ex);
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throw t;
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}
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}
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/**
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* The type is not known and cannot be returned.
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*
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* @throws BAD_OPERATION, always.
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*/
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public TypeCode _type()
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{
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BAD_OPERATION bad = new BAD_OPERATION();
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bad.minor = Minor.Inappropriate;
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throw bad;
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}
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/**
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* Writes the binary data being stored into the given output
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* stream. This operation supposes that the current stream
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* position is 0 or satisfies the required alignments anyway.
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*
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* @throws MARSHAL if the IOExeption is thrown when writing the
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* byte array.
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*/
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public void _write(OutputStream output)
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{
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try
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{
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value.buffer.writeTo(output);
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}
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catch (IOException ex)
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{
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MARSHAL t = new MARSHAL();
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t.minor = Minor.Any;
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t.initCause(ex);
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throw t;
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}
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}
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/**
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* Get the input stream that reads the fields of the stored value.
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*/
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InputStream getInputStream()
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{
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return value.create_input_stream();
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}
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/**
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* Clone.
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*/
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public GeneralHolder Clone()
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{
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try
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{
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BufferedCdrOutput nb = new BufferedCdrOutput(value.buffer.size());
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value.buffer.writeTo(nb);
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return new GeneralHolder(nb);
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}
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catch (IOException ex)
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{
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throw new Unexpected(ex);
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}
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}
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} |