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+/* OctetHolder.java --
+ Copyright (C) 2005 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. */
+
+
+package gnu.CORBA;
+
+import gnu.CORBA.typecodes.PrimitiveTypeCode;
+
+import org.omg.CORBA.portable.InputStream;
+import org.omg.CORBA.portable.OutputStream;
+import org.omg.CORBA.portable.Streamable;
+import org.omg.CORBA.TCKind;
+import org.omg.CORBA.TypeCode;
+
+/**
+ * A holder for CORBA <code>octet</code> that is mapped into
+ * java <code>long</code>.
+ *
+ * The holders have several application areas. The end user usually
+ * sees them implementing CORBA methods where the primitive type
+ * is passed by reference. While CORBA (or, for example, C) supports
+ * this, the java does not and a wrapper class is required.
+ *
+ * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
+ */
+public final class OctetHolder
+ implements Streamable
+{
+ /**
+ * The default type code for this holder.
+ */
+ private static final TypeCode t_octet =
+ new PrimitiveTypeCode(TCKind.tk_octet);
+
+ /**
+ * The <code>long</code> (CORBA <code>octet</code>) value,
+ * held by this OctetHolder.
+ */
+ public byte value;
+
+ /**
+ * Constructs an instance of OctetHolder,
+ * initializing {@link #value} to <code>0 </code>.
+ */
+ public OctetHolder()
+ {
+ }
+
+ /**
+ * Constructs an instance of OctetHolder,
+ * initializing {@link #value} to the given <code>octed</code> (byte).
+ *
+ * @param initial_value a value that will be assigned to the
+ * {@link #value} field.
+ */
+ public OctetHolder(byte initial_value)
+ {
+ value = initial_value;
+ }
+
+ /**
+ * Fill in the {@link value } field by reading the required data
+ * from the given stream. For <code>octet</code>, the functionality
+ * is delegated to
+ * {@link org.omg.CORBA.portable.InputStream#read_octet}.
+ *
+ * @param input the input stream to read from.
+ */
+ public void _read(InputStream input)
+ {
+ value = input.read_octet();
+ }
+
+ /**
+ * Returns the TypeCode, corresponding the CORBA type that is stored
+ * using this holder.
+ */
+ public TypeCode _type()
+ {
+ return t_octet;
+ }
+
+ /**
+ * Write the {@link value } field to the given stream.
+ * For <code>octet</code>, the functionality
+ * is delegated to
+ * {@link org.omg.CORBA.portable.OutputStream#write_octet(long) }.
+ *
+ * @param output the output stream to write into.
+ */
+ public void _write(OutputStream output)
+ {
+ output.write_octet(value);
+ }
+}