| /* WCharHolder.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.TCKind; |
| import org.omg.CORBA.TypeCode; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.OutputStream; |
| import org.omg.CORBA.portable.Streamable; |
| |
| /** |
| * A holder for CORBA <code>char</code> that is mapped into |
| * java <code>char</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 WCharHolder |
| implements Streamable |
| { |
| /** |
| * The default type code for this holder. |
| */ |
| private static final TypeCode t_char = new PrimitiveTypeCode(TCKind.tk_wchar); |
| |
| /** |
| * The <code>char</code> (CORBA <code>wchar</code>) value, |
| * held by this WCharHolder. |
| */ |
| public char value; |
| |
| /** |
| * Constructs an instance of WCharHolder, |
| * initializing {@link #value} to <code>0 </code>. |
| */ |
| public WCharHolder() |
| { |
| } |
| |
| /** |
| * Constructs an instance of WCharHolder, |
| * initializing {@link #value} to the given <code>char</code>. |
| * |
| * @param initial_value a value that will be assigned to the |
| * {@link #value} field. |
| */ |
| public WCharHolder(char initial_value) |
| { |
| value = initial_value; |
| } |
| |
| /** |
| * Fill in the {@link value } field by reading the required data |
| * from the given stream. For <code>char</code>, the functionality |
| * is delegated to |
| * {@link org.omg.CORBA.portable.InputStream#read_wchar}. |
| * |
| * @param input the input stream to read from. |
| */ |
| public void _read(InputStream input) |
| { |
| value = input.read_wchar(); |
| } |
| |
| /** |
| * Returns the TypeCode, corresponding the CORBA type that is stored |
| * using this holder. |
| */ |
| public TypeCode _type() |
| { |
| return t_char; |
| } |
| |
| /** |
| * Write the {@link value } field to the given stream. |
| * For <code>char</code>, the functionality |
| * is delegated to |
| * {@link org.omg.CORBA.portable.OutputStream#write_wchar(char) }. |
| * |
| * @param output the output stream to write into. |
| */ |
| public void _write(OutputStream output) |
| { |
| output.write_wchar(value); |
| } |
| } |