001 /* ObjectHelper.java --
002 Copyright (C) 2005, 2006 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038
039 package org.omg.CORBA;
040
041 import gnu.CORBA.Minor;
042 import gnu.CORBA.OrbRestricted;
043
044 import org.omg.CORBA.portable.InputStream;
045 import org.omg.CORBA.portable.OutputStream;
046
047 /**
048 * The helper operations for the binding list.
049 *
050 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
051 */
052 public abstract class ObjectHelper
053 {
054 /**
055 * Extract the array of object from the given {@link Any}.
056 */
057 public static org.omg.CORBA.Object extract(Any a)
058 {
059 try
060 {
061 return ((ObjectHolder) a.extract_Streamable()).value;
062 }
063 catch (ClassCastException ex)
064 {
065 BAD_OPERATION bad = new BAD_OPERATION("CORBA object expected");
066 bad.minor = Minor.Any;
067 throw bad;
068 }
069 }
070
071 /**
072 * Get the object repository id.
073 * @return the empty string.
074 */
075 public static String id()
076 {
077 return "";
078 }
079
080 /**
081 * Insert the object into the given {@link Any}.
082 */
083 public static void insert(Any a, org.omg.CORBA.Object object)
084 {
085 a.insert_Streamable(new ObjectHolder(object));
086 }
087
088 /**
089 * Read the object from the given CDR input stream.
090 */
091 public static org.omg.CORBA.Object read(InputStream istream)
092 {
093 return istream.read_Object();
094 }
095
096 /**
097 * Return the object type code.
098 */
099 public static TypeCode type()
100 {
101 return OrbRestricted.Singleton.get_primitive_tc(TCKind.tk_objref);
102 }
103
104 /**
105 * Write the object into the given CDR output stream.
106 */
107 public static void write(OutputStream ostream, org.omg.CORBA.Object value)
108 {
109 ostream.write_Object(value);
110 }
111 }