001/* ObjectHelper.java -- 002 Copyright (C) 2005, 2006 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package org.omg.CORBA; 040 041import gnu.CORBA.Minor; 042import gnu.CORBA.OrbRestricted; 043 044import org.omg.CORBA.portable.InputStream; 045import 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 */ 052public 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}