001/* TypeMismatchHelper.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.DynamicAny.DynAnyPackage; 040 041import gnu.CORBA.EmptyExceptionHolder; 042import gnu.CORBA.Minor; 043import gnu.CORBA.OrbRestricted; 044 045import org.omg.CORBA.Any; 046import org.omg.CORBA.BAD_OPERATION; 047import org.omg.CORBA.ORB; 048import org.omg.CORBA.StructMember; 049import org.omg.CORBA.TypeCode; 050import org.omg.CORBA.portable.InputStream; 051import org.omg.CORBA.portable.OutputStream; 052 053/** 054* The helper operations for the exception {@link TypeMismatch}. 055* 056* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 057*/ 058public abstract class TypeMismatchHelper 059{ 060 /** 061 * Create the TypeMismatch typecode (structure, named "TypeMismatch"). 062 */ 063 public static TypeCode type() 064 { 065 ORB orb = OrbRestricted.Singleton; 066 StructMember[] members = new StructMember[0]; 067 return orb.create_exception_tc(id(), "TypeMismatch", members); 068 } 069 070 /* Every user exception with no user defined 071 fields can use EmptyExceptionHolder */ 072 073 /** 074 * Insert the TypeMismatch into the given Any. 075 * 076 * @param any the Any to insert into. 077 * @param that the TypeMismatch to insert. 078 */ 079 public static void insert(Any any, TypeMismatch that) 080 { 081 any.insert_Streamable(new EmptyExceptionHolder(that, type())); 082 } 083 084 /** 085 * Extract the TypeMismatch from given Any. 086 * 087 * @throws BAD_OPERATION if the passed Any does not contain TypeMismatch. 088 */ 089 public static TypeMismatch extract(Any any) 090 { 091 try 092 { 093 EmptyExceptionHolder h = 094 (EmptyExceptionHolder) any.extract_Streamable(); 095 return (TypeMismatch) h.value; 096 } 097 catch (ClassCastException cex) 098 { 099 BAD_OPERATION bad = new BAD_OPERATION("TypeMismatch expected"); 100 bad.initCause(cex); 101 bad.minor = Minor.Any; 102 throw bad; 103 } 104 } 105 106 /** 107 * Get the TypeMismatch repository id. 108 * 109 * @return "IDL:omg.org/DynamicAny/DynAny/TypeMismatch:1.0", always. 110 */ 111 public static String id() 112 { 113 return "IDL:omg.org/DynamicAny/DynAny/TypeMismatch:1.0"; 114 } 115 116 /** 117 * Read the exception from the CDR intput stream. 118 * 119 * @param input a org.omg.CORBA.portable stream to read from. 120 */ 121 public static TypeMismatch read(InputStream input) 122 { 123 // Read the exception repository id. 124 String id = input.read_string(); 125 TypeMismatch value = new TypeMismatch(id); 126 127 return value; 128 } 129 130 /** 131 * Write the exception to the CDR output stream. 132 * 133 * @param output a org.omg.CORBA.portable stream stream to write into. 134 * @param value a value to write. 135 */ 136 public static void write(OutputStream output, TypeMismatch value) 137 { 138 // Write the exception repository id. 139 output.write_string(id()); 140 } 141}