001/* CurrentHelper.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.PortableInterceptor; 040 041import gnu.CORBA.Minor; 042import gnu.CORBA.OrbRestricted; 043 044import org.omg.CORBA.Any; 045import org.omg.CORBA.BAD_OPERATION; 046import org.omg.CORBA.BAD_PARAM; 047import org.omg.CORBA.MARSHAL; 048import org.omg.CORBA.TypeCode; 049import org.omg.CORBA.portable.InputStream; 050import org.omg.CORBA.portable.OutputStream; 051 052/** 053 * The helper operations for the CORBA object {@link Current}. 054 * 055 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 056 */ 057public abstract class CurrentHelper 058{ 059 /** 060 * Get the type code of the {@link Current}. 061 */ 062 public static TypeCode type() 063 { 064 return OrbRestricted.Singleton.create_interface_tc(id(), "Current"); 065 } 066 067 /** 068 * Insert the Current into the given Any. 069 * 070 * @param any the Any to insert into. 071 * @param that the Current to insert. 072 */ 073 public static void insert(Any any, Current that) 074 { 075 any.insert_Object(that); 076 } 077 078 /** 079 * Extract the Current from given Any. 080 * 081 * @throws BAD_OPERATION if the passed Any does not contain Current. 082 */ 083 public static Current extract(Any any) 084 { 085 return narrow(any.extract_Object()); 086 } 087 088 /** 089 * Get the Current repository id. 090 * 091 * @return "org.omg.PortableInterceptor.CurrentOperations", always. 092 */ 093 public static String id() 094 { 095 return "IDL:omg.org/PortableInterceptor/Current:1.0"; 096 } 097 098 /** 099 * Cast the passed object into the Current. 100 * 101 * @param obj the object to narrow. 102 * @return narrowed instance. 103 * @throws BAD_PARAM if the passed object is not a Current. 104 */ 105 public static Current narrow(org.omg.CORBA.Object obj) 106 { 107 if (obj == null) 108 { 109 return null; 110 } 111 else if (obj instanceof Current) 112 { 113 return (Current) obj; 114 } 115 else 116 { 117 throw new BAD_PARAM("Not a Current"); 118 } 119 } 120 121 /** 122 * Narrow the given object to the Current. For the objects that are 123 * always local, this operation does not differ from the ordinary 124 * {@link #narrow} (ClassCastException will be thrown if narrowing something 125 * different). See also OMG issue 4158. 126 * 127 * @param obj the object to cast. 128 * 129 * @return the casted Current. 130 * 131 * @since 1.5 132 */ 133 public static Current unchecked_narrow(org.omg.CORBA.Object obj) 134 { 135 return narrow(obj); 136 } 137 138 /** 139 * Not supported for compatibility reasons. 140 * 141 * @specnote Not supported by Sun at least till jdk 1.5 inclusive. 142 * 143 * @throws MARSHAL always. 144 */ 145 public static Current read(InputStream input) 146 { 147 MARSHAL m = new MARSHAL("Inappropriate"); 148 m.minor = Minor.Inappropriate; 149 throw m; 150 } 151 152 /** 153 * Not supported for compatibility reasons. 154 * 155 * @specnote Not supported by Sun at least till jdk 1.5 inclusive. 156 * 157 * @throws MARSHAL always. 158 */ 159 public static void write(OutputStream output, Current value) 160 { 161 MARSHAL m = new MARSHAL("Inappropriate"); 162 m.minor = Minor.Inappropriate; 163 throw m; 164 } 165}