001 /* CurrentHelper.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.PortableInterceptor; 040 041 import gnu.CORBA.Minor; 042 import gnu.CORBA.OrbRestricted; 043 044 import org.omg.CORBA.Any; 045 import org.omg.CORBA.BAD_OPERATION; 046 import org.omg.CORBA.BAD_PARAM; 047 import org.omg.CORBA.MARSHAL; 048 import org.omg.CORBA.TypeCode; 049 import org.omg.CORBA.portable.InputStream; 050 import 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 */ 057 public 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 }