001 /* ServantLocatorHelper.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.PortableServer; 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 ServantLocator}. 054 * 055 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 056 */ 057 public abstract class ServantLocatorHelper 058 { 059 /** 060 * Get the type code of the {@link ServantLocator}. 061 */ 062 public static TypeCode type() 063 { 064 return OrbRestricted.Singleton.create_interface_tc(id(), "ServantLocator"); 065 } 066 067 /** 068 * Insert the ServantLocator into the given Any. 069 * 070 * @param any the Any to insert into. 071 * @param that the ServantLocator to insert. 072 */ 073 public static void insert(Any any, ServantLocator that) 074 { 075 any.insert_Object(that); 076 } 077 078 /** 079 * Extract the ServantLocator from given Any. 080 * 081 * @throws BAD_OPERATION if the passed Any does not contain ServantLocator. 082 */ 083 public static ServantLocator extract(Any any) 084 { 085 return narrow(any.extract_Object()); 086 } 087 088 /** 089 * Get the ServantLocator repository id. 090 * 091 * @return "org.omg.PortableServer.ServantLocatorOperations", always. 092 */ 093 public static String id() 094 { 095 return "org.omg.PortableServer.ServantLocatorOperations"; 096 } 097 098 /** 099 * Cast the passed object into the ServantLocator. 100 * 101 * @param obj the object to narrow. 102 * @return narrowed instance. 103 * @throws BAD_PARAM if the passed object is not a ServantLocator. 104 */ 105 public static ServantLocator narrow(org.omg.CORBA.Object obj) 106 { 107 try 108 { 109 return (ServantLocator) obj; 110 } 111 catch (ClassCastException ex) 112 { 113 BAD_OPERATION bad = new BAD_OPERATION(); 114 bad.minor = Minor.ClassCast; 115 bad.initCause(ex); 116 throw bad; 117 } 118 } 119 120 /** 121 * Narrow the given object to the ServantLocator. For the objects that are 122 * always local, this operation does not differ from the ordinary 123 * {@link #narrow} (ClassCastException will be thrown if narrowing something 124 * different). See OMG issue 4158. 125 * 126 * @param obj the object to cast. 127 * 128 * @return the casted ServantLocator. 129 * 130 * @since 1.5 131 */ 132 public static ServantLocator unchecked_narrow(org.omg.CORBA.Object obj) 133 { 134 return narrow(obj); 135 } 136 137 /** 138 * This should read the servant locator, but it cannot be transferred 139 * this way as its operations cannot be remote. The operations cannot 140 * be remote because one of the method parameters, POA, is required to be 141 * always a local object (both by 1.5 API and 3.0.3 OMG). 142 * 143 * @throws MARSHAL, always. 144 * 145 * @specnote Same as Sun. 146 */ 147 public static ServantLocator read(InputStream input) 148 { 149 MARSHAL m = new MARSHAL("Inappropriate"); 150 m.minor = Minor.Inappropriate; 151 throw m; 152 } 153 154 /** 155 * This should write the servant activator, but it cannot be transferred 156 * this way as its operations cannot be remote. The operations cannot 157 * be remote because one of the method parameters, POA, is required to be 158 * always a local object (both by 1.5 API and 3.0.3 OMG). 159 * 160 * @throws MARSHAL, always. 161 * 162 * @specnote Same as Sun. 163 */ 164 public static void write(OutputStream output, ServantLocator value) 165 { 166 MARSHAL m = new MARSHAL("Inappropriate"); 167 m.minor = Minor.Inappropriate; 168 throw m; 169 } 170 }