001/* ServantLocatorHelper.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.PortableServer; 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 ServantLocator}. 054* 055* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 056*/ 057public 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}