001 /* _NamingContextExtStub.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.CosNaming; 040 041 import gnu.CORBA.NamingService.NameTransformer; 042 043 import org.omg.CORBA.MARSHAL; 044 import org.omg.CORBA.ObjectHelper; 045 import org.omg.CORBA.portable.ApplicationException; 046 import org.omg.CORBA.portable.Delegate; 047 import org.omg.CORBA.portable.InputStream; 048 import org.omg.CORBA.portable.OutputStream; 049 import org.omg.CORBA.portable.RemarshalException; 050 import org.omg.CosNaming.NamingContextExtPackage.AddressHelper; 051 import org.omg.CosNaming.NamingContextExtPackage.InvalidAddress; 052 import org.omg.CosNaming.NamingContextExtPackage.InvalidAddressHelper; 053 import org.omg.CosNaming.NamingContextExtPackage.StringNameHelper; 054 import org.omg.CosNaming.NamingContextExtPackage.URLStringHelper; 055 import org.omg.CosNaming.NamingContextPackage.CannotProceed; 056 import org.omg.CosNaming.NamingContextPackage.InvalidName; 057 import org.omg.CosNaming.NamingContextPackage.InvalidNameHelper; 058 import org.omg.CosNaming.NamingContextPackage.NotFound; 059 060 /** 061 * The extended naming context stub (proxy), used on the client side. 062 * The most of the {@link NamingContextExt} methods contain the code 063 * for remote invocaton. However as remote invocation is potencially an 064 * expensive step, some trivial methods, not requiring access to the 065 * naming database, are handled locally (see the method descriptions for 066 * details). 067 * 068 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 069 */ 070 public class _NamingContextExtStub 071 extends _NamingContextStub 072 implements NamingContextExt 073 { 074 /** 075 * Use serialVersionUID (v1.4) for interoperability. 076 */ 077 private static final long serialVersionUID = 6333293895664182866L; 078 079 /** 080 * This stub can be the base of the two CORBA objects, so it 081 * has two repository ids. 082 */ 083 private static String[] __ids = 084 { NamingContextExtHelper.id(), NamingContextHelper.id() }; 085 086 /** 087 * The local name form converter. 088 */ 089 private NameTransformer converter = new NameTransformer(); 090 091 /** 092 * Create the naming context stub. 093 */ 094 public _NamingContextExtStub() 095 { 096 super(); 097 } 098 099 /** 100 * Create the naming context stub with the given delegate. 101 */ 102 _NamingContextExtStub(Delegate delegate) 103 { 104 super(delegate); 105 } 106 107 /** 108 * Return the array of repository ids for this object. 109 * This stub can be the base of the two CORBA objects, so it 110 * has two repository ids, for {@link NamingContext} and 111 * for {@link NamingContextExt}. 112 */ 113 public String[] _ids() 114 { 115 return (String[]) __ids.clone(); 116 } 117 118 /** {@inheritDoc} */ 119 public org.omg.CORBA.Object resolve_str(String a_name_string) 120 throws NotFound, CannotProceed, InvalidName 121 { 122 InputStream in = null; 123 try 124 { 125 OutputStream _out = _request("resolve_str", true); 126 StringNameHelper.write(_out, a_name_string); 127 in = _invoke(_out); 128 129 return ObjectHelper.read(in); 130 } 131 catch (ApplicationException ex) 132 { 133 in = ex.getInputStream(); 134 135 String id = ex.getId(); 136 throw4(in, id); 137 138 // Should never happen. 139 throw new InternalError(); 140 } 141 catch (RemarshalException _rm) 142 { 143 return resolve_str(a_name_string); 144 } 145 finally 146 { 147 _releaseReply(in); 148 } 149 } 150 151 /** 152 * Converts the string name representation into the array 153 * name representation. 154 * 155 * This method is handled locally. 156 */ 157 public NameComponent[] to_name(String a_name_string) 158 throws InvalidName 159 { 160 return converter.toName(a_name_string); 161 } 162 163 /** 164 * Convert the name array representation to the name string 165 * representation. 166 * 167 * This method is handled locally. 168 */ 169 public String to_string(NameComponent[] a_name) 170 throws InvalidName 171 { 172 return converter.toString(a_name); 173 } 174 175 /** {@inheritDoc} */ 176 public String to_url(String an_address, String a_name_string) 177 throws InvalidAddress, InvalidName 178 { 179 InputStream in = null; 180 try 181 { 182 OutputStream _out = _request("to_url", true); 183 AddressHelper.write(_out, an_address); 184 StringNameHelper.write(_out, a_name_string); 185 in = _invoke(_out); 186 187 return URLStringHelper.read(in); 188 } 189 catch (ApplicationException ex) 190 { 191 in = ex.getInputStream(); 192 193 String id = ex.getId(); 194 if (id.equals(InvalidAddressHelper.id())) 195 throw InvalidAddressHelper.read(in); 196 else if (id.equals(InvalidNameHelper.id())) 197 throw InvalidNameHelper.read(in); 198 else 199 throw new MARSHAL(id); 200 } 201 catch (RemarshalException _rm) 202 { 203 return to_url(an_address, a_name_string); 204 } 205 finally 206 { 207 _releaseReply(in); 208 } 209 } 210 }