001/* InvalidPolicyHelper.java -- 002 Copyright (C) 2005 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.POAPackage; 040 041import gnu.CORBA.Minor; 042import gnu.CORBA.OrbRestricted; 043import gnu.CORBA.Poa.InvalidPolicyHolder; 044 045import org.omg.CORBA.Any; 046import org.omg.CORBA.BAD_OPERATION; 047import org.omg.CORBA.ORB; 048import org.omg.CORBA.StructMember; 049import org.omg.CORBA.TCKind; 050import org.omg.CORBA.TypeCode; 051import org.omg.CORBA.portable.InputStream; 052import org.omg.CORBA.portable.OutputStream; 053 054/** 055 * The helper operations for the exception {@link InvalidPolicy}. 056 * 057 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 058 */ 059public abstract class InvalidPolicyHelper 060{ 061 /** 062 * The cached typecode value, computed only once. 063 */ 064 private static TypeCode typeCode; 065 066 /** 067 * Create the InvalidPolicy typecode (emtpy structure, 068 * named "InvalidPolicy"). 069 * The typecode states that the structure contains the 070 * single field, named "index". 071 */ 072 public static TypeCode type() 073 { 074 if (typeCode == null) 075 { 076 ORB orb = OrbRestricted.Singleton; 077 StructMember[] members = new StructMember[ 1 ]; 078 079 TypeCode field; 080 081 field = orb.get_primitive_tc(TCKind.tk_ushort); 082 members [ 0 ] = new StructMember("index", field, null); 083 typeCode = orb.create_exception_tc(id(), "InvalidPolicy", members); 084 } 085 return typeCode; 086 } 087 088 /** 089 * Insert the InvalidPolicy into the given Any. 090 * This method uses the InvalidPolicyHolder. 091 * 092 * @param any the Any to insert into. 093 * @param that the InvalidPolicy to insert. 094 */ 095 public static void insert(Any any, InvalidPolicy that) 096 { 097 any.insert_Streamable(new InvalidPolicyHolder(that)); 098 } 099 100 /** 101 * Extract the InvalidPolicy from given Any. 102 * This method uses the InvalidPolicyHolder. 103 * 104 * @throws BAD_OPERATION if the passed Any does not contain InvalidPolicy. 105 */ 106 public static InvalidPolicy extract(Any any) 107 { 108 try 109 { 110 return ((InvalidPolicyHolder) any.extract_Streamable()).value; 111 } 112 catch (ClassCastException cex) 113 { 114 BAD_OPERATION bad = new BAD_OPERATION("InvalidPolicy expected"); 115 bad.minor = Minor.Any; 116 bad.initCause(cex); 117 throw bad; 118 } 119 } 120 121 /** 122 * Get the InvalidPolicy repository id. 123 * 124 * @return "IDL:omg.org/PortableServer/POA/InvalidPolicy:1.0", always. 125 */ 126 public static String id() 127 { 128 return "IDL:omg.org/PortableServer/POA/InvalidPolicy:1.0"; 129 } 130 131 /** 132 * Read the exception from the CDR intput stream. 133 * 134 * @param input a org.omg.CORBA.portable stream to read from. 135 */ 136 public static InvalidPolicy read(InputStream input) 137 { 138 // Read the exception repository id. 139 input.read_string(); 140 InvalidPolicy value = new InvalidPolicy(); 141 142 value.index = input.read_short(); 143 return value; 144 } 145 146 /** 147 * Write the exception to the CDR output stream. 148 * 149 * @param output a org.omg.CORBA.portable stream stream to write into. 150 * @param value a value to write. 151 */ 152 public static void write(OutputStream output, InvalidPolicy value) 153 { 154 // Write the exception repository id. 155 output.write_string(id()); 156 output.write_short(value.index); 157 } 158}