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1: /* NoContextHelper.java -- 2: Copyright (C) 2005 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package org.omg.PortableServer.CurrentPackage; 40: 41: import gnu.CORBA.EmptyExceptionHolder; 42: import gnu.CORBA.Minor; 43: import gnu.CORBA.OrbRestricted; 44: 45: import org.omg.CORBA.Any; 46: import org.omg.CORBA.BAD_OPERATION; 47: import org.omg.CORBA.ORB; 48: import org.omg.CORBA.StructMember; 49: import org.omg.CORBA.TCKind; 50: import org.omg.CORBA.TypeCode; 51: import org.omg.CORBA.portable.InputStream; 52: import org.omg.CORBA.portable.OutputStream; 53: 54: /** 55: * The helper operations for the exception {@link NoContext}. 56: * 57: * @author Audrius Meskauskas, Lithiania (AudriusA@Bioinformatics.org) 58: */ 59: public abstract class NoContextHelper 60: { 61: /** 62: * Create the NoContext typecode (structure, named "NoContext"). 63: */ 64: public static TypeCode type() 65: { 66: ORB orb = OrbRestricted.Singleton; 67: StructMember[] members = new StructMember[0]; 68: return orb.create_exception_tc(id(), "NoContext", members); 69: } 70: 71: /* 72: * Every user exception with no user defined fields can use 73: * EmptyExceptionHolder 74: */ 75: 76: /** 77: * Insert the NoContext into the given Any. 78: * 79: * @param any the Any to insert into. 80: * @param that the NoContext to insert. 81: */ 82: public static void insert(Any any, NoContext that) 83: { 84: any.insert_Streamable(new EmptyExceptionHolder(that, type())); 85: } 86: 87: /** 88: * Extract the NoContext from given Any. 89: * 90: * @throws BAD_OPERATION if the passed Any does not contain NoContext. 91: */ 92: public static NoContext extract(Any any) 93: { 94: try 95: { 96: EmptyExceptionHolder h = 97: (EmptyExceptionHolder) any.extract_Streamable(); 98: return (NoContext) h.value; 99: } 100: catch (ClassCastException cex) 101: { 102: BAD_OPERATION bad = new BAD_OPERATION("NoContext expected"); 103: bad.minor = Minor.Any; 104: bad.initCause(cex); 105: throw bad; 106: } 107: } 108: 109: /** 110: * Get the NoContext repository id. 111: * 112: * @return "IDL:omg.org/PortableServer/Current/NoContext:1.0", always. 113: */ 114: public static String id() 115: { 116: return "IDL:omg.org/PortableServer/Current/NoContext:1.0"; 117: } 118: 119: /** 120: * Read the exception from the CDR intput stream. 121: * 122: * @param input a org.omg.CORBA.portable stream to read from. 123: */ 124: public static NoContext read(InputStream input) 125: { 126: // Read the exception repository id. 127: String id = input.read_string(); 128: NoContext value = new NoContext(id); 129: 130: return value; 131: } 132: 133: /** 134: * Write the exception to the CDR output stream. 135: * 136: * @param output a org.omg.CORBA.portable stream stream to write into. 137: * @param value a value to write. 138: */ 139: public static void write(OutputStream output, NoContext value) 140: { 141: // Write the exception repository id. 142: output.write_string(id()); 143: }