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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: 44: import org.omg.CORBA.Any; 45: import org.omg.CORBA.BAD_OPERATION; 46: import org.omg.CORBA.ORB; 47: import org.omg.CORBA.StructMember; 48: import org.omg.CORBA.TCKind; 49: import org.omg.CORBA.TypeCode; 50: import org.omg.CORBA.portable.InputStream; 51: import org.omg.CORBA.portable.OutputStream; 52: 53: /** 54: * The helper operations for the exception {@link NoContext}. 55: * 56: * @author Audrius Meskauskas, Lithiania (AudriusA@Bioinformatics.org) 57: */ 58: public abstract class NoContextHelper 59: { 60: /** 61: * The cached typecode value, computed only once. 62: */ 63: private static TypeCode typeCode; 64: 65: /** 66: * Create the NoContext typecode (structure, 67: * named "NoContext"). 68: */ 69: public static TypeCode type() 70: { 71: if (typeCode == null) 72: { 73: ORB orb = ORB.init(); 74: StructMember[] members = new StructMember[ 0 ]; 75: typeCode = orb.create_exception_tc(id(), "NoContext", members); 76: } 77: return typeCode; 78: } 79: 80: /* Every user exception with no user defined fields can use EmptyExceptionHolder */ 81: 82: /** 83: * Insert the NoContext into the given Any. 84: * 85: * @param any the Any to insert into. 86: * @param that the NoContext to insert. 87: */ 88: public static void insert(Any any, NoContext that) 89: { 90: any.insert_Streamable(new EmptyExceptionHolder(that, type())); 91: } 92: 93: /** 94: * Extract the NoContext from given Any. 95: * 96: * @throws BAD_OPERATION if the passed Any does not contain NoContext. 97: */ 98: public static NoContext extract(Any any) 99: { 100: try 101: { 102: EmptyExceptionHolder h = 103: (EmptyExceptionHolder) any.extract_Streamable(); 104: return (NoContext) h.value; 105: } 106: catch (ClassCastException cex) 107: { 108: BAD_OPERATION bad = new BAD_OPERATION("NoContext expected"); 109: bad.minor = Minor.Any; 110: bad.initCause(cex); 111: throw bad; 112: } 113: } 114: 115: /** 116: * Get the NoContext repository id. 117: * 118: * @return "IDL:omg.org/PortableServer/Current/NoContext:1.0", always. 119: */ 120: public static String id() 121: { 122: return "IDL:omg.org/PortableServer/Current/NoContext:1.0"; 123: } 124: 125: /** 126: * Read the exception from the CDR intput stream. 127: * 128: * @param input a org.omg.CORBA.portable stream to read from. 129: */ 130: public static NoContext read(InputStream input) 131: { 132: // Read the exception repository id. 133: String id = input.read_string(); 134: NoContext value = new NoContext(id); 135: 136: return value; 137: } 138: 139: /** 140: * Write the exception to the CDR output stream. 141: * 142: * @param output a org.omg.CORBA.portable stream stream to write into. 143: * @param value a value to write. 144: */ 145: public static void write(OutputStream output, NoContext value) 146: { 147: // Write the exception repository id. 148: output.write_string(id()); 149: }
GNU Classpath (0.20) |