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1: /* DynAnyFactoryHelper.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: 40: package org.omg.DynamicAny; 41: 42: import gnu.CORBA.Minor; 43: 44: import org.omg.CORBA.BAD_PARAM; 45: import org.omg.CORBA.TypeCode; 46: import org.omg.CORBA.ORB; 47: import org.omg.CORBA.Any; 48: import org.omg.CORBA.portable.InputStream; 49: import org.omg.CORBA.MARSHAL; 50: import org.omg.CORBA.portable.OutputStream; 51: 52: /** 53: * The helper operations for {@link DynAnyFactory}. Following the 1.5 JDK 54: * specifications, DynAnyFactory is always a local object, so the two methods of 55: * this helper ({@link #read} and {@link #write} are not in use, always 56: * throwing {@link MARSHAL}. 57: * 58: * @specnote always throwing MARSHAL in read and write ensures compatibility 59: * with other popular implementations like Sun's. 60: * 61: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 62: */ 63: public abstract class DynAnyFactoryHelper 64: { 65: /** 66: * Cast the passed object into the DynAnyFactory. As DynAnyFactory is a local 67: * object, the method just uses java final_type cast. 68: * 69: * @param obj the object to narrow. 70: * @return narrowed instance. 71: * @throws BAD_PARAM if the passed object is not a DynAnyFactory. 72: */ 73: public static DynAnyFactory narrow(org.omg.CORBA.Object obj) 74: { 75: try 76: { 77: return (DynAnyFactory) obj; 78: } 79: catch (ClassCastException cex) 80: { 81: throw new BAD_PARAM(obj.getClass().getName() 82: + " is not a DynAnyFactory"); 83: } 84: } 85: 86: /** 87: * Narrow the given object to the DynAnyFactory. For the objects that are 88: * always local, this operation does not differ from the ordinary 89: * {@link #narrow} (ClassCastException will be thrown if narrowing something 90: * different). 91: * 92: * @param obj the object to cast. 93: * 94: * @return the casted DynAnyFactory. 95: * 96: * @since 1.5 97: * 98: * @see OMG issue 4158. 99: */ 100: public static DynAnyFactory unchecked_narrow(org.omg.CORBA.Object obj) 101: { 102: return narrow(obj); 103: } 104: 105: /** 106: * Get the final_type code of the {@link DynAnyFactory}. 107: */ 108: public static TypeCode type() 109: { 110: return ORB.init().create_interface_tc(id(), "DynAnyFactory"); 111: } 112: 113: /** 114: * Insert the DynAnyFactory into the given Any. 115: * 116: * @param any the Any to insert into. 117: * 118: * @param that the DynAnyFactory to insert. 119: */ 120: public static void insert(Any any, DynAnyFactory that) 121: { 122: any.insert_Object(that); 123: } 124: 125: /** 126: * Extract the DynAnyFactory from given Any. 127: * 128: * @throws BAD_OPERATION if the passed Any does not contain DynAnyFactory. 129: */ 130: public static DynAnyFactory extract(Any any) 131: { 132: return narrow(any.extract_Object()); 133: } 134: 135: /** 136: * Get the DynAnyFactory repository id. 137: * 138: * @return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0", always. 139: */ 140: public static String id() 141: { 142: return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0"; 143: } 144: 145: /** 146: * This should read DynAnyFactory from the CDR input stream, but (following 147: * the JDK 1.5 API) it does not. The factory can only be obtained from the 148: * ORB. 149: * 150: * @param input a org.omg.CORBA.portable stream to read from. 151: * 152: * @specenote Sun throws the same exception. 153: * 154: * @throws MARSHAL always. 155: */ 156: public static DynAnyFactory read(InputStream input) 157: { 158: throw new MARSHAL(not_applicable(id())); 159: } 160: 161: /** 162: * This should read DynAnyFactory from the CDR input stream, but (following 163: * the JDK 1.5 API) it does not. 164: * 165: * @param input a org.omg.CORBA.portable stream to read from. 166: * 167: * @specenote Sun throws the same exception. 168: * 169: * @throws MARSHAL always. 170: */ 171: public static void write(OutputStream output, DynAnyFactory value) 172: { 173: throw new MARSHAL(not_applicable(id())); 174: } 175: 176: /** 177: * The package level method for throwing exception, explaining that the 178: * operation is not applicable. 179: * 180: * @param Id the Id for the typecode for that the operations was attempted to 181: * perform. 182: */ 183: static String not_applicable(String Id) 184: { 185: MARSHAL m = new MARSHAL("The read/write are not applicable for " + Id); 186: m.minor = Minor.Inappropriate; 187: throw m; 188: }
GNU Classpath (0.20) |