| Frames | No Frames |
1: /* DynArrayHelper.java -- 2: Copyright (C) 2005, 2006 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.DynamicAny; 40: 41: import gnu.CORBA.OrbRestricted; 42: 43: import org.omg.CORBA.BAD_OPERATION; 44: import org.omg.CORBA.BAD_PARAM; 45: import org.omg.CORBA.TypeCode; 46: import org.omg.CORBA.Any; 47: import org.omg.CORBA.portable.InputStream; 48: import org.omg.CORBA.MARSHAL; 49: import org.omg.CORBA.portable.OutputStream; 50: 51: /** 52: * The helper operations for {@link DynArray}. Following the 1.5 JDK 53: * specifications, DynArray is always a local object, so the two methods of this 54: * helper ({@link #read} and {@link #write} are not in use, always throwing 55: * {@link MARSHAL}. 56: * 57: * @specnote always throwing MARSHAL in read and write ensures compatibility 58: * with other popular implementations like Sun's. 59: * 60: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 61: */ 62: public abstract class DynArrayHelper 63: { 64: /** 65: * Cast the passed object into the DynArray. As DynArray is a local object, 66: * the method just uses java type cast. 67: * 68: * @param obj the object to narrow. 69: * @return narrowed instance. 70: * @throws BAD_PARAM if the passed object is not a DynArray. 71: */ 72: public static DynArray narrow(org.omg.CORBA.Object obj) 73: { 74: try 75: { 76: return (DynArray) obj; 77: } 78: catch (ClassCastException cex) 79: { 80: throw new BAD_PARAM(obj.getClass().getName() + " is not a DynArray"); 81: } 82: } 83: 84: /** 85: * Narrow the given object to the DynArray. For the objects that are 86: * always local, this operation does not differ from the ordinary 87: * {@link #narrow} (ClassCastException will be thrown if narrowing something 88: * different). See OMG issue 4158. 89: * 90: * @param obj the object to cast. 91: * 92: * @return the casted DynArray. 93: * 94: * @since 1.5 95: */ 96: public static DynArray unchecked_narrow(org.omg.CORBA.Object obj) 97: { 98: return narrow(obj); 99: } 100: 101: /** 102: * Get the type code of the {@link DynArray}. 103: */ 104: public static TypeCode type() 105: { 106: return OrbRestricted.Singleton.create_interface_tc(id(), "DynArray"); 107: } 108: 109: /** 110: * Insert the DynArray into the given Any. 111: * 112: * @param any the Any to insert into. 113: * 114: * @param that the DynArray to insert. 115: */ 116: public static void insert(Any any, DynArray that) 117: { 118: any.insert_Object(that); 119: } 120: 121: /** 122: * Extract the DynArray from given Any. 123: * 124: * @throws BAD_OPERATION if the passed Any does not contain DynArray. 125: */ 126: public static DynArray extract(Any any) 127: { 128: return narrow(any.extract_Object()); 129: } 130: 131: /** 132: * Get the DynArray repository id. 133: * 134: * @return "IDL:omg.org/DynamicAny/DynArray:1.0", always. 135: */ 136: public static String id() 137: { 138: return "IDL:omg.org/DynamicAny/DynArray:1.0"; 139: } 140: 141: /** 142: * This should read DynArray from the CDR input stream, but (following the JDK 143: * 1.5 API) it does not. 144: * 145: * @param input a org.omg.CORBA.portable stream to read from. 146: * 147: * @specenote Sun throws the same exception. 148: * 149: * @throws MARSHAL always. 150: */ 151: public static DynArray read(InputStream input) 152: { 153: throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id())); 154: } 155: 156: /** 157: * This should read DynArray from the CDR input stream, but (following the JDK 158: * 1.5 API) it does not. 159: * 160: * @param output a org.omg.CORBA.portable stream to write into. 161: * 162: * @specenote Sun throws the same exception. 163: * 164: * @throws MARSHAL always. 165: */ 166: public static void write(OutputStream output, DynArray value) 167: { 168: throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id())); 169: } 170: }