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1: /* ForwardRequestHelper.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; 40: 41: import gnu.CORBA.Poa.ForwardRequestHolder; 42: 43: import org.omg.CORBA.Any; 44: import org.omg.CORBA.BAD_OPERATION; 45: import org.omg.CORBA.ORB; 46: import org.omg.CORBA.ObjectHelper; 47: import org.omg.CORBA.StructMember; 48: import org.omg.CORBA.TypeCode; 49: import org.omg.CORBA.portable.InputStream; 50: import org.omg.CORBA.portable.OutputStream; 51: 52: /** 53: * The helper operations for the exception {@link ForwardRequest}. 54: * 55: * @specnote The helper must be here and not in POA subpackage as it must 56: * be discovered by the {@link ObjectCreator} when reading this remote 57: * exception. 58: * 59: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 60: */ 61: public abstract class ForwardRequestHelper 62: { 63: /** 64: * The cached typecode value, computed only once. 65: */ 66: private static TypeCode typeCode; 67: 68: /** 69: * Extract the ForwardRequest from given Any. 70: * This method uses the ForwardRequestHolder. 71: * 72: * @throws BAD_OPERATION if the passed Any does not contain ForwardRequest. 73: */ 74: public static ForwardRequest extract(Any any) 75: { 76: try 77: { 78: return ((ForwardRequestHolder) any.extract_Streamable()).value; 79: } 80: catch (ClassCastException cex) 81: { 82: BAD_OPERATION bad = new BAD_OPERATION("ForwardRequest expected"); 83: bad.initCause(cex); 84: throw bad; 85: } 86: } 87: 88: /** 89: * Get the ForwardRequest repository id. 90: * 91: * @return "ForwardRequest", always. 92: */ 93: public static String id() 94: { 95: return "ForwardRequest"; 96: } 97: 98: /** 99: * Insert the ForwardRequest into the given Any. 100: * This method uses the ForwardRequestHolder. 101: * 102: * @param any the Any to insert into. 103: * @param that the ForwardRequest to insert. 104: */ 105: public static void insert(Any any, ForwardRequest that) 106: { 107: any.insert_Streamable(new ForwardRequestHolder(that)); 108: } 109: 110: /** 111: * Read the exception from the CDR intput stream. 112: * 113: * @param input a org.omg.CORBA.portable stream to read from. 114: */ 115: public static ForwardRequest read(InputStream input) 116: { 117: // Read the exception repository id. 118: String id = input.read_string(); 119: ForwardRequest value = new ForwardRequest(); 120: 121: value.forward_reference = input.read_Object(); 122: return value; 123: } 124: 125: /** 126: * Create the ForwardRequest typecode (structure, 127: * named "ForwardRequest"). 128: * The typecode states that the structure contains the 129: * following fields: forward_reference. 130: */ 131: public static TypeCode type() 132: { 133: if (typeCode == null) 134: { 135: ORB orb = ORB.init(); 136: StructMember[] members = new StructMember[ 1 ]; 137: 138: TypeCode field; 139: 140: field = ObjectHelper.type(); 141: members [ 0 ] = new StructMember("forward_reference", field, null); 142: typeCode = orb.create_exception_tc(id(), "ForwardRequest", members); 143: } 144: return typeCode; 145: } 146: 147: /** 148: * Write the exception to the CDR output stream. 149: * 150: * @param output a org.omg.CORBA.portable stream stream to write into. 151: * @param value a value to write. 152: */ 153: public static void write(OutputStream output, ForwardRequest value) 154: { 155: // Write the exception repository id. 156: output.write_string(id()); 157: output.write_Object(value.forward_reference); 158: }
GNU Classpath (0.18) |