1 /* NameValuePairHelper.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.DynamicAny; 40 41 import gnu.CORBA.Minor; 42 import gnu.CORBA.NameValuePairHolder; 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 * A helper operations for the structure {@link NameValuePair}. 56 * 57 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 58 */ 59 public abstract class NameValuePairHelper 60 { 61 /** 62 * Create the NameValuePair typecode (structure, 63 * named "NameValuePair"). 64 * The typecode states that the structure contains the 65 * following fields: id, value. 66 */ type()67 public static TypeCode type() 68 { 69 ORB orb = OrbRestricted.Singleton; 70 StructMember[] members = new StructMember[ 2 ]; 71 72 TypeCode field; 73 74 field = 75 orb.create_alias_tc("IDL:omg.org/DynamicAny/FieldName:1.0", 76 "FieldName", 77 orb.get_primitive_tc(TCKind.tk_string) 78 ); 79 members [ 0 ] = new StructMember("id", field, null); 80 81 field = orb.get_primitive_tc(TCKind.tk_any); 82 members [ 1 ] = new StructMember("value", field, null); 83 return orb.create_struct_tc(id(), "NameValuePair", members); 84 } 85 86 /** 87 * Insert the NameValuePair into the given Any. 88 * This method uses the NameValuePairHolder. 89 * 90 * @param any the Any to insert into. 91 * @param that the NameValuePair to insert. 92 */ insert(Any any, NameValuePair that)93 public static void insert(Any any, NameValuePair that) 94 { 95 any.insert_Streamable(new NameValuePairHolder(that)); 96 } 97 98 /** 99 * Extract the NameValuePair from given Any. 100 * This method uses the NameValuePairHolder. 101 * 102 * @throws BAD_OPERATION if the passed Any does not contain NameValuePair. 103 */ extract(Any any)104 public static NameValuePair extract(Any any) 105 { 106 try 107 { 108 return ((NameValuePairHolder) any.extract_Streamable()).value; 109 } 110 catch (ClassCastException cex) 111 { 112 BAD_OPERATION bad = new BAD_OPERATION("NameValuePair expected"); 113 bad.initCause(cex); 114 bad.minor = Minor.Any; 115 throw bad; 116 } 117 } 118 119 /** 120 * Get the NameValuePair repository id. 121 * 122 * @return "IDL:omg.org/DynamicAny/NameValuePair:1.0", always. 123 */ id()124 public static String id() 125 { 126 return "IDL:omg.org/DynamicAny/NameValuePair:1.0"; 127 } 128 129 /** 130 * Read the structure from the CDR intput stream. 131 * 132 * @param input a org.omg.CORBA.portable stream to read from. 133 */ read(InputStream input)134 public static NameValuePair read(InputStream input) 135 { 136 NameValuePair value = new NameValuePair(); 137 value.id = input.read_string(); 138 value.value = input.read_any(); 139 return value; 140 } 141 142 /** 143 * Write the structure to the CDR output stream. 144 * 145 * @param output a org.omg.CORBA.portable stream stream to write into. 146 * @param value a value to write. 147 */ write(OutputStream output, NameValuePair value)148 public static void write(OutputStream output, NameValuePair value) 149 { 150 output.write_string(value.id); 151 output.write_any(value.value); 152 } 153 } 154