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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: 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: * A helper operations for the structure {@link NameValuePair}. 55: * 56: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 57: */ 58: public abstract class NameValuePairHelper 59: { 60: /** 61: * The cached typecode value, computed only once. 62: */ 63: private static TypeCode typeCode; 64: 65: /** 66: * Create the NameValuePair typecode (structure, 67: * named "NameValuePair"). 68: * The typecode states that the structure contains the 69: * following fields: id, value. 70: */ 71: public static TypeCode type() 72: { 73: if (typeCode == null) 74: { 75: ORB orb = ORB.init(); 76: StructMember[] members = new StructMember[ 2 ]; 77: 78: TypeCode field; 79: 80: field = 81: orb.create_alias_tc("IDL:omg.org/DynamicAny/FieldName:1.0", 82: "FieldName", 83: orb.get_primitive_tc(TCKind.tk_string) 84: ); 85: members [ 0 ] = new StructMember("id", field, null); 86: 87: field = orb.get_primitive_tc(TCKind.tk_any); 88: members [ 1 ] = new StructMember("value", field, null); 89: typeCode = orb.create_struct_tc(id(), "NameValuePair", members); 90: } 91: return typeCode; 92: } 93: 94: /** 95: * Insert the NameValuePair into the given Any. 96: * This method uses the NameValuePairHolder. 97: * 98: * @param any the Any to insert into. 99: * @param that the NameValuePair to insert. 100: */ 101: public static void insert(Any any, NameValuePair that) 102: { 103: any.insert_Streamable(new NameValuePairHolder(that)); 104: } 105: 106: /** 107: * Extract the NameValuePair from given Any. 108: * This method uses the NameValuePairHolder. 109: * 110: * @throws BAD_OPERATION if the passed Any does not contain NameValuePair. 111: */ 112: public static NameValuePair extract(Any any) 113: { 114: try 115: { 116: return ((NameValuePairHolder) any.extract_Streamable()).value; 117: } 118: catch (ClassCastException cex) 119: { 120: BAD_OPERATION bad = new BAD_OPERATION("NameValuePair expected"); 121: bad.initCause(cex); 122: bad.minor = Minor.Any; 123: throw bad; 124: } 125: } 126: 127: /** 128: * Get the NameValuePair repository id. 129: * 130: * @return "IDL:omg.org/DynamicAny/NameValuePair:1.0", always. 131: */ 132: public static String id() 133: { 134: return "IDL:omg.org/DynamicAny/NameValuePair:1.0"; 135: } 136: 137: /** 138: * Read the structure from the CDR intput stream. 139: * 140: * @param input a org.omg.CORBA.portable stream to read from. 141: */ 142: public static NameValuePair read(InputStream input) 143: { 144: NameValuePair value = new NameValuePair(); 145: value.id = input.read_string(); 146: value.value = input.read_any(); 147: return value; 148: } 149: 150: /** 151: * Write the structure to the CDR output stream. 152: * 153: * @param output a org.omg.CORBA.portable stream stream to write into. 154: * @param value a value to write. 155: */ 156: public static void write(OutputStream output, NameValuePair value) 157: { 158: output.write_string(value.id); 159: output.write_any(value.value); 160: }
GNU Classpath (0.20) |