1 /* ServiceDetailHelper.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.CORBA; 40 41 import gnu.CORBA.Minor; 42 import gnu.CORBA.OrbRestricted; 43 import gnu.CORBA.ServiceDetailHolder; 44 45 import org.omg.CORBA.portable.InputStream; 46 import org.omg.CORBA.portable.OutputStream; 47 48 /** 49 * The helper operations on the Service Detail. 50 * 51 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 52 */ 53 public abstract class ServiceDetailHelper 54 { 55 /** 56 * The service detail repository id. 57 */ 58 private static String _id = "IDL:omg.org/CORBA/ServiceDetail:1.0"; 59 60 /** 61 * Extract the service detail info from the given {@link Any} 62 * 63 * @param a the Any to extract from. 64 * 65 * @return the extracted detail. 66 * 67 * @throws BAD_OPERATION if the parameter holds something different 68 * from the ServiceDetail. 69 */ extract(Any a)70 public static ServiceDetail extract(Any a) 71 { 72 try 73 { 74 return ((ServiceDetailHolder) a.extract_Streamable()).value; 75 } 76 catch (ClassCastException ex) 77 { 78 BAD_OPERATION bad = new BAD_OPERATION(); 79 bad.initCause(ex); 80 bad.minor = Minor.Any; 81 throw bad; 82 } 83 } 84 85 /** 86 * Get the service detail repository id. 87 * 88 * @return the service detail repository id, 89 * <code>IDL:omg.org/CORBA/ServiceDetail:1.0</code>, always. 90 */ id()91 public static String id() 92 { 93 return _id; 94 } 95 96 /** 97 * Insert the service detail into the given {@link Any}. 98 * 99 * @param a the Any to insert into. 100 * 101 * @param that the detail to insert. 102 */ insert(Any a, ServiceDetail that)103 public static void insert(Any a, ServiceDetail that) 104 { 105 a.insert_Streamable(new ServiceDetailHolder(that)); 106 } 107 108 /** 109 * Read the service detail information from the given CDR 110 * intput stream. First reads the type, then the flexible 111 * length byte sequence. 112 * 113 * @param istream a stram to read from. 114 * 115 * @return the loaded service detail. 116 */ read(InputStream istream)117 public static ServiceDetail read(InputStream istream) 118 { 119 ServiceDetail value = new ServiceDetail(); 120 value.service_detail_type = istream.read_ulong(); 121 122 int l = istream.read_long(); 123 value.service_detail = new byte[ l ]; 124 istream.read_octet_array(value.service_detail, 0, l); 125 return value; 126 } 127 128 /** 129 * Get the typecode of the service detail, assuming to be it 130 * a structure with the two fields. 131 * 132 * @return the newly created or cached typecode value. 133 */ type()134 public static TypeCode type() 135 { 136 ORB orb = OrbRestricted.Singleton; 137 138 StructMember[] members = new StructMember[ 2 ]; 139 140 TypeCode type = 141 orb.create_alias_tc(_id, "ServiceDetailType", 142 orb.get_primitive_tc(TCKind.tk_ulong) 143 ); 144 members [ 0 ] = new StructMember("service_detail_type", type, null); 145 146 TypeCode data = 147 orb.create_sequence_tc(0, orb.get_primitive_tc(TCKind.tk_octet)); 148 members [ 1 ] = new StructMember("service_detail", data, null); 149 150 return orb.create_struct_tc(id(), "ServiceDetail", members); 151 } 152 153 /** 154 * Write the service detail data to the given CDR output stream. 155 * Writes the detail type first, then the detail type data 156 * as the variable length byte sequence. 157 * 158 * @param ostream a stream to write into. 159 * @param value a value to write. 160 */ write(OutputStream ostream, ServiceDetail value)161 public static void write(OutputStream ostream, ServiceDetail value) 162 { 163 ostream.write_ulong(value.service_detail_type); 164 ostream.write_long(value.service_detail.length); 165 ostream.write_octet_array(value.service_detail, 0, 166 value.service_detail.length 167 ); 168 } 169 } 170