001 /* ServiceDetailHelper.java -- 002 Copyright (C) 2005 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package org.omg.CORBA; 040 041 import gnu.CORBA.Minor; 042 import gnu.CORBA.OrbRestricted; 043 import gnu.CORBA.ServiceDetailHolder; 044 045 import org.omg.CORBA.portable.InputStream; 046 import org.omg.CORBA.portable.OutputStream; 047 048 /** 049 * The helper operations on the Service Detail. 050 * 051 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 052 */ 053 public abstract class ServiceDetailHelper 054 { 055 /** 056 * The service detail repository id. 057 */ 058 private static String _id = "IDL:omg.org/CORBA/ServiceDetail:1.0"; 059 060 /** 061 * Extract the service detail info from the given {@link Any} 062 * 063 * @param a the Any to extract from. 064 * 065 * @return the extracted detail. 066 * 067 * @throws BAD_OPERATION if the parameter holds something different 068 * from the ServiceDetail. 069 */ 070 public static ServiceDetail extract(Any a) 071 { 072 try 073 { 074 return ((ServiceDetailHolder) a.extract_Streamable()).value; 075 } 076 catch (ClassCastException ex) 077 { 078 BAD_OPERATION bad = new BAD_OPERATION(); 079 bad.initCause(ex); 080 bad.minor = Minor.Any; 081 throw bad; 082 } 083 } 084 085 /** 086 * Get the service detail repository id. 087 * 088 * @return the service detail repository id, 089 * <code>IDL:omg.org/CORBA/ServiceDetail:1.0</code>, always. 090 */ 091 public static String id() 092 { 093 return _id; 094 } 095 096 /** 097 * Insert the service detail into the given {@link Any}. 098 * 099 * @param a the Any to insert into. 100 * 101 * @param that the detail to insert. 102 */ 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 */ 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 */ 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 */ 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 }