1 /* ServiceInformationHelper.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.OrbRestricted;
42 
43 import org.omg.CORBA.portable.InputStream;
44 import org.omg.CORBA.portable.OutputStream;
45 
46 /**
47  * Helper operations for the service information.
48  *
49  * This class is part of the service information support, but the
50  * 1.4 API specification states that this support should be not implemented.
51  *
52  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
53  */
54 public abstract class ServiceInformationHelper
55 {
56   /**
57    * The service information repository id.
58    */
59   private static String _id = "IDL:org/omg/CORBA/ServiceInformation:1.0";
60 
61   /**
62    * Extract the service information from the given Any.
63    */
extract(Any a)64   public static ServiceInformation extract(Any a)
65   {
66     return read(a.create_input_stream());
67   }
68 
69   /**
70    * Get the service information repositroy id.
71    */
id()72   public static String id()
73   {
74     return _id;
75   }
76 
77   /**
78    * Insert the service information into the given Any.
79    */
insert(Any a, ServiceInformation that)80   public static void insert(Any a, ServiceInformation that)
81   {
82     OutputStream out = a.create_output_stream();
83     a.type(type());
84     write(out, that);
85     a.read_value(out.create_input_stream(), type());
86   }
87 
88   /**
89    * Read the service information from the given CDR input stream.
90    */
read(InputStream istream)91   public static ServiceInformation read(InputStream istream)
92   {
93     ServiceInformation value = new ServiceInformation();
94     value.service_options = LongSeqHelper.read(istream);
95 
96     int n = istream.read_ulong();
97     value.service_details = new ServiceDetail[ n ];
98 
99     for (int i = 0; i < n; i++)
100       value.service_details [ i ] = ServiceDetailHelper.read(istream);
101     return value;
102   }
103 
104   /**
105    * Get the service information typecode.
106    */
type()107   public static TypeCode type()
108   {
109     ORB orb = OrbRestricted.Singleton;
110 
111     StructMember[] members = new StructMember[ 2 ];
112     TypeCode member;
113 
114     member =
115       orb.create_alias_tc("IDL:omg.org/CORBA/ServiceOptionSeq:1.0",
116                           "ServiceOptionSeq", LongSeqHelper.type()
117       );
118 
119     members [ 0 ] = new StructMember("service_options", member, null);
120 
121     member = ServiceDetailHelper.type();
122     member = orb.create_sequence_tc(0, member);
123     member =
124       orb.create_alias_tc("IDL:omg.org/CORBA/ServiceDetailSeq:1.0",
125                           "ServiceDetailSeq", member
126       );
127     members [ 1 ] = new StructMember("service_details", member, null);
128 
129     return
130     orb.create_struct_tc(ServiceInformationHelper.id(),
131                          "ServiceInformation", members
132     );
133   }
134 
135   /**
136    * Write the service information to the given CDR output stream.
137    */
write(OutputStream ostream, ServiceInformation value)138   public static void write(OutputStream ostream, ServiceInformation value)
139   {
140     LongSeqHelper.write(ostream, value.service_options);
141 
142     ostream.write_ulong(value.service_details.length);
143 
144     for (int i = 0; i < value.service_details.length; i++)
145       ServiceDetailHelper.write(ostream, value.service_details [ i ]);
146   }
147 }
148