001    /* ServiceInformationHelper.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.OrbRestricted;
042    
043    import org.omg.CORBA.portable.InputStream;
044    import org.omg.CORBA.portable.OutputStream;
045    
046    /**
047     * Helper operations for the service information.
048     *
049     * This class is part of the service information support, but the
050     * 1.4 API specification states that this support should be not implemented.
051     *
052     * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
053     */
054    public abstract class ServiceInformationHelper
055    {
056      /**
057       * The service information repository id.
058       */
059      private static String _id = "IDL:org/omg/CORBA/ServiceInformation:1.0";
060    
061      /**
062       * Extract the service information from the given Any.
063       */
064      public static ServiceInformation extract(Any a)
065      {
066        return read(a.create_input_stream());
067      }
068    
069      /**
070       * Get the service information repositroy id.
071       */
072      public static String id()
073      {
074        return _id;
075      }
076    
077      /**
078       * Insert the service information into the given Any.
079       */
080      public static void insert(Any a, ServiceInformation that)
081      {
082        OutputStream out = a.create_output_stream();
083        a.type(type());
084        write(out, that);
085        a.read_value(out.create_input_stream(), type());
086      }
087    
088      /**
089       * Read the service information from the given CDR input stream.
090       */
091      public static ServiceInformation read(InputStream istream)
092      {
093        ServiceInformation value = new ServiceInformation();
094        value.service_options = LongSeqHelper.read(istream);
095    
096        int n = istream.read_ulong();
097        value.service_details = new ServiceDetail[ n ];
098    
099        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       */
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       */
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    }