001/* ServiceInformationHelper.java --
002   Copyright (C) 2005 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package org.omg.CORBA;
040
041import gnu.CORBA.OrbRestricted;
042
043import org.omg.CORBA.portable.InputStream;
044import 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 */
054public 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}