001/* BindingListHelper.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.CosNaming;
040
041import gnu.CORBA.OrbRestricted;
042
043import org.omg.CORBA.Any;
044import org.omg.CORBA.BAD_OPERATION;
045import org.omg.CORBA.ORB;
046import org.omg.CORBA.TypeCode;
047import org.omg.CORBA.portable.InputStream;
048import org.omg.CORBA.portable.OutputStream;
049
050/**
051 * The helper operations for the binding list.
052 *
053 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
054 */
055public abstract class BindingListHelper
056{
057  /**
058   * The binding list repository id.
059   */
060  private static String _id = "IDL:omg.org/CosNaming/BindingList:1.0";
061
062  /**
063   * Extract the array of bindings from the given {@link Any}.
064   */
065  public static Binding[] extract(Any a)
066  {
067    try
068      {
069        return ((BindingListHolder) a.extract_Streamable()).value;
070      }
071    catch (ClassCastException ex)
072      {
073        BAD_OPERATION bad = new BAD_OPERATION("Binding list expected");
074        bad.initCause(ex);
075        throw bad;
076      }
077  }
078
079  /**
080   * Get the binding list repository id.
081   */
082  public static String id()
083  {
084    return _id;
085  }
086
087  /**
088   * Insert the array of bindings into the given {@link Any}.
089   */
090  public static void insert(Any a, Binding[] bindings)
091  {
092    a.insert_Streamable(new BindingListHolder(bindings));
093  }
094
095  /**
096   * Read the array of bindings from the given CDR input stream.
097   */
098  public static Binding[] read(InputStream istream)
099  {
100    Binding[] value = new Binding[ istream.read_long() ];
101
102    for (int i = 0; i < value.length; i++)
103      value [ i ] = BindingHelper.read(istream);
104    return value;
105  }
106
107  /**
108   * Return the binding array type code.
109   */
110  public static TypeCode type()
111  {
112    TypeCode typeCode;
113    ORB orb = OrbRestricted.Singleton;
114    typeCode = BindingHelper.type();
115    typeCode = orb.create_sequence_tc(0, typeCode);
116    typeCode = orb.create_alias_tc(id(), "BindingList", typeCode);
117    return typeCode;
118  }
119
120  /**
121   * Write the array of bindings into the given CDR output stream.
122   */
123  public static void write(OutputStream ostream, Binding[] value)
124  {
125    ostream.write_long(value.length);
126    for (int i = 0; i < value.length; i++)
127      org.omg.CosNaming.BindingHelper.write(ostream, value [ i ]);
128  }
129}