001 /* NameComponentHelper.java --
002 Copyright (C) 2005, 2006 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.CosNaming;
040
041 import gnu.CORBA.Minor;
042 import gnu.CORBA.OrbRestricted;
043
044 import org.omg.CORBA.Any;
045 import org.omg.CORBA.BAD_OPERATION;
046 import org.omg.CORBA.ORB;
047 import org.omg.CORBA.StructMember;
048 import org.omg.CORBA.TypeCode;
049 import org.omg.CORBA.portable.InputStream;
050 import org.omg.CORBA.portable.OutputStream;
051
052 /**
053 * A helper classes for the name component.
054 *
055 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
056 */
057 public abstract class NameComponentHelper
058 {
059 /**
060 * A {@link NameComponent} repository id.
061 */
062 private static String _id = "IDL:omg.org/CosNaming/NameComponent:1.0";
063
064 /**
065 * Extract the name component from this {@link Any}
066 */
067 public static NameComponent extract(Any a)
068 {
069 try
070 {
071 return ((NameComponentHolder) a.extract_Streamable()).value;
072 }
073 catch (ClassCastException ex)
074 {
075 BAD_OPERATION bad = new BAD_OPERATION("Name component expected");
076 bad.initCause(ex);
077 bad.minor = Minor.Any;
078 throw bad;
079 }
080 }
081
082 /**
083 * Get the repository Id of the {@link NameComponent}.
084 * @return "IDL:omg.org/CosNaming/NameComponent:1.0"
085 */
086 public static String id()
087 {
088 return _id;
089 }
090
091 /**
092 * Insert the name compnent into the given {@link Any}.
093 */
094 public static void insert(Any a, NameComponent that)
095 {
096 a.insert_Streamable(new NameComponentHolder(that));
097 }
098
099 /**
100 * Read the name component from the given CDR input stream.
101 */
102 public static NameComponent read(InputStream istream)
103 {
104 NameComponent value = new NameComponent();
105 value.id = istream.read_string();
106 value.kind = istream.read_string();
107 return value;
108 }
109
110 /**
111 * Get the type code of the named component.
112 */
113 public static TypeCode type()
114 {
115 ORB orb = OrbRestricted.Singleton;
116
117 StructMember[] members = new StructMember[ 2 ];
118 TypeCode member;
119 member = orb.create_string_tc(0);
120 members [ 0 ] = new StructMember("id", member, null);
121 member = orb.create_string_tc(0);
122 members [ 1 ] = new StructMember("kind", member, null);
123 return
124 orb.create_struct_tc(NameComponentHelper.id(), "NameComponent",
125 members
126 );
127 }
128
129 /**
130 * Write the named component into the CDR output stream.
131 */
132 public static void write(OutputStream ostream, NameComponent value)
133 {
134 ostream.write_string(value.id);
135 ostream.write_string(value.kind);
136 }
137 }