001 /* NameValuePairHelper.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.DynAn.NameValuePairHolder;
042 import gnu.CORBA.typecodes.AliasTypeCode;
043 import gnu.CORBA.typecodes.PrimitiveTypeCode;
044 import gnu.CORBA.typecodes.StringTypeCode;
045 import gnu.CORBA.Minor;
046 import gnu.CORBA.OrbRestricted;
047
048 import org.omg.CORBA.portable.InputStream;
049 import org.omg.CORBA.portable.OutputStream;
050
051 /**
052 * The helper operations for {@link NameValuePair}.
053 *
054 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
055 */
056 public abstract class NameValuePairHelper
057 {
058 /**
059 * The {@link NameValuePair} repository id,
060 * 'IDL:omg.org/CORBA/NameValuePair:1.0'.
061 */
062 private static String _id = "IDL:omg.org/CORBA/NameValuePair:1.0";
063
064 /**
065 * Extract the NameValuePair from the given {@link Any}.
066 */
067 public static NameValuePair extract(Any a)
068 {
069 try
070 {
071 return ((NameValuePairHolder) a.extract_Streamable()).value;
072 }
073 catch (ClassCastException ex)
074 {
075 BAD_OPERATION bad = new BAD_OPERATION("NameValuePair expected");
076 bad.minor = Minor.Any;
077 throw bad;
078 }
079 }
080
081 /**
082 * Return the NameValuePair repository id.
083 */
084 public static String id()
085 {
086 return _id;
087 }
088
089 /**
090 * Insert the NameValuePair into the given {@link Any}.
091 */
092 public static void insert(Any a, NameValuePair that)
093 {
094 a.insert_Streamable(new NameValuePairHolder(that));
095 }
096
097 /**
098 * Read the NameValuePair from the given CDR stream. First reads the
099 * name (id) as string, then the value as {@link Any}.
100 */
101 public static NameValuePair read(InputStream istream)
102 {
103 NameValuePair p = new NameValuePair();
104 p.id = istream.read_string();
105 p.value = istream.read_any();
106 return p;
107 }
108
109 /**
110 * Create the type code for the name value pair.
111 */
112 public static TypeCode type()
113 {
114 StructMember[] members = new StructMember[2];
115
116 TypeCode t_id = new AliasTypeCode(new StringTypeCode(TCKind.tk_string), "",
117 "id");
118
119 members[0] = new StructMember("id", t_id, null);
120
121 members[1] = new StructMember("value",
122 new PrimitiveTypeCode(TCKind.tk_any), null);
123
124 return OrbRestricted.Singleton.create_struct_tc(id(), "NameValuePair",
125 members);
126 }
127
128 /**
129 * Write the exception to the CDR output stream. First writes the
130 * name (id), then the value as {@link Any}.
131 */
132 public static void write(OutputStream ostream, NameValuePair value)
133 {
134 ostream.write_string(value.id);
135 ostream.write_any(value.value);
136 }
137 }