001 /* InvalidPolicyHelper.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.PortableServer.POAPackage;
040
041 import gnu.CORBA.Minor;
042 import gnu.CORBA.OrbRestricted;
043 import gnu.CORBA.Poa.InvalidPolicyHolder;
044
045 import org.omg.CORBA.Any;
046 import org.omg.CORBA.BAD_OPERATION;
047 import org.omg.CORBA.ORB;
048 import org.omg.CORBA.StructMember;
049 import org.omg.CORBA.TCKind;
050 import org.omg.CORBA.TypeCode;
051 import org.omg.CORBA.portable.InputStream;
052 import org.omg.CORBA.portable.OutputStream;
053
054 /**
055 * The helper operations for the exception {@link InvalidPolicy}.
056 *
057 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
058 */
059 public abstract class InvalidPolicyHelper
060 {
061 /**
062 * The cached typecode value, computed only once.
063 */
064 private static TypeCode typeCode;
065
066 /**
067 * Create the InvalidPolicy typecode (emtpy structure,
068 * named "InvalidPolicy").
069 * The typecode states that the structure contains the
070 * single field, named "index".
071 */
072 public static TypeCode type()
073 {
074 if (typeCode == null)
075 {
076 ORB orb = OrbRestricted.Singleton;
077 StructMember[] members = new StructMember[ 1 ];
078
079 TypeCode field;
080
081 field = orb.get_primitive_tc(TCKind.tk_ushort);
082 members [ 0 ] = new StructMember("index", field, null);
083 typeCode = orb.create_exception_tc(id(), "InvalidPolicy", members);
084 }
085 return typeCode;
086 }
087
088 /**
089 * Insert the InvalidPolicy into the given Any.
090 * This method uses the InvalidPolicyHolder.
091 *
092 * @param any the Any to insert into.
093 * @param that the InvalidPolicy to insert.
094 */
095 public static void insert(Any any, InvalidPolicy that)
096 {
097 any.insert_Streamable(new InvalidPolicyHolder(that));
098 }
099
100 /**
101 * Extract the InvalidPolicy from given Any.
102 * This method uses the InvalidPolicyHolder.
103 *
104 * @throws BAD_OPERATION if the passed Any does not contain InvalidPolicy.
105 */
106 public static InvalidPolicy extract(Any any)
107 {
108 try
109 {
110 return ((InvalidPolicyHolder) any.extract_Streamable()).value;
111 }
112 catch (ClassCastException cex)
113 {
114 BAD_OPERATION bad = new BAD_OPERATION("InvalidPolicy expected");
115 bad.minor = Minor.Any;
116 bad.initCause(cex);
117 throw bad;
118 }
119 }
120
121 /**
122 * Get the InvalidPolicy repository id.
123 *
124 * @return "IDL:omg.org/PortableServer/POA/InvalidPolicy:1.0", always.
125 */
126 public static String id()
127 {
128 return "IDL:omg.org/PortableServer/POA/InvalidPolicy:1.0";
129 }
130
131 /**
132 * Read the exception from the CDR intput stream.
133 *
134 * @param input a org.omg.CORBA.portable stream to read from.
135 */
136 public static InvalidPolicy read(InputStream input)
137 {
138 // Read the exception repository id.
139 input.read_string();
140 InvalidPolicy value = new InvalidPolicy();
141
142 value.index = input.read_short();
143 return value;
144 }
145
146 /**
147 * Write the exception to the CDR output stream.
148 *
149 * @param output a org.omg.CORBA.portable stream stream to write into.
150 * @param value a value to write.
151 */
152 public static void write(OutputStream output, InvalidPolicy value)
153 {
154 // Write the exception repository id.
155 output.write_string(id());
156 output.write_short(value.index);
157 }
158 }