1 /* WrongAdapterHelper.java --
2    Copyright (C) 2005, 2006 Free Software Foundation, Inc.
3 
4 This file is part of GNU Classpath.
5 
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10 
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 General Public License for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING.  If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 USA.
20 
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library.  Thus, the terms and
23 conditions of the GNU General Public License cover the whole
24 combination.
25 
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module.  An independent module is a module which is not derived from
33 or based on this library.  If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so.  If you do not wish to do so, delete this
36 exception statement from your version. */
37 
38 
39 package org.omg.PortableServer.POAPackage;
40 
41 import gnu.CORBA.EmptyExceptionHolder;
42 import gnu.CORBA.Minor;
43 import gnu.CORBA.OrbRestricted;
44 
45 import org.omg.CORBA.Any;
46 import org.omg.CORBA.BAD_OPERATION;
47 import org.omg.CORBA.ORB;
48 import org.omg.CORBA.StructMember;
49 import org.omg.CORBA.TypeCode;
50 import org.omg.CORBA.portable.InputStream;
51 import org.omg.CORBA.portable.OutputStream;
52 
53 /**
54  * The helper operations for the exception {@link WrongAdapter}.
55  *
56  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
57  */
58 public abstract class WrongAdapterHelper
59 {
60   /**
61    * The cached typecode value, computed only once.
62    */
63   private static TypeCode typeCode;
64 
65   /**
66    * Create the WrongAdapter typecode (empty structure,
67    * named "WrongAdapter").
68    */
type()69   public static TypeCode type()
70   {
71     if (typeCode == null)
72       {
73         ORB orb = OrbRestricted.Singleton;
74         StructMember[] members = new StructMember[ 0 ];
75         typeCode = orb.create_exception_tc(id(), "WrongAdapter", members);
76       }
77     return typeCode;
78   }
79 
80   /* Every user exception with no user defined
81      fields can use EmptyExceptionHolder */
82 
83   /**
84    * Insert the WrongAdapter into the given Any.
85    *
86    * @param any the Any to insert into.
87    * @param that the WrongAdapter to insert.
88    */
insert(Any any, WrongAdapter that)89   public static void insert(Any any, WrongAdapter that)
90   {
91     any.insert_Streamable(new EmptyExceptionHolder(that, type()));
92   }
93 
94   /**
95    * Extract the WrongAdapter from given Any.
96    *
97    * @throws BAD_OPERATION if the passed Any does not contain WrongAdapter.
98    */
extract(Any any)99   public static WrongAdapter extract(Any any)
100   {
101     try
102       {
103         EmptyExceptionHolder h =
104           (EmptyExceptionHolder) any.extract_Streamable();
105         return (WrongAdapter) h.value;
106       }
107     catch (ClassCastException cex)
108       {
109         BAD_OPERATION bad = new BAD_OPERATION("WrongAdapter expected");
110         bad.minor = Minor.Any;
111         bad.initCause(cex);
112         throw bad;
113       }
114   }
115 
116   /**
117    * Get the WrongAdapter repository id.
118    *
119    * @return "IDL:omg.org/PortableServer/POA/WrongAdapter:1.0", always.
120    */
id()121   public static String id()
122   {
123     return "IDL:omg.org/PortableServer/POA/WrongAdapter:1.0";
124   }
125 
126   /**
127    * Read the exception from the CDR intput stream.
128    *
129    * @param input a org.omg.CORBA.portable stream to read from.
130    */
read(InputStream input)131   public static WrongAdapter read(InputStream input)
132   {
133     // Read the exception repository id.
134     String id = input.read_string();
135     WrongAdapter value = new WrongAdapter(id);
136 
137     return value;
138   }
139 
140   /**
141    * Write the exception to the CDR output stream.
142    *
143    * @param output a org.omg.CORBA.portable stream stream to write into.
144    * @param value a value to write.
145    */
write(OutputStream output, WrongAdapter value)146   public static void write(OutputStream output, WrongAdapter value)
147   {
148     // Write the exception repository id.
149     output.write_string(id());
150   }
151 }
152