001    /* InvalidValueHelper.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.DynamicAny.DynAnyPackage;
040    
041    import gnu.CORBA.EmptyExceptionHolder;
042    import gnu.CORBA.Minor;
043    import gnu.CORBA.OrbRestricted;
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.TypeCode;
050    import org.omg.CORBA.portable.InputStream;
051    import org.omg.CORBA.portable.OutputStream;
052    
053    /**
054    * The helper operations for the exception {@link InvalidValue}.
055    *
056    * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
057    */
058    public abstract class InvalidValueHelper
059    {
060      /**
061       * Create the InvalidValue typecode (structure, named "InvalidValue").
062       */
063      public static TypeCode type()
064      {
065        ORB orb = OrbRestricted.Singleton;
066        StructMember[] members = new StructMember[0];
067        return orb.create_exception_tc(id(), "InvalidValue", members);
068      }
069    
070      /* Every user exception with no user defined
071         fields can use EmptyExceptionHolder */
072    
073      /**
074       * Insert the InvalidValue into the given Any.
075       *
076       * @param any the Any to insert into.
077       * @param that the InvalidValue to insert.
078       */
079      public static void insert(Any any, InvalidValue that)
080      {
081        any.insert_Streamable(new EmptyExceptionHolder(that, type()));
082      }
083    
084      /**
085       * Extract the InvalidValue from given Any.
086       *
087       * @throws BAD_OPERATION if the passed Any does not contain InvalidValue.
088       */
089      public static InvalidValue extract(Any any)
090      {
091        try
092          {
093            EmptyExceptionHolder h =
094              (EmptyExceptionHolder) any.extract_Streamable();
095            return (InvalidValue) h.value;
096          }
097        catch (ClassCastException cex)
098          {
099            BAD_OPERATION bad = new BAD_OPERATION("InvalidValue expected");
100            bad.initCause(cex);
101            bad.minor = Minor.Any;
102            throw bad;
103          }
104      }
105    
106      /**
107       * Get the InvalidValue repository id.
108       *
109       * @return "IDL:omg.org/DynamicAny/DynAny/InvalidValue:1.0", always.
110       */
111      public static String id()
112      {
113        return "IDL:omg.org/DynamicAny/DynAny/InvalidValue:1.0";
114      }
115    
116      /**
117       * Read the exception from the CDR intput stream.
118       *
119       * @param input a org.omg.CORBA.portable stream to read from.
120       */
121      public static InvalidValue read(InputStream input)
122      {
123        // Read the exception repository id.
124        String id = input.read_string();
125        InvalidValue value = new InvalidValue(id);
126    
127        return value;
128      }
129    
130      /**
131       * Write the exception to the CDR output stream.
132       *
133       * @param output a org.omg.CORBA.portable stream stream to write into.
134       * @param value a value to write.
135       */
136      public static void write(OutputStream output, InvalidValue value)
137      {
138        // Write the exception repository id.
139        output.write_string(id());
140      }
141    }