libjava/classpath/org/omg/CORBA/PolicyListHelper.java

   1 /* PolicyListHelper.java --
   2    Copyright (C) 2005 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.CORBA;
  40
  41 import gnu.CORBA.Minor;
  42
  43 import org.omg.CORBA.Any;
  44 import org.omg.CORBA.BAD_OPERATION;
  45 import org.omg.CORBA.ORB;
  46 import org.omg.CORBA.StructMember;
  47 import org.omg.CORBA.TCKind;
  48 import org.omg.CORBA.TypeCode;
  49 import org.omg.CORBA.portable.Delegate;
  50 import org.omg.CORBA.portable.InputStream;
  51 import org.omg.CORBA.portable.ObjectImpl;
  52 import org.omg.CORBA.portable.OutputStream;
  53
  54 /**
  55 * The helper operations for the
  56 * CORBA object {@link Policy[]}.
  57 *
  58 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  59 */
  60 public abstract class PolicyListHelper
  61 {
  62   /**
  63    * The cached {@link Policy[]} typecode, computed once.
  64    */
  65   private static TypeCode typeCode;
  66
  67   /**
  68    * Get the type code of the {@link Policy[]}.
  69    */
  70   public static TypeCode type()
  71   {
  72     if (typeCode == null)
  73       typeCode = ORB.init().create_interface_tc(id(), "Policy[]");
  74     return typeCode;
  75   }
  76
  77   /**
  78    * Insert the Policy[] into the given Any.
  79    *
  80    * @param any the Any to insert into.
  81    * @param that the Policy[] to insert.
  82    */
  83   public static void insert(Any any, Policy[] that)
  84   {
  85     any.insert_Streamable(new PolicyListHolder(that));
  86   }
  87
  88   /**
  89    * Extract the Policy[] from given Any.
  90    *
  91    * @throws BAD_OPERATION if the passed Any does not contain Policy[].
  92    */
  93   public static Policy[] extract(Any any)
  94   {
  95     try
  96       {
  97         PolicyListHolder holds = (PolicyListHolder) any.extract_Streamable();
  98         return holds.value;
  99       }
 100     catch (ClassCastException ex)
 101       {
 102         BAD_OPERATION bad = new BAD_OPERATION("Policy[] expected");
 103         bad.minor = Minor.Any;
 104         throw bad;
 105       }
 106   }
 107
 108   /**
 109    * Get the Policy[] repository id.
 110    *
 111    * @return "IDL:omg.org/CORBA/PolicyList:1.0", always.
 112    */
 113   public static String id()
 114   {
 115     return "IDL:omg.org/CORBA/PolicyList:1.0";
 116   }
 117
 118   /**
 119    * Read the sequence of policies from the CDR intput stream.
 120    * The method follows usual CDR standards (an array length as
 121    * CORBA long, followed by the array members, if any).
 122    * The array members are read using {@link PolicyHelper}.
 123    *
 124    * @param input a org.omg.CORBA.portable stream to read from.
 125    */
 126   public static Policy[] read(InputStream input)
 127   {
 128     Policy[] p = new Policy[ input.read_long() ];
 129     for (int i = 0; i < p.length; i++)
 130       {
 131         p [ i ] = PolicyHelper.read(input);
 132       }
 133     return p;
 134   }
 135
 136   /**
 137    * Write the sequence of policies from the CDR intput stream.
 138    * The method follows usual CDR standards (an array length as
 139    * CORBA long, followed by the array members, if any).
 140    * The array members are written using {@link PolicyHelper}.
 141    *
 142    * @param output a org.omg.CORBA.portable stream stream to write into.
 143    * @param value a policy array to write.
 144    */
 145   public static void write(OutputStream output, Policy[] value)
 146   {
 147     output.write_long(value.length);
 148     for (int i = 0; i < value.length; i++)
 149       {
 150         PolicyHelper.write(output, value [ i ]);
 151       }
 152   }
 153 }