Source for org.omg.CORBA.PolicyListHelper

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