old-autovect-branch/libjava/classpath/org/omg/DynamicAny/NameValuePairSeqHelper.java

   1 /* NameValuePairSeq.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.DynamicAny;
  40
  41 import gnu.CORBA.Minor;
  42 import gnu.CORBA.NameValuePairSeqHolder;
  43
  44 import org.omg.CORBA.Any;
  45 import org.omg.CORBA.BAD_OPERATION;
  46 import org.omg.CORBA.ORB;
  47 import org.omg.CORBA.TypeCode;
  48 import org.omg.CORBA.portable.InputStream;
  49 import org.omg.CORBA.portable.OutputStream;
  50
  51 /**
  52  * A helper operations for the array of {@link NameValuePair}.
  53  *
  54  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  55  */
  56 public abstract class NameValuePairSeqHelper
  57 {
  58   /**
  59    * The cached typecode value, computed only once.
  60    */
  61   private static TypeCode typeCode;
  62
  63   public static TypeCode type()
  64   {
  65     if (typeCode == null)
  66       {
  67         ORB orb = ORB.init();
  68         TypeCode t = orb.create_sequence_tc(0, NameValuePairHelper.type());
  69         typeCode = orb.create_alias_tc(id(), "NameValuePairSeq", t);
  70       }
  71     return typeCode;
  72   }
  73
  74   /**
  75    * Insert the NameValuePairSeq into the given Any.
  76    * This method uses the NameValuePairSeqHolder.
  77    *
  78    * @param any the Any to insert into.
  79    * @param those the NameValuePair[] to insert.
  80    */
  81   public static void insert(Any any, NameValuePair[] those)
  82   {
  83     any.insert_Streamable(new NameValuePairSeqHolder(those));
  84   }
  85
  86   /**
  87    * Extract the NameValuePairSeq from given Any.
  88    * This method uses the NameValuePairSeqHolder.
  89    *
  90    * @throws BAD_OPERATION if the passed Any does not contain NameValuePairSeq.
  91    */
  92   public static NameValuePair[] extract(Any any)
  93   {
  94     try
  95       {
  96         return ((NameValuePairSeqHolder) any.extract_Streamable()).value;
  97       }
  98     catch (ClassCastException cex)
  99       {
 100         BAD_OPERATION bad = new BAD_OPERATION("NameValuePairSeq expected");
 101         bad.initCause(cex);
 102         bad.minor = Minor.Any;
 103         throw bad;
 104       }
 105   }
 106
 107   /**
 108    * Get the NameValuePairSeq repository id.
 109    *
 110    * @return "IDL:omg.org/DynamicAny/NameValuePairSeq:1.0", always.
 111    */
 112   public static String id()
 113   {
 114     return "IDL:omg.org/DynamicAny/NameValuePairSeq:1.0";
 115   }
 116
 117   /**
 118    * Read the sequence from the CDR intput stream.
 119    * Expects the array size (as CORBA long), followed by
 120    * the array members (if any).
 121    *
 122    * @param input a org.omg.CORBA.portable stream to read from.
 123    */
 124   public static NameValuePair[] read(InputStream input)
 125   {
 126     NameValuePair[] value;
 127     value = new NameValuePair[ input.read_long() ];
 128     for (int i = 0; i < value.length; i++)
 129       value [ i ] = NameValuePairHelper.read(input);
 130     return value;
 131   }
 132
 133   /**
 134    * Write the structure to the CDR output stream.
 135    * Writes the array size (as CORBA long), followed by
 136    * the array members (if any).
 137    *
 138    * @param output a org.omg.CORBA.portable stream stream to write into.
 139    * @param value an array to write.
 140    */
 141   public static void write(OutputStream output, NameValuePair[] value)
 142   {
 143     output.write_long(value.length);
 144     for (int i0 = 0; i0 < value.length; i0++)
 145       {
 146         NameValuePairHelper.write(output, value [ i0 ]);
 147       }
 148   }
 149 }