Source for org.omg.DynamicAny.NameValuePairSeqHelper

   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:   }