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