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Java > Open Source Codes > com > caucho > quercus > env > SessionVar


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.quercus.env;
31
32 import com.caucho.quercus.QuercusModuleException;
33
34 /**
35  * Represents a PHP variable value.
36  */
37 public class SessionVar extends Var {
38   /**
39    * Sets the value.
40    */
41   public Value set(Value value)
42   {
43     if (value instanceof SessionArrayValue) {
44       return super.set(value);
45     }
46     else if (value instanceof ArrayValue) {
47       ArrayValue arrayValue = (ArrayValue) value;
48       ArrayValue sessionValue = (ArrayValue) getRawValue();
49
50       sessionValue.clear();
51
52       sessionValue.putAll(arrayValue);
53
54       return value;
55     }
56     else if (! value.isset()) {
57       return super.set(value);
58     }
59     else
60       throw new QuercusModuleException(L.l("Can't set this variable"));
61   }
62
63   /**
64    * Sets the value.
65    */
66   protected Value setRaw(Value value)
67   {
68     throw new QuercusModuleException(L.l("Can't set this variable"));
69   }
70 }
71
72
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