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Java > Open Source Codes > com > caucho > es > ESWrapper


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  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.es;
30
31 import com.caucho.util.IntMap;
32
33 /**
34  * JavaScript object
35  */
36 class ESWrapper extends ESObject {
37   ESBase value;
38
39   public ESString toSource(IntMap map, boolean isLoopPass) throws Throwable JavaDoc
40   {
41     if (isLoopPass) {
42       return value.toSource(map, isLoopPass);
43     }
44
45     Global resin = Global.getGlobalProto();
46
47     if (prototype == resin.boolProto)
48       return ESString.create("new Boolean(" +
49                  value.toSource(map, isLoopPass) + ")");
50     else if (prototype == resin.numProto)
51       return ESString.create("new Number(" +
52                  value.toSource(map, isLoopPass) + ")");
53     else if (prototype == resin.stringProto)
54       return ESString.create("new String(" +
55                  value.toSource(map, isLoopPass) + ")");
56     else
57       return ESString.create("#unknown#");
58   }
59
60   protected ESWrapper() {}
61   protected ESObject dup() {
62     ESWrapper newWrapper = new ESWrapper();
63     newWrapper.value = value; // needs clone?
64 return newWrapper;
65   }
66
67   public ESWrapper(String JavaDoc className, ESBase proto, ESBase value)
68   {
69     super(className, proto);
70
71     if (value instanceof ESObject)
72       throw new RuntimeException JavaDoc("cannot wrap object");
73
74     this.value = value;
75   }
76 }
77
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