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Java > Open Source Codes > com > genimen > djeneric > tools > scriptengine > core > nodes > ConstructorNode


1 /*
2  * Copyright (c) 2001-2005 by Genimen BV (www.genimen.com) All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, is permitted provided that the following conditions are met: -
6  * Redistributions of source code must retain the above copyright notice, this
7  * list of conditions and the following disclaimer. - Redistributions in binary
8  * form must reproduce the above copyright notice, this list of conditions and
9  * the following disclaimer in the documentation and/or other materials
10  * provided with the distribution. - All advertising materials mentioning
11  * features or use of this software must display the following acknowledgment:
12  * "This product includes Djeneric." - Products derived from this software may
13  * not be called "Djeneric" nor may "Djeneric" appear in their names without
14  * prior written permission of Genimen BV. - Redistributions of any form
15  * whatsoever must retain the following acknowledgment: "This product includes
16  * Djeneric."
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL GENIMEN BV, DJENERIC.ORG, OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 package com.genimen.djeneric.tools.scriptengine.core.nodes;
31
32 import java.util.HashMap JavaDoc;
33 import java.util.Iterator JavaDoc;
34
35 import com.genimen.djeneric.tools.scriptengine.core.DjScriptParserEngine;
36 import com.genimen.djeneric.tools.scriptengine.core.SimpleNode;
37 import com.genimen.djeneric.tools.scriptengine.core.util.DjScriptCompileTimeScope;
38 import com.genimen.djeneric.tools.scriptengine.core.util.DjScriptExecutionException;
39 import com.genimen.djeneric.tools.scriptengine.core.util.DjScriptExecutionTimeScope;
40 import com.genimen.djeneric.tools.scriptengine.core.util.Variable;
41
42 public class ConstructorNode extends SimpleNode
43 {
44
45   public ConstructorNode(int i)
46   {
47     super(i);
48   }
49
50   public ConstructorNode(DjScriptParserEngine p, int i)
51   {
52     super(p, i);
53   }
54
55   public String JavaDoc getName()
56   {
57     return "constructor";
58   }
59
60   public String JavaDoc getNodeTitle()
61   {
62     return "Constructor";
63   }
64
65   public String JavaDoc toString()
66   {
67     return getName();
68   }
69
70   public void execute(DjScriptExecutionTimeScope ctxt) throws DjScriptExecutionException
71   {
72     BodyNode body = (BodyNode) getChild(BodyNode.class);
73
74     // Variables decalred in the constructor are global so keep the stack!
75 body.executeButKeepStack(ctxt);
76   }
77
78   public void declareGlobals(DjScriptCompileTimeScope ctxt) throws DjScriptExecutionException
79   {
80     HashMap JavaDoc vars = new HashMap JavaDoc();
81     collectVariables(ctxt, vars, -1);
82     Iterator JavaDoc it = vars.keySet().iterator();
83     while (it.hasNext())
84     {
85       String JavaDoc key = it.next().toString();
86       ctxt.pushVariable(new Variable(key, null, (String JavaDoc) vars.get(key)));
87     }
88   }
89
90 }
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