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Java > Open Source Codes > freemarker > ext > ant > UnlinkedJythonOperationsImpl


1 /*
2  * Copyright (c) 2003 The Visigoth Software Society. All rights
3  * reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in
14  * the documentation and/or other materials provided with the
15  * distribution.
16  *
17  * 3. The end-user documentation included with the redistribution, if
18  * any, must include the following acknowledgement:
19  * "This product includes software developed by the
20  * Visigoth Software Society (http://www.visigoths.org/)."
21  * Alternately, this acknowledgement may appear in the software itself,
22  * if and wherever such third-party acknowledgements normally appear.
23  *
24  * 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the
25  * project contributors may be used to endorse or promote products derived
26  * from this software without prior written permission. For written
27  * permission, please contact visigoths@visigoths.org.
28  *
29  * 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
30  * nor may "FreeMarker" or "Visigoth" appear in their names
31  * without prior written permission of the Visigoth Software Society.
32  *
33  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
34  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
35  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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39  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
40  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
41  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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44  * SUCH DAMAGE.
45  * ====================================================================
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47  * This software consists of voluntary contributions made by many
48  * individuals on behalf of the Visigoth Software Society. For more
49  * information on the Visigoth Software Society, please see
50  * http://www.visigoths.org/
51  */
52
53 package freemarker.ext.ant;
54
55 import java.io.*;
56 import java.util.Iterator JavaDoc;
57 import java.util.Map JavaDoc;
58
59 import org.apache.tools.ant.BuildException;
60 import org.python.util.PythonInterpreter;
61
62 /**
63  * Used internally, public for technical reasons only.
64  */
65 public class UnlinkedJythonOperationsImpl implements UnlinkedJythonOperations {
66     
67     public void execute(String JavaDoc script, Map JavaDoc vars) throws BuildException {
68         PythonInterpreter pi = createInterpreter(vars);
69         pi.exec(script);
70     }
71
72     public void execute(File file, Map JavaDoc vars) throws BuildException {
73         PythonInterpreter pi = createInterpreter(vars);
74         try {
75             pi.execfile(file.getCanonicalPath());
76         } catch (IOException e) {
77             throw new BuildException(e);
78         }
79     }
80     
81     private PythonInterpreter createInterpreter(Map JavaDoc vars) {
82         PythonInterpreter pi = new PythonInterpreter();
83         Iterator JavaDoc it = vars.entrySet().iterator();
84         while (it.hasNext()) {
85             Map.Entry JavaDoc ent = (Map.Entry JavaDoc) it.next();
86             pi.set((String JavaDoc) ent.getKey(), ent.getValue());
87         }
88         return pi;
89     }
90     
91 }
92
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