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Java > Open Source Codes > freemarker > testcase > TreeView


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
36  * DISCLAIMED. IN NO EVENT SHALL THE VISIGOTH SOFTWARE SOCIETY OR
37  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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,
42  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
43  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44  * SUCH DAMAGE.
45  * ====================================================================
46  *
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.testcase;
54
55 import java.awt.event.WindowAdapter JavaDoc;
56 import java.awt.event.WindowEvent JavaDoc;
57 import java.io.FileReader JavaDoc;
58
59 import javax.swing.JFrame JavaDoc;
60 import javax.swing.JScrollPane JavaDoc;
61 import javax.swing.JTree JavaDoc;
62
63 import freemarker.template.Template;
64
65 public class TreeView {
66
67     static public void main(String JavaDoc[] args) {
68         if (args.length == 0) {
69             usage();
70             return;
71         }
72         String JavaDoc filename = args[0];
73         Template t = null;
74         try {
75             t = new Template(filename, new FileReader JavaDoc(filename));
76         } catch (Exception JavaDoc e) {
77             e.printStackTrace();
78             return;
79         }
80         showTree(t);
81     }
82
83     static void showTree(Template t) {
84         JTree JavaDoc tree = new JTree JavaDoc(t.getRootTreeNode());
85         JFrame JavaDoc jf = new JFrame JavaDoc(t.getName());
86         jf.addWindowListener(new WindowAdapter JavaDoc() {
87             public void windowClosing(WindowEvent JavaDoc e) {
88                 System.exit(0);
89             }
90         });
91         JScrollPane JavaDoc scrollPane = new JScrollPane JavaDoc(tree);
92         jf.getContentPane().add(scrollPane);
93         jf.pack();
94         jf.show();
95     }
96
97     static void usage() {
98         System.err.println("little toy program to display a compiled template as a tree.");
99         System.err.println("Usage: java freemarker.testcase.TreeView <templatefile>");
100     }
101 }
102
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