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Java > Open Source Codes > groovy > text > TemplateEngine


1 /*
2  * $Id: TemplateEngine.java,v 1.3 2004/04/19 07:29:43 cpoirier Exp $version Mar 8, 2004 2:08:49 AM $user Exp $
3  *
4  * Copyright 2003 (C) Sam Pullara. All Rights Reserved.
5  *
6  * Redistribution and use of this software and associated documentation
7  * ("Software"), with or without modification, are permitted provided that the
8  * following conditions are met: 1. Redistributions of source code must retain
9  * copyright statements and notices. Redistributions must also contain a copy
10  * of this document. 2. Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer in
12  * the documentation and/or other materials provided with the distribution. 3.
13  * The name "groovy" must not be used to endorse or promote products derived
14  * from this Software without prior written permission of The Codehaus. For
15  * written permission, please contact info@codehaus.org. 4. Products derived
16  * from this Software may not be called "groovy" nor may "groovy" appear in
17  * their names without prior written permission of The Codehaus. "groovy" is a
18  * registered trademark of The Codehaus. 5. Due credit should be given to The
19  * Codehaus - http://groovy.codehaus.org/
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
22  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
25  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
31  * DAMAGE.
32  *
33  */
34 package groovy.text;
35
36 import java.io.File JavaDoc;
37 import java.io.FileNotFoundException JavaDoc;
38 import java.io.FileReader JavaDoc;
39 import java.io.IOException JavaDoc;
40 import java.io.InputStreamReader JavaDoc;
41 import java.io.Reader JavaDoc;
42 import java.io.StringReader JavaDoc;
43 import java.net.URL JavaDoc;
44
45 import org.codehaus.groovy.control.CompilationFailedException;
46
47 /**
48  * Represents an API to any template engine which is basically a factory of Template instances from a given text input.
49  *
50  * @author sam
51  */
52 public abstract class TemplateEngine {
53     public abstract Template createTemplate(Reader JavaDoc reader) throws CompilationFailedException, ClassNotFoundException JavaDoc, IOException JavaDoc;
54     
55     public Template createTemplate(String JavaDoc templateText) throws CompilationFailedException, FileNotFoundException JavaDoc, ClassNotFoundException JavaDoc, IOException JavaDoc {
56         return createTemplate(new StringReader JavaDoc(templateText));
57     }
58     
59     public Template createTemplate(File JavaDoc file) throws CompilationFailedException, FileNotFoundException JavaDoc, ClassNotFoundException JavaDoc, IOException JavaDoc {
60         return createTemplate(new FileReader JavaDoc(file));
61     }
62
63     public Template createTemplate(URL JavaDoc url) throws CompilationFailedException, ClassNotFoundException JavaDoc, IOException JavaDoc {
64         return createTemplate(new InputStreamReader JavaDoc(url.openStream()));
65     }
66 }
67
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