1 /* ====================================================================
2 * The Apache Software License, Version 1.1
3 *
4 * Copyright (c) 2000 The Apache Software Foundation. All rights
5 * reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * 3. The end-user documentation included with the redistribution,
20 * if any, must include the following acknowledgment:
21 * "This product includes software developed by the
22 * Apache Software Foundation (http://www.apache.org/)."
23 * Alternately, this acknowledgment may appear in the software itself,
24 * if and wherever such third-party acknowledgments normally appear.
25 *
26 * 4. The names "Apache" and "Apache Software Foundation" must
27 * not be used to endorse or promote products derived from this
28 * software without prior written permission. For written
29 * permission, please contact apache@apache.org.
30 *
31 * 5. Products derived from this software may not be called "Apache",
32 * nor may "Apache" appear in their name, without prior written
33 * permission of the Apache Software Foundation.
34 *
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * SUCH DAMAGE.
47 * ====================================================================
48 *
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation. For more
51 * information on the Apache Software Foundation, please see
52 * <http://www.apache.org/>;.
53 *
54 * Portions of this software are based upon public domain software
55 * originally written at the National Center for Supercomputing Applications,
56 * University of Illinois, Urbana-Champaign.
57 */
58
59 package net.sourceforge.jane.lang.jjtree;
60
61 import java.io.InputStream;
62 import java.io.IOException;
63 import java.util.Enumeration;
64
65 import net.sourceforge.jane.ArtifactLocator;
66 import net.sourceforge.jane.ClassInfoFactory;
67 import net.sourceforge.jane.SourcePathArtifactLocator;
68 import net.sourceforge.jane.Jane;
69 import net.sourceforge.jane.JaneException;
70 import net.sourceforge.jane.lang.ClassInfo;
71 import net.sourceforge.jane.jjtree.*;
72 import net.sourceforge.jane.util.JavaLangUtils;
73
74 /***
75 * A {@link ClassInfoFactory} that creates class information using JJTree.
76 */
77 public class JJTreeClassInfoFactory extends ClassInfoFactory
78 {
79
80 /***
81 * Create an instance of {@link ClassInfo}.
82 */
83 public ClassInfo createClass(Jane jane, ArtifactLocator locator, String className)
84 throws JaneException
85 {
86 InputStream in = null;
87 try {
88 in = ((SourcePathArtifactLocator) locator).getInputStream(className);
89 JavaParser parser = new JavaParser(in);
90 JavaCompilationUnit compilationUnit = parser.parse();
91 JavaClassDeclaration classDecl = compilationUnit
92 .getClassDeclaration(JavaLangUtils.getUnqualifiedClassName(className));
93 if (classDecl == null) {
94 throw new JaneException("Class '" + className + "' not found in source: "
95 + ((SourcePathArtifactLocator) locator).getPath(className));
96 }
97 return new JJTreeClassInfo(jane, compilationUnit, classDecl);
98 } catch (IOException e) {
99 throw new JaneException("Error getting input stream for class: " + className, e);
100 } catch (ParseException e) {
101 throw new JaneException("Cannot parse source for class: " + className, e);
102 }
103 }
104
105 }
106
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