Repository navigation
Expand file tree
/
Copy pathClassSearch.java
More file actions
102 lines (91 loc) · 3.66 KB
/
Copy pathClassSearch.java
File metadata and controls
102 lines (91 loc) · 3.66 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
/*
* Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
*
* Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
* that is described in this document. In particular, and without limitation, these intellectual property
* rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
* more additional patents or pending patent applications in the U.S. and in other countries.
*
* U.S. Government Rights - Commercial software. Government users are subject to the Sun
* Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
* supplements.
*
* Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
* registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
* are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
* U.S. and other countries.
*
* UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
* Company, Ltd.
*/
package com.sun.max.program;
import java.io.*;
import java.util.*;
import java.util.zip.*;
import com.sun.max.lang.*;
/**
* Provides a facility for finding classes reachable on a given {@linkplain Classpath classpath}.
*
* @author Doug Simon
*/
public class ClassSearch extends ClasspathTraversal {
private final HashSet<String> classes;
public ClassSearch() {
this(false);
}
/**
* Creates a class search object.
*
* @param omitDuplicates if true, then each argument passed to {@link #visitClass(String)} is guaranteed to be unique.
*/
public ClassSearch(boolean omitDuplicates) {
if (omitDuplicates) {
classes = new HashSet<String>();
} else {
classes = null;
}
}
/**
* Handles a class file encountered during the traversal.
*
* @param className
* the name of the class denoted by the class file
* @return true if the traversal should continue, false if it should terminate
*/
protected boolean visitClass(String className) {
return true;
}
/**
* Handles a class file encountered during the traversal. Unless this object was initialized to omit duplicates,
* this method may be called more than once for the same class as class files are not guaranteed to be unique in a
* classpath.
*
* @param isArchiveEntry true if the class is in a .zip or .jar file, false if it is a file in a directory
* @param className the name of the class denoted by the class file
* @return true if the traversal should continue, false if it should terminate
*/
protected boolean visitClass(boolean isArchiveEntry, String className) {
if (classes != null) {
if (classes.contains(className)) {
return true;
}
classes.add(className);
}
return visitClass(className);
}
protected boolean visit(boolean isArchiveEntry, String dottifiedResource) {
if (dottifiedResource.endsWith(".class")) {
final String className = Strings.chopSuffix(dottifiedResource, ".class");
return visitClass(isArchiveEntry, className);
}
return true;
}
@Override
protected boolean visitArchiveEntry(ZipFile archive, ZipEntry resource) {
return visit(true, resource.getName().replace('/', '.'));
}
@Override
protected boolean visitFile(File parent, String resource) {
return visit(false, resource.replace(File.separatorChar, '.'));
}
}