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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.types.optional.depend;
import java.io.File;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.util.depend.DependencyAnalyzer;
/**
* DirectoryScanner for finding class dependencies.
*/
public class DependScanner extends DirectoryScanner {
/**
* The name of the analyzer to use by default.
*/
public static final String DEFAULT_ANALYZER_CLASS
= "org.apache.tools.ant.util.depend.bcel.FullAnalyzer";
/**
* The root classes to drive the search for dependent classes.
*/
private Vector<String> rootClasses;
/**
* The names of the classes to include in the fileset.
*/
private Vector<String> included;
private Vector<File> additionalBaseDirs = new Vector<File>();
/**
* The parent scanner which gives the basic set of files. Only files which
* are in this set and which can be reached from a root class will end
* up being included in the result set.
*/
private DirectoryScanner parentScanner;
/**
* Create a DependScanner, using the given scanner to provide the basic
* set of files from which class files come.
*
* @param parentScanner the DirectoryScanner which returns the files from
* which class files must come.
*/
public DependScanner(DirectoryScanner parentScanner) {
this.parentScanner = parentScanner;
}
/**
* Sets the root classes to be used to drive the scan.
*
* @param rootClasses the rootClasses to be used for this scan.
*/
public synchronized void setRootClasses(Vector<String> rootClasses) {
this.rootClasses = rootClasses;
}
/**
* Get the names of the class files on which baseClass depends.
*
* @return the names of the files.
*/
public String[] getIncludedFiles() {
String[] files = new String[getIncludedFilesCount()];
for (int i = 0; i < files.length; i++) {
files[i] = (String) included.elementAt(i);
}
return files;
}
/** {@inheritDoc}. */
public synchronized int getIncludedFilesCount() {
if (included == null) {
throw new IllegalStateException();
}
return included.size();
}
/**
* Scans the base directory for files on which baseClass depends.
*
* @exception IllegalStateException when basedir was set incorrectly.
*/
public synchronized void scan() throws IllegalStateException {
included = new Vector<String>();
String analyzerClassName = DEFAULT_ANALYZER_CLASS;
DependencyAnalyzer analyzer = null;
try {
Class<? extends DependencyAnalyzer> analyzerClass = Class.forName(analyzerClassName)
.asSubclass(DependencyAnalyzer.class);
analyzer = analyzerClass.newInstance();
} catch (Exception e) {
throw new BuildException("Unable to load dependency analyzer: "
+ analyzerClassName, e);
}
analyzer.addClassPath(new Path(null, basedir.getPath()));
for (Enumeration<File> e = additionalBaseDirs.elements(); e.hasMoreElements();) {
File additionalBaseDir = e.nextElement();
analyzer.addClassPath(new Path(null, additionalBaseDir.getPath()));
}
for (Enumeration<String> e = rootClasses.elements(); e.hasMoreElements();) {
String rootClass = e.nextElement();
analyzer.addRootClass(rootClass);
}
Enumeration<String> e = analyzer.getClassDependencies();
String[] parentFiles = parentScanner.getIncludedFiles();
Hashtable<String, String> parentSet = new Hashtable<String, String>();
for (int i = 0; i < parentFiles.length; ++i) {
parentSet.put(parentFiles[i], parentFiles[i]);
}
while (e.hasMoreElements()) {
String classname = (String) e.nextElement();
String filename = classname.replace('.', File.separatorChar);
filename = filename + ".class";
File depFile = new File(basedir, filename);
if (depFile.exists() && parentSet.containsKey(filename)) {
// This is included
included.addElement(filename);
}
}
}
/**
* @see DirectoryScanner#addDefaultExcludes
*/
public void addDefaultExcludes() {
}
/**
* @see DirectoryScanner#getExcludedDirectories
*/
/** {@inheritDoc}. */
public String[] getExcludedDirectories() {
return null;
}
/**
* @see DirectoryScanner#getExcludedFiles
*/
/** {@inheritDoc}. */
public String[] getExcludedFiles() {
return null;
}
/**
* @see DirectoryScanner#getIncludedDirectories
*/
/** {@inheritDoc}. */
public String[] getIncludedDirectories() {
return new String[0];
}
/**
* @see DirectoryScanner#getIncludedDirsCount
*/
/** {@inheritDoc}. */
public int getIncludedDirsCount() {
return 0;
}
/**
* @see DirectoryScanner#getNotIncludedDirectories
*/
/** {@inheritDoc}. */
public String[] getNotIncludedDirectories() {
return null;
}
/**
* @see DirectoryScanner#getNotIncludedFiles
*/
/** {@inheritDoc}. */
public String[] getNotIncludedFiles() {
return null;
}
/**
* @see DirectoryScanner#setExcludes
*/
/** {@inheritDoc}. */
public void setExcludes(String[] excludes) {
}
/**
* @see DirectoryScanner#setIncludes
*/
/** {@inheritDoc}. */
public void setIncludes(String[] includes) {
}
/**
* @see DirectoryScanner#setCaseSensitive
*/
/** {@inheritDoc}. */
public void setCaseSensitive(boolean isCaseSensitive) {
}
public void addBasedir(File baseDir) {
additionalBaseDirs.addElement(baseDir);
}
}
|
