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1
32
33 package com.jeantessier.dependencyfinder.ant;
34
35 import java.io.*;
36 import java.util.*;
37
38 import org.apache.tools.ant.*;
39 import org.apache.tools.ant.types.*;
40
41 import com.jeantessier.classreader.*;
42 import com.jeantessier.dependency.*;
43
44 public class DependencyExtractor extends Task {
45 private boolean xml = false;
46 private boolean minimize = false;
47 private boolean maximize = false;
48 private String  encoding = com.jeantessier.dependency.XMLPrinter.DEFAULT_ENCODING;
49 private String dtdPrefix = com.jeantessier.dependency.XMLPrinter.DEFAULT_DTD_PREFIX;
50 private String indentText;
51 private File destfile;
52 private Path path;
53
54 public boolean getXml() {
55 return xml;
56 }
57
58 public void setXml(boolean xml) {
59 this.xml = xml;
60 }
61
62 public boolean getMinimize() {
63 return minimize;
64 }
65
66 public void setMinimize(boolean minimize) {
67 this.minimize = minimize;
68 }
69
70 public boolean getMaximize() {
71 return maximize;
72 }
73
74 public void setMaximize(boolean maximize) {
75 this.maximize = maximize;
76 }
77
78 public String getEncoding() {
79 return encoding;
80 }
81
82 public void setEncoding(String encoding) {
83 this.encoding = encoding;
84 }
85
86 public String getDtdprefix() {
87 return dtdPrefix;
88 }
89
90 public void setDtdprefix(String dtdPrefix) {
91 this.dtdPrefix = dtdPrefix;
92 }
93
94 public String getIndenttext() {
95 return indentText;
96 }
97
98 public void setIntenttext(String indentText) {
99 this.indentText = indentText;
100 }
101
102 public File getDestfile() {
103 return destfile;
104 }
105
106 public void setDestfile(File destfile) {
107 this.destfile = destfile;
108 }
109
110 public Path createPath() {
111 if (path == null) {
112 path = new Path(getProject());
113 }
114
115 return path;
116 }
117
118 public Path getPath() {
119 return path;
120 }
121
122 public void execute() throws BuildException {
123
125 if (getPath() == null) {
126 throw new BuildException("path must be set!");
127 }
128
129 if (getDestfile() == null) {
130 throw new BuildException("destfile must be set!");
131 }
132
133 log("Reading classes from path " + getPath());
134
135 VerboseListener verboseListener = new VerboseListener(this);
136
137 NodeFactory factory = new NodeFactory();
138 CodeDependencyCollector collector = new CodeDependencyCollector(factory);
139
140 ClassfileLoader loader = new TransientClassfileLoader();
141 loader.addLoadListener(new LoadListenerVisitorAdapter(collector));
142 loader.addLoadListener(verboseListener);
143 loader.load(Arrays.asList(getPath().list()));
144
145 if (getMinimize()) {
146 LinkMinimizer minimizer = new LinkMinimizer();
147 minimizer.traverseNodes(factory.getPackages().values());
148 } else if (getMaximize()) {
149 LinkMaximizer maximizer = new LinkMaximizer();
150 maximizer.traverseNodes(factory.getPackages().values());
151 }
152
153 log("Saving dependency graph to " + getDestfile().getAbsolutePath());
154
155 try {
156 PrintWriter out = new PrintWriter(new FileWriter(getDestfile()));
157
158 com.jeantessier.dependency.Printer printer;
159 if (getXml()) {
160 printer = new com.jeantessier.dependency.XMLPrinter(out, getEncoding(), getDtdprefix());
161 } else {
162 printer = new com.jeantessier.dependency.TextPrinter(out);
163 }
164
165 if (getIndenttext() != null) {
166 printer.setIndentText(getIndenttext());
167 }
168
169 printer.traverseNodes(factory.getPackages().values());
170
171 out.close();
172 } catch (IOException ex) {
173 throw new BuildException(ex);
174 }
175 }
176 }
177 |
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