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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.dependencyfinder.*;
43
44 public class ClassMetrics extends Task {
45 private boolean list = false;
46 private boolean instructionCounts = false;
47 private File destfile;
48 private Path path;
49
50 public boolean getList() {
51 return list;
52 }
53
54 public void setList(boolean list) {
55 this.list = list;
56 }
57
58 public boolean getInstructioncounts() {
59 return instructionCounts;
60 }
61
62 public void setInstructioncounts(boolean instructionCounts) {
63 this.instructionCounts = instructionCounts;
64 }
65
66 public File getDestfile() {
67 return destfile;
68 }
69
70 public void setDestfile(File destfile) {
71 this.destfile = destfile;
72 }
73
74 public Path createPath() {
75 if (path == null) {
76 path = new Path(getProject());
77 }
78
79 return path;
80 }
81
82 public Path getPath() {
83 return path;
84 }
85
86 public void execute() throws BuildException {
87
89 if (getPath() == null) {
90 throw new BuildException("path must be set!");
91 }
92
93 if (getDestfile() == null) {
94 throw new BuildException("destfile must be set!");
95 }
96
97 log("Reading classes from path " + getPath());
98
99 VerboseListener verboseListener = new VerboseListener(this);
100
101 ClassfileLoader loader = new AggregatingClassfileLoader();
102 loader.addLoadListener(verboseListener);
103 loader.load(Arrays.asList(getPath().list()));
104
105 MetricsGatherer metrics = new MetricsGatherer();
106 metrics.visitClassfiles(loader.getAllClassfiles());
107
108 log("Saving class metrics to " + getDestfile().getAbsolutePath());
109
110 try {
111 PrintWriter out = new PrintWriter(new FileWriter(getDestfile()));
112
113 out.println(metrics.getClasses().size() + " class(es)");
114 if (getList()) {
115 Iterator j = metrics.getClasses().iterator();
116 while (j.hasNext()) {
117 out.println(" " + j.next());
118 }
119 }
120
121 out.println(metrics.getInterfaces().size() + " interface(s)");
122 if (getList()) {
123 Iterator j = metrics.getInterfaces().iterator();
124 while (j.hasNext()) {
125 out.println(" " + j.next());
126 }
127 }
128
129 out.println();
130 out.println(metrics.getMethods().size() + " method(s) (average " + (metrics.getMethods().size() / (metrics.getClasses().size() + (double) metrics.getInterfaces().size())) + " per class/interface)");
131 out.println(metrics.getFields().size() + " field(s) (average " + (metrics.getFields().size() / (metrics.getClasses().size() + (double) metrics.getInterfaces().size())) + " per class/interface)");
132 out.println();
133
134 printCFM(out, " synthetic element(s)", metrics.getSyntheticClasses(), metrics.getSyntheticFields(), metrics.getSyntheticMethods());
135 printCFM(out, " deprecated element(s)", metrics.getDeprecatedClasses(), metrics.getDeprecatedFields(), metrics.getDeprecatedMethods());
136 printCFMIC(out, " public element(s)", metrics.getPublicClasses(), metrics.getPublicFields(), metrics.getPublicMethods(), metrics.getPublicInnerClasses());
137 printFMIC(out, " protected element(s)", metrics.getProtectedFields(), metrics.getProtectedMethods(), metrics.getProtectedInnerClasses());
138 printFMIC(out, " private element(s)", metrics.getPrivateFields(), metrics.getPrivateMethods(), metrics.getPrivateInnerClasses());
139 printCFMIC(out, " package element(s)", metrics.getPackageClasses(), metrics.getPackageFields(), metrics.getPackageMethods(), metrics.getPackageInnerClasses());
140 printCMIC(out, " abstract element(s)", metrics.getAbstractClasses(), metrics.getAbstractMethods(), metrics.getAbstractInnerClasses());
141
142 printFMIC(out, " static element(s)", metrics.getStaticFields(), metrics.getStaticMethods(), metrics.getStaticInnerClasses());
143 printCFMIC(out, " final element(s)", metrics.getFinalClasses(), metrics.getFinalFields(), metrics.getFinalMethods(), metrics.getFinalInnerClasses());
144
145 out.println(metrics.getSynchronizedMethods().size() + " synchronized method(s)");
146 if (getList()) {
147 Iterator j = metrics.getSynchronizedMethods().iterator();
148 while (j.hasNext()) {
149 out.println(" " + j.next());
150 }
151 }
152
153 out.println(metrics.getNativeMethods().size() + " native method(s)");
154 if (getList()) {
155 Iterator j = metrics.getNativeMethods().iterator();
156 while (j.hasNext()) {
157 out.println(" " + j.next());
158 }
159 }
160
161 out.println(metrics.getVolatileFields().size() + " volatile field(s)");
162 if (getList()) {
163 Iterator j = metrics.getVolatileFields().iterator();
164 while (j.hasNext()) {
165 out.println(" " + j.next());
166 }
167 }
168
169 out.println(metrics.getTransientFields().size() + " transient field(s)");
170 if (getList()) {
171 Iterator j = metrics.getTransientFields().iterator();
172 while (j.hasNext()) {
173 out.println(" " + j.next());
174 }
175 }
176
177 out.println(metrics.getCustomAttributes().size() + " custom attribute(s)");
178 if (getList()) {
179 Iterator j = metrics.getCustomAttributes().iterator();
180 while (j.hasNext()) {
181 out.println(" " + j.next());
182 }
183 }
184
185 if (getInstructioncounts()) {
186 out.println();
187 out.println("Instruction counts:");
188 for (int opcode=0; opcode<256; opcode++) {
189 out.print(" 0x");
190 Hex.print(out, (byte) opcode);
191 out.println(" " + Instruction.getMnemonic(opcode) + ": " + metrics.getInstructionCounts()[opcode]);
192 }
193 }
194
195 out.close();
196 } catch (IOException ex) {
197 throw new BuildException(ex);
198 }
199 }
200
201 private void printCMIC(PrintWriter out, String  label, Collection classes, Collection methods, Collection innerClasses) {
202 out.println((classes.size() +
203 methods.size() +
204 innerClasses.size()) + label);
205 if (getList()) {
206 Iterator j;
207
208 out.println(" " + classes.size() + " class(es)");
209 j = classes.iterator();
210 while (j.hasNext()) {
211 out.println(" " + j.next());
212 }
213
214 out.println(" " + methods.size() + " method(s)");
215 j = methods.iterator();
216 while (j.hasNext()) {
217 out.println(" " + j.next());
218 }
219
220 out.println(" " + innerClasses.size() + " inner class(es)");
221 j = innerClasses.iterator();
222 while (j.hasNext()) {
223 out.println(" " + j.next());
224 }
225 } else {
226 out.println(" " + classes.size() + " class(es)");
227 out.println(" " + methods.size() + " method(s)");
228 out.println(" " + innerClasses.size() + " inner class(es)");
229 }
230 }
231
232 private void printCFMIC(PrintWriter out, String label, Collection classes, Collection fields, Collection methods, Collection innerClasses) {
233 out.println((classes.size() +
234 fields.size() +
235 methods.size() +
236 innerClasses.size()) + label);
237 if (getList()) {
238 Iterator j;
239
240 out.println(" " + classes.size() + " class(es)");
241 j = classes.iterator();
242 while (j.hasNext()) {
243 out.println(" " + j.next());
244 }
245
246 out.println(" " + fields.size() + " field(s)");
247 j = fields.iterator();
248 while (j.hasNext()) {
249 out.println(" " + j.next());
250 }
251
252 out.println(" " + methods.size() + " method(s)");
253 j = methods.iterator();
254 while (j.hasNext()) {
255 out.println(" " + j.next());
256 }
257
258 out.println(" " + innerClasses.size() + " inner class(es)");
259 j = innerClasses.iterator();
260 while (j.hasNext()) {
261 out.println(" " + j.next());
262 }
263 } else {
264 out.println(" " + classes.size() + " class(es)");
265 out.println(" " + fields.size() + " fields(s)");
266 out.println(" " + methods.size() + " method(s)");
267 out.println(" " + innerClasses.size() + " inner class(es)");
268 }
269 }
270
271 private void printCFM(PrintWriter out, String label, Collection classes, Collection fields, Collection methods) {
272 out.println((classes.size() +
273 fields.size() +
274 methods.size()) + label);
275 if (getList()) {
276 Iterator j;
277
278 out.println(" " + classes.size() + " class(es)");
279 j = classes.iterator();
280 while (j.hasNext()) {
281 out.println(" " + j.next());
282 }
283
284 out.println(" " + fields.size() + " field(s)");
285 j = fields.iterator();
286 while (j.hasNext()) {
287 out.println(" " + j.next());
288 }
289
290 out.println(" " + methods.size() + " method(s)");
291 j = methods.iterator();
292 while (j.hasNext()) {
293 out.println(" " + j.next());
294 }
295 } else {
296 out.println(" " + classes.size() + " class(es)");
297 out.println(" " + fields.size() + " fields(s)");
298 out.println(" " + methods.size() + " method(s)");
299 }
300 }
301
302 private void printFMIC(PrintWriter out, String label, Collection fields, Collection methods, Collection innerClasses) {
303 out.println((fields.size() +
304 methods.size() +
305 innerClasses.size()) + label);
306 if (getList()) {
307 Iterator j;
308
309 out.println(" " + fields.size() + " field(s)");
310 j = fields.iterator();
311 while (j.hasNext()) {
312 out.println(" " + j.next());
313 }
314
315 out.println(" " + methods.size() + " method(s)");
316 j = methods.iterator();
317 while (j.hasNext()) {
318 out.println(" " + j.next());
319 }
320
321 out.println(" " + innerClasses.size() + " inner class(es)");
322 j = innerClasses.iterator();
323 while (j.hasNext()) {
324 out.println(" " + j.next());
325 }
326 } else {
327 out.println(" " + fields.size() + " fields(s)");
328 out.println(" " + methods.size() + " method(s)");
329 out.println(" " + innerClasses.size() + " inner class(es)");
330 }
331 }
332 }
333 |
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