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32
33 package com.jeantessier.dependencyfinder.cli;
34
35 import java.io.*;
36 import java.util.*;
37
38 import org.apache.log4j.*;
39
40 import com.jeantessier.classreader.*;
41 import com.jeantessier.commandline.*;
42 import com.jeantessier.dependencyfinder.*;
43
44 public class ClassMetrics {
45 public static final String  DEFAULT_LOGFILE = "System.out";
46
47 public static void showError(CommandLineUsage clu, String msg) {
48 System.err.println(msg);
49 showError(clu);
50 }
51
52 public static void showError(CommandLineUsage clu) {
53 System.err.println(clu);
54 System.err.println();
55 System.err.println("If no files are specified, it processes the current directory.");
56 System.err.println();
57 System.err.println("If file is a directory, it is recusively scanned for files");
58 System.err.println("ending in \".class\".");
59 System.err.println();
60 System.err.println("Defaults is text output to the console.");
61 System.err.println();
62 }
63
64 public static void showVersion() throws IOException {
65 Version version = new Version();
66
67 System.err.print(version.getImplementationTitle());
68 System.err.print(" ");
69 System.err.print(version.getImplementationVersion());
70 System.err.print(" (c) ");
71 System.err.print(version.getCopyrightDate());
72 System.err.print(" ");
73 System.err.print(version.getCopyrightHolder());
74 System.err.println();
75
76 System.err.print(version.getImplementationURL());
77 System.err.println();
78
79 System.err.print("Compiled on ");
80 System.err.print(version.getImplementationDate());
81 System.err.println();
82 }
83
84 public static void main(String [] args) throws Exception {
85 CommandLine commandLine = new CommandLine();
87 commandLine.addToggleSwitch("list");
88 commandLine.addToggleSwitch("instruction-counts");
89 commandLine.addToggleSwitch("time");
90 commandLine.addSingleValueSwitch("out");
91 commandLine.addToggleSwitch("help");
92 commandLine.addOptionalValueSwitch("verbose", DEFAULT_LOGFILE);
93 commandLine.addToggleSwitch("version");
94
95 CommandLineUsage usage = new CommandLineUsage("ClassMetrics");
96 commandLine.accept(usage);
97
98 try {
99 commandLine.parse(args);
100 } catch (IllegalArgumentException ex) {
101 showError(usage, ex.toString());
102 System.exit(1);
103 } catch (CommandLineException ex) {
104 showError(usage, ex.toString());
105 System.exit(1);
106 }
107
108 if (commandLine.getToggleSwitch("help")) {
109 showError(usage);
110 }
111
112 if (commandLine.getToggleSwitch("version")) {
113 showVersion();
114 }
115
116 if (commandLine.getToggleSwitch("help") || commandLine.getToggleSwitch("version")) {
117 System.exit(1);
118 }
119
120 VerboseListener verboseListener = new VerboseListener();
121 if (commandLine.isPresent("verbose")) {
122 if ("System.out".equals(commandLine.getOptionalSwitch("verbose"))) {
123 verboseListener.setWriter(System.out);
124 } else {
125 verboseListener.setWriter(new FileWriter(commandLine.getOptionalSwitch("verbose")));
126 }
127 }
128
129
132
133 Date start = new Date();
134
135 boolean list = commandLine.getToggleSwitch("list");
136 boolean instructionCounts = commandLine.getToggleSwitch("instruction-counts");
137
138 List parameters = commandLine.getParameters();
139 if (parameters.size() == 0) {
140 parameters.add(".");
141 }
142
143 ClassfileLoader loader = new AggregatingClassfileLoader();
144 loader.addLoadListener(verboseListener);
145 loader.load(parameters);
146
147 MetricsGatherer metrics = new MetricsGatherer();
148 metrics.visitClassfiles(loader.getAllClassfiles());
149
150 verboseListener.print("Printing report ...");
151
152 PrintWriter out;
153 if (commandLine.isPresent("out")) {
154 out = new PrintWriter(new FileWriter(commandLine.getSingleSwitch("out")));
155 } else {
156 out = new PrintWriter(new OutputStreamWriter(System.out));
157 }
158
159 out.println(metrics.getClasses().size() + " class(es)");
160 if (list) {
161 Iterator j = metrics.getClasses().iterator();
162 while (j.hasNext()) {
163 out.println(" " + j.next());
164 }
165 }
166
167 out.println(metrics.getInterfaces().size() + " interface(s)");
168 if (list) {
169 Iterator j = metrics.getInterfaces().iterator();
170 while (j.hasNext()) {
171 out.println(" " + j.next());
172 }
173 }
174
175 out.println();
176 out.println(metrics.getMethods().size() + " method(s) (average " + (metrics.getMethods().size() / (metrics.getClasses().size() + (double) metrics.getInterfaces().size())) + " per class/interface)");
177 out.println(metrics.getFields().size() + " field(s) (average " + (metrics.getFields().size() / (metrics.getClasses().size() + (double) metrics.getInterfaces().size())) + " per class/interface)");
178 out.println();
179
180 printCFM(out, " synthetic element(s)", metrics.getSyntheticClasses(), metrics.getSyntheticFields(), metrics.getSyntheticMethods(), list);
181 printCFM(out, " deprecated element(s)", metrics.getDeprecatedClasses(), metrics.getDeprecatedFields(), metrics.getDeprecatedMethods(), list);
182 printCFMIC(out, " public element(s)", metrics.getPublicClasses(), metrics.getPublicFields(), metrics.getPublicMethods(), metrics.getPublicInnerClasses(), list);
183 printFMIC(out, " protected element(s)", metrics.getProtectedFields(), metrics.getProtectedMethods(), metrics.getProtectedInnerClasses(), list);
184 printFMIC(out, " private element(s)", metrics.getPrivateFields(), metrics.getPrivateMethods(), metrics.getPrivateInnerClasses(), list);
185 printCFMIC(out, " package element(s)", metrics.getPackageClasses(), metrics.getPackageFields(), metrics.getPackageMethods(), metrics.getPackageInnerClasses(), list);
186 printCMIC(out, " abstract element(s)", metrics.getAbstractClasses(), metrics.getAbstractMethods(), metrics.getAbstractInnerClasses(), list);
187
188 printFMIC(out, " static element(s)", metrics.getStaticFields(), metrics.getStaticMethods(), metrics.getStaticInnerClasses(), list);
189 printCFMIC(out, " final element(s)", metrics.getFinalClasses(), metrics.getFinalFields(), metrics.getFinalMethods(), metrics.getFinalInnerClasses(), list);
190
191 out.println(metrics.getSynchronizedMethods().size() + " synchronized method(s)");
192 if (list) {
193 Iterator j = metrics.getSynchronizedMethods().iterator();
194 while (j.hasNext()) {
195 out.println(" " + j.next());
196 }
197 }
198
199 out.println(metrics.getNativeMethods().size() + " native method(s)");
200 if (list) {
201 Iterator j = metrics.getNativeMethods().iterator();
202 while (j.hasNext()) {
203 out.println(" " + j.next());
204 }
205 }
206
207 out.println(metrics.getVolatileFields().size() + " volatile field(s)");
208 if (list) {
209 Iterator j = metrics.getVolatileFields().iterator();
210 while (j.hasNext()) {
211 out.println(" " + j.next());
212 }
213 }
214
215 out.println(metrics.getTransientFields().size() + " transient field(s)");
216 if (list) {
217 Iterator j = metrics.getTransientFields().iterator();
218 while (j.hasNext()) {
219 out.println(" " + j.next());
220 }
221 }
222
223 out.println(metrics.getCustomAttributes().size() + " custom attribute(s)");
224 if (list) {
225 Iterator j = metrics.getCustomAttributes().iterator();
226 while (j.hasNext()) {
227 out.println(" " + j.next());
228 }
229 }
230
231 if (instructionCounts) {
232 out.println();
233 out.println("Instruction counts:");
234 for (int opcode=0; opcode<256; opcode++) {
235 out.print(" 0x");
236 Hex.print(out, (byte) opcode);
237 out.println(" " + Instruction.getMnemonic(opcode) + ": " + metrics.getInstructionCounts()[opcode]);
238 }
239 }
240
241 out.close();
242
243 Date end = new Date();
244
245 if (commandLine.getToggleSwitch("time")) {
246 System.err.println(ClassMetrics.class.getName() + ": " + ((end.getTime() - (double) start.getTime()) / 1000) + " secs.");
247 }
248
249 verboseListener.close();
250 }
251
252 private static void printCMIC(PrintWriter out, String label, Collection classes, Collection methods, Collection innerClasses, boolean list) {
253 out.println((classes.size() +
254 methods.size() +
255 innerClasses.size()) + label);
256 if (list) {
257 Iterator j;
258
259 out.println(" " + classes.size() + " class(es)");
260 j = classes.iterator();
261 while (j.hasNext()) {
262 out.println(" " + j.next());
263 }
264
265 out.println(" " + methods.size() + " method(s)");
266 j = methods.iterator();
267 while (j.hasNext()) {
268 out.println(" " + j.next());
269 }
270
271 out.println(" " + innerClasses.size() + " inner class(es)");
272 j = innerClasses.iterator();
273 while (j.hasNext()) {
274 out.println(" " + j.next());
275 }
276 } else {
277 out.println(" " + classes.size() + " class(es)");
278 out.println(" " + methods.size() + " method(s)");
279 out.println(" " + innerClasses.size() + " inner class(es)");
280 }
281 }
282
283 private static void printCFMIC(PrintWriter out, String label, Collection classes, Collection fields, Collection methods, Collection innerClasses, boolean list) {
284 out.println((classes.size() +
285 fields.size() +
286 methods.size() +
287 innerClasses.size()) + label);
288 if (list) {
289 Iterator j;
290
291 out.println(" " + classes.size() + " class(es)");
292 j = classes.iterator();
293 while (j.hasNext()) {
294 out.println(" " + j.next());
295 }
296
297 out.println(" " + fields.size() + " field(s)");
298 j = fields.iterator();
299 while (j.hasNext()) {
300 out.println(" " + j.next());
301 }
302
303 out.println(" " + methods.size() + " method(s)");
304 j = methods.iterator();
305 while (j.hasNext()) {
306 out.println(" " + j.next());
307 }
308
309 out.println(" " + innerClasses.size() + " inner class(es)");
310 j = innerClasses.iterator();
311 while (j.hasNext()) {
312 out.println(" " + j.next());
313 }
314 } else {
315 out.println(" " + classes.size() + " class(es)");
316 out.println(" " + fields.size() + " fields(s)");
317 out.println(" " + methods.size() + " method(s)");
318 out.println(" " + innerClasses.size() + " inner class(es)");
319 }
320 }
321
322 private static void printCFM(PrintWriter out, String label, Collection classes, Collection fields, Collection methods, boolean list) {
323 out.println((classes.size() +
324 fields.size() +
325 methods.size()) + label);
326 if (list) {
327 Iterator j;
328
329 out.println(" " + classes.size() + " class(es)");
330 j = classes.iterator();
331 while (j.hasNext()) {
332 out.println(" " + j.next());
333 }
334
335 out.println(" " + fields.size() + " field(s)");
336 j = fields.iterator();
337 while (j.hasNext()) {
338 out.println(" " + j.next());
339 }
340
341 out.println(" " + methods.size() + " method(s)");
342 j = methods.iterator();
343 while (j.hasNext()) {
344 out.println(" " + j.next());
345 }
346 } else {
347 out.println(" " + classes.size() + " class(es)");
348 out.println(" " + fields.size() + " fields(s)");
349 out.println(" " + methods.size() + " method(s)");
350 }
351 }
352
353 private static void printFMIC(PrintWriter out, String label, Collection fields, Collection methods, Collection innerClasses, boolean list) {
354 out.println((fields.size() +
355 methods.size() +
356 innerClasses.size()) + label);
357 if (list) {
358 Iterator j;
359
360 out.println(" " + fields.size() + " field(s)");
361 j = fields.iterator();
362 while (j.hasNext()) {
363 out.println(" " + j.next());
364 }
365
366 out.println(" " + methods.size() + " method(s)");
367 j = methods.iterator();
368 while (j.hasNext()) {
369 out.println(" " + j.next());
370 }
371
372 out.println(" " + innerClasses.size() + " inner class(es)");
373 j = innerClasses.iterator();
374 while (j.hasNext()) {
375 out.println(" " + j.next());
376 }
377 } else {
378 out.println(" " + fields.size() + " fields(s)");
379 out.println(" " + methods.size() + " method(s)");
380 out.println(" " + innerClasses.size() + " inner class(es)");
381 }
382 }
383 }
384 |
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