Clover coverage report - PMD - 3.7
Coverage timestamp: Wed May 31 2006 09:25:59 EDT

file stats: | LOC: | 153 |  | Methods: | 7
| NCLOC: | 135 |  | Classes: | 2

Source file | Conditionals | Statements | Methods | TOTAL

Benchmark.java

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1 |  | package net.sourceforge.pmd.util;
2 |  |
3 |  | import net.sourceforge.pmd.PMD;
4 |  | import net.sourceforge.pmd.PMDException;
5 |  | import net.sourceforge.pmd.Rule;
6 |  | import net.sourceforge.pmd.RuleContext;
7 |  | import net.sourceforge.pmd.RuleSet;
8 |  | import net.sourceforge.pmd.RuleSetFactory;
9 |  | import net.sourceforge.pmd.RuleSetNotFoundException;
10 |  | import net.sourceforge.pmd.SimpleRuleSetNameMapper;
11 |  | import net.sourceforge.pmd.SourceFileSelector;
12 |  | import net.sourceforge.pmd.TargetJDK1_4;
13 |  | import net.sourceforge.pmd.TargetJDK1_5;
14 |  | import net.sourceforge.pmd.TargetJDKVersion;
15 |  | import net.sourceforge.pmd.ast.JavaParser;
16 |  | import net.sourceforge.pmd.cpd.FileFinder;
17 |  | import net.sourceforge.pmd.cpd.SourceFileOrDirectoryFilter;
18 |  |
19 |  | import java.io.File;
20 |  | import java.io.FileNotFoundException;
21 |  | import java.io.FileReader;
22 |  | import java.io.IOException;
23 |  | import java.util.Collection;
24 |  | import java.util.Iterator;
25 |  | import java.util.List;
26 |  | import java.util.Set;
27 |  | import java.util.TreeSet;
28 |  |
29 |  | public class Benchmark {
30 |  |
31 |  | private static class Result implements Comparable {
32 |  | public Rule rule;
33 |  | public long time;
34 |  |
35 | 0 | public int compareTo(Object o) {
36 | 0 | Result other = (Result) o;
37 | 0 | if (other.time < time) {
38 | 0 | return -1;
39 | 0 | } else if (other.time > time) {
40 | 0 | return 1;
41 |  | }
42 |  |
43 | 0 | return rule.getName().compareTo(((Result) o).rule.getName());
44 |  | }
45 |  |
46 | 0 | public Result(long elapsed, Rule rule) {
47 | 0 | this.rule = rule;
48 | 0 | this.time = elapsed;
49 |  | }
50 |  | }
51 |  |
52 | 0 | private static boolean findBooleanSwitch(String[] args, String name) {
53 | 0 | for (int i = 0; i < args.length; i++) {
54 | 0 | if (args[i].equals(name)) {
55 | 0 | return true;
56 |  | }
57 |  | }
58 | 0 | return false;
59 |  | }
60 |  |
61 | 0 | private static String findOptionalStringValue(String[] args, String name, String defaultValue) {
62 | 0 | for (int i = 0; i < args.length; i++) {
63 | 0 | if (args[i].equals(name)) {
64 | 0 | return args[i + 1];
65 |  | }
66 |  | }
67 | 0 | return defaultValue;
68 |  | }
69 |  |
70 | 0 | public static void main(String[] args) throws RuleSetNotFoundException, IOException, PMDException {
71 |  |
72 | 0 | String srcDir = findOptionalStringValue(args, "--source-directory", "/usr/local/java/src/java/lang/");
73 | 0 | List files = new FileFinder().findFilesFrom(srcDir, new SourceFileOrDirectoryFilter(new SourceFileSelector()), true);
74 |  |
75 | 0 | TargetJDKVersion jdk = new TargetJDK1_4();
76 | 0 | if (findOptionalStringValue(args, "--targetjdk", "1.4").equals("1.5")) {
77 | 0 | jdk = new TargetJDK1_5();
78 |  | }
79 | 0 | boolean debug = findBooleanSwitch(args, "--debug");
80 | 0 | boolean parseOnly = findBooleanSwitch(args, "--parse-only");
81 |  |
82 | 0 | if (debug) System.out.println("Using JDK " + jdk.getVersionString());
83 | 0 | if (parseOnly) {
84 | 0 | parseStress(jdk, files);
85 |  | } else {
86 | 0 | String ruleset = findOptionalStringValue(args, "--ruleset", "");
87 | 0 | if (debug) System.out.println("Checking directory " + srcDir);
88 | 0 | Set results = new TreeSet();
89 | 0 | RuleSetFactory factory = new RuleSetFactory();
90 | 0 | if (ruleset.length() > 0) {
91 | 0 | SimpleRuleSetNameMapper mapper = new SimpleRuleSetNameMapper(ruleset);
92 | 0 | stress(jdk, factory.createRuleSet(mapper.getRuleSets()), files, results, debug);
93 |  | } else {
94 | 0 | Iterator i = factory.getRegisteredRuleSets();
95 | 0 | while (i.hasNext()) {
96 | 0 | stress(jdk, (RuleSet) i.next(), files, results, debug);
97 |  | }
98 |  | }
99 | 0 | System.out.println("=========================================================");
100 | 0 | System.out.println("Rule\t\t\t\t\t\tTime in ms");
101 | 0 | System.out.println("=========================================================");
102 | 0 | for (Iterator j = results.iterator(); j.hasNext();) {
103 | 0 | Result result = (Result) j.next();
104 | 0 | StringBuffer out = new StringBuffer(result.rule.getName());
105 | 0 | while (out.length() < 48) {
106 | 0 | out.append(' ');
107 |  | }
108 | 0 | out.append(result.time);
109 | 0 | System.out.println(out.toString());
110 |  | }
111 |  | }
112 |  |
113 | 0 | System.out.println("=========================================================");
114 |  | }
115 |  |
116 | 0 | private static void parseStress(TargetJDKVersion jdk, List files) throws FileNotFoundException {
117 | 0 | long start = System.currentTimeMillis();
118 | 0 | for (Iterator k = files.iterator(); k.hasNext();) {
119 | 0 | File file = (File) k.next();
120 | 0 | JavaParser parser = jdk.createParser(new FileReader(file));
121 | 0 | parser.CompilationUnit();
122 |  | }
123 | 0 | long end = System.currentTimeMillis();
124 | 0 | long elapsed = end - start;
125 | 0 | System.out.println("That took " + elapsed + " ms");
126 |  | }
127 |  |
128 | 0 | private static void stress(TargetJDKVersion jdk, RuleSet ruleSet, List files, Set results, boolean debug) throws PMDException, IOException {
129 | 0 | Collection rules = ruleSet.getRules();
130 | 0 | for (Iterator j = rules.iterator(); j.hasNext();) {
131 | 0 | Rule rule = (Rule) j.next();
132 | 0 | if (debug) System.out.println("Starting " + rule.getName());
133 |  |
134 | 0 | RuleSet working = new RuleSet();
135 | 0 | working.addRule(rule);
136 |  |
137 | 0 | PMD p = new PMD(jdk);
138 | 0 | RuleContext ctx = new RuleContext();
139 | 0 | long start = System.currentTimeMillis();
140 | 0 | for (Iterator k = files.iterator(); k.hasNext();) {
141 | 0 | File file = (File) k.next();
142 | 0 | FileReader reader = new FileReader(file);
143 | 0 | ctx.setSourceCodeFilename(file.getName());
144 | 0 | p.processFile(reader, working, ctx);
145 | 0 | reader.close();
146 |  | }
147 | 0 | long end = System.currentTimeMillis();
148 | 0 | long elapsed = end - start;
149 | 0 | results.add(new Result(elapsed, rule));
150 | 0 | if (debug) System.out.println("Done timing " + rule.getName() + "; elapsed time was " + elapsed);
151 |  | }
152 |  | }
153 |  | }