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| package net.sourceforge.pmd.util; |
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| |
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| import net.sourceforge.pmd.PMD; |
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| import net.sourceforge.pmd.PMDException; |
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| import net.sourceforge.pmd.Rule; |
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| import net.sourceforge.pmd.RuleContext; |
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| import net.sourceforge.pmd.RuleSet; |
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| import net.sourceforge.pmd.RuleSetFactory; |
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| import net.sourceforge.pmd.RuleSetNotFoundException; |
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| import net.sourceforge.pmd.cpd.FileFinder; |
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| import net.sourceforge.pmd.cpd.JavaLanguage; |
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| |
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| import java.io.File; |
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| import java.io.FileReader; |
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| import java.io.IOException; |
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| import java.util.Iterator; |
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| import java.util.List; |
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| import java.util.Set; |
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| import java.util.TreeSet; |
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| |
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21 |
| public class Benchmark { |
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| |
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| private static class Result implements Comparable { |
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| public Rule rule; |
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| public long time; |
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| |
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0
| public int compareTo(Object o) {
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0
| Result other = (Result)o;
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0
| if (other.time < time) {
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| return -1;
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0
| } else if (other.time > time) {
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| return 1;
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| } |
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| return 0;
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| } |
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| |
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0
| public Result(long elapsed, Rule rule) {
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0
| this.rule = rule;
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0
| this.time = elapsed;
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| } |
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| } |
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| |
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| private static final String JAVA_SRC_DIR = "/usr/local/java/src/java/lang/"; |
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| private static final boolean DEBUG = false; |
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| |
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0
| public static void main(String[] args) throws RuleSetNotFoundException, IOException, PMDException {
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0
| Set results = new TreeSet();
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| |
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| FileFinder finder = new FileFinder();
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| List files = finder.findFilesFrom(JAVA_SRC_DIR, new JavaLanguage.JavaFileOrDirectoryFilter(), true);
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51 |
| |
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| RuleSetFactory factory = new RuleSetFactory();
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| Iterator i = factory.getRegisteredRuleSets();
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54 |
0
| while (i.hasNext()) {
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55 |
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| stress((RuleSet)i.next(), files, results);
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| } |
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| System.out.println("=========================================================");
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| System.out.println("Rule\t\t\t\t\t\tTime in ms");
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| System.out.println("=========================================================");
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| for (Iterator j = results.iterator(); j.hasNext();) {
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61 |
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| Result result = (Result)j.next();
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| |
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| StringBuffer out = new StringBuffer(result.rule.getName());
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64 |
0
| while (out.length() < 48) {
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| out.append(' ');
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| } |
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| out.append(result.time);
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| System.out.println(out.toString());
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| } |
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| System.out.println("=========================================================");
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| } |
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| |
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0
| private static void stress(RuleSet ruleSet, List files, Set results) throws PMDException, IOException {
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| Set rules = ruleSet.getRules();
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| for (Iterator j = rules.iterator(); j.hasNext();) {
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| Rule rule = (Rule)j.next();
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| if (DEBUG) System.out.println("Starting " + rule.getName());
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| |
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| RuleSet working = new RuleSet();
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| working.addRule(rule);
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| |
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| PMD p = new PMD();
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| RuleContext ctx = new RuleContext();
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| long start = System.currentTimeMillis();
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| for (Iterator k = files.iterator(); k.hasNext();) {
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| File file = (File)k.next();
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| FileReader reader = new FileReader(file);
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| ctx.setSourceCodeFilename(file.getName());
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| p.processFile(reader, working, ctx);
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| reader.close();
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| } |
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| long end = System.currentTimeMillis();
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| long elapsed = end - start;
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| results.add(new Result(elapsed, rule));
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| if (DEBUG) System.out.println("Done timing " + rule.getName() + "; elapsed time was " + elapsed);
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96 |
| } |
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97 |
| } |
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98 |
| } |
