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| package net.sourceforge.pmd.cpd; |
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| import org.apache.tools.ant.BuildException; |
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| import org.apache.tools.ant.DirectoryScanner; |
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| import org.apache.tools.ant.Project; |
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| import org.apache.tools.ant.Task; |
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| import org.apache.tools.ant.types.EnumeratedAttribute; |
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| import org.apache.tools.ant.types.FileSet; |
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| import java.io.File; |
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| import java.io.IOException; |
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| import java.util.ArrayList; |
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| import java.util.Iterator; |
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| import java.util.List; |
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| import java.util.Properties; |
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| public class CPDTask extends Task { |
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| private static final String TEXT_FORMAT = "text"; |
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| private static final String XML_FORMAT = "xml"; |
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| private static final String CSV_FORMAT = "csv"; |
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| private String format = TEXT_FORMAT; |
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| private String language = LanguageFactory.JAVA_KEY; |
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| private int minimumTokenCount; |
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| private boolean ignoreLiterals; |
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| private boolean ignoreIdentifiers; |
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| private File outputFile; |
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| private List filesets = new ArrayList(); |
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| public void execute() throws BuildException {
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| try {
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| validateFields();
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| log("Tokenizing files", Project.MSG_INFO);
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| CPD cpd = new CPD(minimumTokenCount, createLanguage());
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| tokenizeFiles(cpd);
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| log("Starting to analyze code", Project.MSG_INFO);
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| long timeTaken = analyzeCode(cpd);
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| log("Done analyzing code; that took " + timeTaken + " milliseconds");
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| log("Generating report", Project.MSG_INFO);
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| report(cpd);
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| } catch (IOException ioe) { |
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| log(ioe.toString(), Project.MSG_ERR);
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| throw new BuildException("IOException during task execution", ioe);
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| } catch (ReportException re) { |
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| re.printStackTrace();
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| log(re.toString(), Project.MSG_ERR);
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| throw new BuildException("ReportException during task execution", re);
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| } |
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| } |
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| private Language createLanguage() {
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| Properties p = new Properties();
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| if (ignoreLiterals) {
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| p.setProperty(JavaTokenizer.IGNORE_LITERALS, "true");
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| } |
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| if (ignoreIdentifiers) {
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| p.setProperty(JavaTokenizer.IGNORE_IDENTIFIERS, "true");
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| } |
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| return new LanguageFactory().createLanguage(language, p);
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| } |
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| private void report(CPD cpd) throws ReportException {
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| if (!cpd.getMatches().hasNext()) {
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| log("No duplicates over " + minimumTokenCount + " tokens found", Project.MSG_INFO);
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| } |
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| Renderer renderer = createRenderer();
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| if (outputFile.isAbsolute()) {
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| new FileReporter(outputFile).report(renderer.render(cpd.getMatches()));
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| } else { |
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| new FileReporter(new File(getProject().getBaseDir(), outputFile.toString()));
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| } |
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| } |
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| private void tokenizeFiles(CPD cpd) throws IOException {
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| for (Iterator iterator = filesets.iterator(); iterator.hasNext();) {
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| FileSet fileSet = (FileSet) iterator.next();
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| DirectoryScanner directoryScanner = fileSet.getDirectoryScanner(getProject());
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| String[] includedFiles = directoryScanner.getIncludedFiles();
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| for (int i = 0; i < includedFiles.length; i++) {
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| File file = new File(directoryScanner.getBasedir() + System.getProperty("file.separator") + includedFiles[i]);
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| log("Tokenizing " + file.getAbsolutePath(), Project.MSG_VERBOSE);
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| cpd.add(file);
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| } |
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| } |
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| } |
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| private long analyzeCode(CPD cpd) {
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| long start = System.currentTimeMillis();
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| cpd.go();
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| long stop = System.currentTimeMillis();
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| return stop - start;
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| } |
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| private Renderer createRenderer() {
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| if (format.equals(TEXT_FORMAT)) {
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| return new SimpleRenderer();
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| } else if (format.equals(CSV_FORMAT)) {
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| return new CSVRenderer();
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| } |
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| return new XMLRenderer();
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| } |
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| private void validateFields() throws BuildException {
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| if (minimumTokenCount == 0) {
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| throw new BuildException("minimumTokenCount is required and must be greater than zero");
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| } else if (outputFile == null) {
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| throw new BuildException("outputFile is a required attribute");
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| } else if (filesets.isEmpty()) {
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| throw new BuildException("Must include at least one FileSet");
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| } |
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| } |
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| public void addFileset(FileSet set) {
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| filesets.add(set);
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| } |
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| public void setMinimumTokenCount(int minimumTokenCount) {
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| this.minimumTokenCount = minimumTokenCount;
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| } |
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| public void setIgnoreLiterals(boolean value) {
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| this.ignoreLiterals = value;
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| } |
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| public void setIgnoreIdentifiers(boolean value) {
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| this.ignoreIdentifiers = value;
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| } |
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| public void setOutputFile(File outputFile) {
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| this.outputFile = outputFile;
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| } |
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| public void setFormat(FormatAttribute formatAttribute) {
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| format = formatAttribute.getValue();
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| } |
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| public void setLanguage(LanguageAttribute languageAttribute) {
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| language = languageAttribute.getValue();
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| } |
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| public static class FormatAttribute extends EnumeratedAttribute { |
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| private static final String[] FORMATS = new String[]{XML_FORMAT, TEXT_FORMAT, CSV_FORMAT}; |
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| public String[] getValues() {
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| return FORMATS;
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| } |
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| } |
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| public static class LanguageAttribute extends EnumeratedAttribute { |
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| private String[] LANGUAGES = new String[]{LanguageFactory.JAVA_KEY, LanguageFactory.JSP_KEY, LanguageFactory.CPP_KEY, LanguageFactory.C_KEY, LanguageFactory.PHP_KEY, LanguageFactory.RUBY_KEY }; |
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| public String[] getValues() {
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| return LANGUAGES;
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| } |
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| } |
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| } |