private void executePmd()

in src/main/java/org/apache/maven/plugins/pmd/PmdReport.java [340:388]
42 lines of code
9 McCabe index (conditional complexity)

    private void executePmd() throws MavenReportException {
        if (pmdResult != null) {
            // PMD has already been run
            getLog().debug("PMD has already been run - skipping redundant execution.");
            return;
        }

        try {
            filesToProcess = getFilesToProcess();

            if (filesToProcess.isEmpty() && !"java".equals(language)) {
                getLog().warn("No files found to process. Did you add your additional source folders like javascript?"
                        + " (see also build-helper-maven-plugin)");
            }
        } catch (IOException e) {
            throw new MavenReportException("Can't get file list", e);
        }

        PmdRequest request = new PmdRequest();
        request.setLanguageAndVersion(language, targetJdk);
        request.setRulesets(resolveRulesets());
        request.setAuxClasspath(typeResolution ? determineAuxClasspath() : null);
        request.setSourceEncoding(getInputEncoding());
        request.addFiles(filesToProcess.keySet());
        request.setMinimumPriority(minimumPriority);
        request.setSuppressMarker(suppressMarker);
        request.setBenchmarkOutputLocation(benchmark ? benchmarkOutputFilename : null);
        request.setAnalysisCacheLocation(analysisCache ? analysisCacheLocation : null);
        request.setExcludeFromFailureFile(excludeFromFailureFile);

        request.setTargetDirectory(targetDirectory.getAbsolutePath());
        request.setOutputEncoding(getOutputEncoding());
        request.setFormat(format);
        request.setShowPmdLog(showPmdLog);
        request.setSkipPmdError(skipPmdError);
        request.setIncludeXmlInSite(includeXmlInSite);
        request.setReportOutputDirectory(getReportOutputDirectory().getAbsolutePath());
        request.setLogLevel(determineCurrentRootLogLevel());

        Toolchain tc = getToolchain();
        if (tc != null) {
            getLog().info("Toolchain in maven-pmd-plugin: " + tc);
            String javaExecutable = tc.findTool("java"); // NOI18N
            request.setJavaExecutable(javaExecutable);
        }

        getLog().info("PMD version: " + AbstractPmdReport.getPmdVersion());
        pmdResult = PmdExecutor.execute(request);
    }