public void execute()

in src/main/java/org/apache/sling/maven/jspc/JspcMojo.java [286:351]
57 lines of code
14 McCabe index (conditional complexity)

    public void execute() throws MojoExecutionException {

        try {
            uriSourceRoot = sourceDirectory.getCanonicalPath();
        } catch (Exception e) {
            uriSourceRoot = sourceDirectory.getAbsolutePath();
        }

        // ensure output directory
        File outputDirectoryFile = new File(outputDirectory);
        if (!outputDirectoryFile.isDirectory()) {
            if (outputDirectoryFile.exists()) {
                throw new MojoExecutionException(outputDirectory
                    + " exists but is not a directory");
            }

            if (!outputDirectoryFile.mkdirs()) {
                throw new MojoExecutionException(
                    "Cannot create output directory " + outputDirectory);
            }
        }

        // have the files compiled
        String previousJasperPackageName = null;
        String oldValue = System.getProperty(LogFactoryImpl.LOG_PROPERTY);
        try {
            // ensure the JSP Compiler does not try to use Log4J
            System.setProperty(LogFactoryImpl.LOG_PROPERTY, SimpleLog.class.getName());
            previousJasperPackageName =
                    System.setProperty(Constants.JSP_PACKAGE_NAME_PROPERTY_NAME, (servletPackage != null ? servletPackage : ""));
            executeInternal();
            if (dependencyTracker != null) {
                if (printCompilationReport) {
                    printCompilationReport(dependencyTracker);
                }
                if (generateCompilationReport) {
                    generateCompilationReport(dependencyTracker);
                }
            }
        } catch (JasperException je) {
            getLog().error("Compilation Failure", je);
            throw new MojoExecutionException(je.getMessage(), je);
        } finally {
            if (oldValue == null) {
                System.clearProperty(LogFactoryImpl.LOG_PROPERTY);
            } else {
                System.setProperty(LogFactoryImpl.LOG_PROPERTY, oldValue);
            }
            if (previousJasperPackageName == null) {
                System.clearProperty(Constants.JSP_PACKAGE_NAME_PROPERTY_NAME);
            } else {
                System.setProperty(Constants.JSP_PACKAGE_NAME_PROPERTY_NAME, previousJasperPackageName);
            }
            if (featureSupport != null) {
                try {
                    featureSupport.shutdown(10000);
                } catch (Exception e) {
                    getLog().error(e);
                }

                featureSupport = null;
            }
        }

        project.addCompileSourceRoot(outputDirectory);
    }