public void run()

in buildSrc/src/main/java/org/grails/forge/rocker/plugin/JavaGeneratorRunnable.java [86:157]
54 lines of code
13 McCabe index (conditional complexity)

    public void run() throws RuntimeException{
        if (this.configuration.getTemplateDirectory() == null) {
            throw new RuntimeException("Template directory was null");
        }

        if (!this.configuration.getTemplateDirectory().exists() || !this.configuration.getTemplateDirectory().isDirectory()) {
            throw new RuntimeException("Template directory does not exist: " + this.configuration.getTemplateDirectory());
        }

        // loop thru template directory and match templates
        Collection<File> allFiles = RockerUtil.listFileTree(this.configuration.getTemplateDirectory());
        for (File f : allFiles) {
            if (f.getName().matches(suffixRegex)) {
                templateFiles.add(f);
            }
        }

        log.info("Parsing " + templateFiles.size() + " rocker template files");

        int errors = 0;
        int generated = 0;

        for (File f : templateFiles) {
            TemplateModel model = null;

            try {
                // parse model
                model = parser.parse(f);
            } catch (IOException | ParserException e) {
                if (e instanceof ParserException) {
                    ParserException pe = (ParserException) e;
                    log.error("Parsing failed for " + f + ":[" + pe.getLineNumber() + "," + pe.getColumnNumber() + "] " + pe.getMessage());
                } else {
                    log.error("Unable to parse template", e);
                }
                errors++;
            }

            try {
                File outputFile = generator.generate(model);
                generated++;

                log.debug("Generated java source: " + outputFile);
            } catch (GeneratorException | IOException e) {
                throw new RuntimeException("Generating java source failed for " + f + ": " + e.getMessage(), e);
            }

        }

        log.info("Generated " + generated + " rocker java source files");

        if (errors > 0 && failOnError) {
            throw new RuntimeException("Caught " + errors + " errors.");
        }

        if (!configuration.getOptions().getOptimize()) {
            // save configuration
            this.configuration.getClassDirectory().mkdirs();

            // use resource name, but strip leading slash
            // place it into the classes directory (not the compile directory)
            try{
                File configFile = new File(this.configuration.getClassDirectory(), RockerRuntime.CONF_RESOURCE_NAME.substring(1));
                this.configuration.write(configFile);
                log.info("Generated rocker configuration " + configFile);
            }catch(IOException iox){
                throw new RuntimeException(iox);
            }
        } else {
            log.info("Optimize flag on. Did not generate rocker configuration file");
        }
    }