public static void render()

in log4j-tools-internal-freemarker-util/src/main/java/org/apache/logging/log4j/tools/internal/freemarker/util/FreeMarkerUtils.java [70:96]

23 lines of code
3 McCabe index (conditional complexity)


    public static void render(
            final Path templateDirectory, final String templateName, final Object templateData, final Path outputFile) {
        try {

            // Render the template
            final Configuration configuration = createConfiguration(templateDirectory);
            final Template template = configuration.getTemplate(templateName);
            final StringWriter templateOutputWriter = new StringWriter();
            template.process(templateData, templateOutputWriter);
            final String templateOutput = templateOutputWriter.toString();

            // Write the template output to the target file
            final Path outputFileParent = outputFile.getParent();
            if (outputFileParent != null) {
                Files.createDirectories(outputFileParent);
            }
            try (final BufferedWriter outputFileWriter = Files.newBufferedWriter(
                    outputFile, CHARSET, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {
                outputFileWriter.write(templateOutput);
            }
        } catch (final Exception error) {
            final String message = String.format(
                    "failed rendering template `%s` in directory `%s` to file `%s`",
                    templateName, templateDirectory, outputFile);
            throw new RuntimeException(message, error);
        }
    }