private String readJavaScriptFile()

in src/main/java/org/apache/commons/validator/ValidatorAction.java [585:609]

• 22 lines of code
• 6 McCabe index (conditional complexity)

    private String readJavaScriptFile(final String javaScriptFileName) {
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        if (classLoader == null) {
            classLoader = getClass().getClassLoader();
        }
        // BufferedReader closes InputStreamReader closes InputStream
        final InputStream is = openInputStream(javaScriptFileName, classLoader);
        if (is == null) {
            getLog().debug("  Unable to read javascript name " + javaScriptFileName);
            return null;
        }
        final StringBuilder buffer = new StringBuilder();
        // TODO encoding
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))) {
            String line = null;
            while ((line = reader.readLine()) != null) {
                buffer.append(line).append("\n");
            }
        } catch (final IOException e) {
            getLog().error("Error reading JavaScript file.", e);

        }
        final String function = buffer.toString();
        return function.isEmpty() ? null : function;
    }