public static Reader getContentAsReader()

in src/main/java/org/apache/bsf/util/StringUtils.java [137:166]

26 lines of code
8 McCabe index (conditional complexity)


    public static Reader getContentAsReader(final URL url) throws SecurityException, IllegalArgumentException, IOException {
        if (url == null) {
            throw new IllegalArgumentException("URL cannot be null.");
        }

        try {
            final Object content = url.getContent();

            if (content == null) {
                throw new IllegalArgumentException("No content.");
            }

            if (content instanceof InputStream) {
                final Reader in = new InputStreamReader((InputStream) content);

                if (in.ready()) {
                    return in;
                } else {
                    throw new FileNotFoundException();
                }
            } else {
                throw new IllegalArgumentException(
                        (content instanceof String) ? (String) content : "This URL points to a: " + StringUtils.getClassName(content.getClass()));
            }
        } catch (final SecurityException e) {
            throw new SecurityException("Your JVM's SecurityManager has disallowed this.");
        } catch (final FileNotFoundException e) {
            throw new FileNotFoundException("This file was not found: " + url);
        }
    }