public static CryptoRandom getCryptoRandom()

in src/main/java/org/apache/commons/crypto/random/CryptoRandomFactory.java [187:217]

30 lines of code
7 McCabe index (conditional complexity)


    public static CryptoRandom getCryptoRandom(final Properties props)
            throws GeneralSecurityException {
        final List<String> names = Utils.splitClassNames(getRandomClassString(props), ",");
        if (names.isEmpty()) {
            throw new IllegalArgumentException("No class name(s) provided");
        }
        final StringBuilder errorMessage = new StringBuilder();
        CryptoRandom random = null;
        Exception lastException = null;
        for (final String className : names) {
            try {
                final Class<?> klass = ReflectionUtils.getClassByName(className);
                random = (CryptoRandom) ReflectionUtils.newInstance(klass, props);
                break;
            } catch (final ClassCastException e) {
                lastException = e;
                errorMessage.append("Class: [" + className + "] is not a CryptoRandom.");
            } catch (final ClassNotFoundException e) {
                lastException = e;
                errorMessage.append("CryptoRandom: [" + className + "] not found.");
            } catch (final Exception e) {
                lastException = e;
                errorMessage.append("CryptoRandom: [" + className + "] failed with " + e.getMessage());
            }
        }

        if (random != null) {
            return random;
        }
        throw new GeneralSecurityException(errorMessage.toString(), lastException);
    }