Java 类org.jivesoftware.smack.util.StringTransformer 实例源码

@Override
public List<Exception> initialize() {
    if (SystemUtil.onAndroid()) {
        // @formatter:off
        throw new RuntimeException(
                        "You need to remove the smack-java7 dependency/jar from your build, " +
                        "as it does not run on Android. " +
                        "Use smack-android instead.");
        // @formatter:on
    }
    SmackConfiguration.setDefaultHostnameVerifier(new Java7HostnameVerifier());
    Base64.setEncoder(Java7Base64Encoder.getInstance());
    Base64UrlSafeEncoder.setEncoder(Java7Base64UrlSafeEncoder.getInstance());
    DNSUtil.setIdnaTransformer(new StringTransformer() {
        @Override
        public String transform(String string) {
            return java.net.IDN.toASCII(string);
        }
    });
    return null;
}

/**
 * SASLprep the given String.
 * 
 * @param string the String to sasl prep.
 * @return the given String SASL preped
 * @see <a href="http://tools.ietf.org/html/rfc4013">RFC 4013 - SASLprep: Stringprep Profile for User Names and Passwords</a>
 */
protected static String saslPrep(String string) {
    StringTransformer stringTransformer = saslPrepTransformer;
    if (stringTransformer != null) {
        return stringTransformer.transform(string);
    }
    return string;
}

/**
 * Set the SASLPrep StringTransformer.
 * <p>
 * A simple SASLPrep StringTransformer would be for example: <code>java.text.Normalizer.normalize(string, Form.NFKC);</code>
 * </p>
 * 
 * @param stringTransformer set StringTransformer to use for SASLPrep.
 * @see <a href="http://tools.ietf.org/html/rfc4013">RFC 4013 - SASLprep: Stringprep Profile for User Names and Passwords</a>
 */
public static void setSaslPrepTransformer(StringTransformer stringTransformer) {
    saslPrepTransformer = stringTransformer;
}