Example usage for org.springframework.security.crypto.codec Hex decode

Introduction

In this page you can find the example usage for org.springframework.security.crypto.codec Hex decode.

Prototype

public static byte[] decode(CharSequence s) 

Source Link

Usage

From source file:org.springframework.cloud.config.server.encryption.EncryptionController.java

private String stripFormData(String data, MediaType type, boolean cipher) {

    if (data.endsWith("=") && !type.equals(MediaType.TEXT_PLAIN)) {
        try {/*from w  w  w.  j av  a2  s. c o  m*/
            data = URLDecoder.decode(data, "UTF-8");
            if (cipher) {
                data = data.replace(" ", "+");
            }
        } catch (UnsupportedEncodingException e) {
            // Really?
        }
        String candidate = data.substring(0, data.length() - 1);
        if (cipher) {
            if (data.endsWith("=")) {
                if (data.length() / 2 != (data.length() + 1) / 2) {
                    try {
                        Hex.decode(candidate);
                        return candidate;
                    } catch (IllegalArgumentException e) {
                        if (Base64.isBase64(data.getBytes())) {
                            return data;
                        }
                    }
                }
            }
            return data;
        }
        // User posted data with content type form but meant it to be text/plain
        data = candidate;
    }

    return data;

}

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