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/**
 * Creates class that implements IDataSerializer interface
 * It cam support common serialization like JSon or custom data format
 */
public class CustomSerializationAttribute implements IDataSerializer{
 
 
    public <T> T deserialize(String source, Class<T> type)
    {
        return new Gson().fromJson(source, type);
    }
    public String serialize(Object data)
    {
        return new Gson().toJson(data);
    }
 
}

public class CustomXOREncryption implements IDataEncryption
{
    /**
     * <p>
     * Gets or sets non empty key for encryption (at least one character)
     * </p>
     */
    public final int getKey(){ return auto_Key; }
    /**
     * <p>
     * Gets or sets non empty key for encryption (at least one character)
     * </p>
     */
    public final void setKey(int value){ auto_Key = value; }
    private int auto_Key;
 
    /**
     * <p>
     * Encode method to encrypt string.
     * </p>
     * @return Returns enccrypted string
     * @param source Source string to encode.
     */
    public final String encode(String source)
    {
        return process(source);
    }
 
    /**
     * <p>
     * Decode method to obtain decrypted string.
     * </p>
     * @return Returns decrypted string
     * @param source Source string to decode.
     */
    public final String decode(String source)
    {
        return process(source);
    }
 
    /**
     * <p>
     * Using XOR operation get encoded / decoded string
     * </p>
     * @return
     * @param source
     */
    private String process(String source)
    {
        StringBuilder src = new StringBuilder(source);
        StringBuilder dst = new StringBuilder(src.length());
        char chTmp;
        for (int index = 0; index < src.length(); ++index)
        {
            chTmp = src.charAt(index);
            chTmp = (char)(chTmp ^ this.getKey());
            dst.append(chTmp);
        }
        return dst.toString();
    }
}

public static class DocumentSignatureData
{
    public String getID(){ return ID; }
    public void setID(String value){ ID = value; }
    @FormatAttribute(propertyName = "SignID")
    public String ID;
 
 
    public final String getAuthor(){ return Author; }
    public final void setAuthor(String value){ Author = value; }
    @FormatAttribute(propertyName = "SAuth")
    public String Author;
    //JAVA-added public wrapper for internalized property accessor
 
    public final java.util.Date getSigned() {  return Signed; }
    public final void setSigned(java.util.Date value) { Signed = value; }
    @FormatAttribute (propertyName = "SDate",propertyFormat = "yyyy-MM-dd")
    public java.util.Date Signed = new java.util.Date();
 
 
    public final java.math.BigDecimal getDataFactor() { return DataFactor; }
    public final void setDataFactor(java.math.BigDecimal value) { DataFactor = value; }
    @FormatAttribute (propertyName = "SDFact",propertyFormat = "N2")
    public java.math.BigDecimal DataFactor = new java.math.BigDecimal(0.01);
}