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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
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package org.apache.james.blob.aes;

import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import com.google.crypto.tink.subtle.Hex;

public class CryptoConfigBuilder {
    private String salt;
    private char[] password;

    CryptoConfigBuilder() {
    }

    public CryptoConfigBuilder salt(String salt) {
        this.salt = salt;
        return this;
    }

    public CryptoConfigBuilder password(char[] password) {
        this.password = password;
        return this;
    }

    public CryptoConfig build() {
        Preconditions.checkState(!Strings.isNullOrEmpty(salt), "'salt' is mandatory and must not be empty");
        Preconditions.checkState(password != null && password.length > 0, "'password' is mandatory and must not be empty");

        return new CryptoConfig(Hex.encode(Hex.decode(salt)), password);
    }
}