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This project defines the Java interfaces and classes for a digital notary.

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/************************************************************************
 * Copyright (c) Crater Dog Technologies(TM).  All Rights Reserved.     *
 ************************************************************************
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.        *
 *                                                                      *
 * This code is free software; you can redistribute it and/or modify it *
 * under the terms of The MIT License (MIT), as published by the Open   *
 * Source Initiative. (See http://opensource.org/licenses/MIT)          *
 ************************************************************************/
package bali.notary.handlers;

import bali.language.handlers.JavaTypeHandler;
import bali.language.nodes.ComponentNode;
import bali.language.nodes.TextNode;
import craterdog.security.MessageCryptex;
import craterdog.security.RsaAesMessageCryptex;
import java.security.PublicKey;

/**
 * This class handles the marshaling of a public key into a PEM string.
 *
 * @author Derk Norton
 */
public final class PublicKeyHandler implements JavaTypeHandler {

    static private final MessageCryptex cryptex = new RsaAesMessageCryptex();

    @Override
    public  ComponentNode fromObject(T publicKey, Class... parameterTypes) {
        String pemValue = cryptex.encodePublicKey(publicKey);
        TextNode textNode = new TextNode("\"\n" + pemValue + "\n\"");
        ComponentNode componentNode = new ComponentNode(textNode);
        return componentNode;
    }


    @Override
    public PublicKey toObject(ComponentNode componentNode, Class targetType, Class... parameterTypes) {
        TextNode textNode = (TextNode) componentNode.literal;
        String pemValue = textNode.toRawString();
        PublicKey publicKey = cryptex.decodePublicKey(pemValue);
        return publicKey;
    }

}