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/*
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2007-2008 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
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 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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package com.sun.grizzly.smart.transformers;

import java.lang.reflect.Field;
import java.util.List;
import com.sun.grizzly.AbstractTransformer;
import com.sun.grizzly.Buffer;
import com.sun.grizzly.attributes.Attribute;
import com.sun.grizzly.smart.SmartEncoderTransformer;
import com.sun.grizzly.smart.SmartTransformer;
import com.sun.grizzly.attributes.AttributeStorage;

/**
 * Base smart encoder
 * 
 * @author Alexey Stashok
 */
public abstract class AbstractSmartMemberEncoder
        extends AbstractTransformer
        implements SmartMemberTransformer {

    protected Attribute messageProcessingTreeAttribute;

    public AbstractSmartMemberEncoder() {
        messageProcessingTreeAttribute = attributeBuilder.createAttribute(
                SmartEncoderTransformer.MESSAGE_PROCESSING_TREE_ATTR_NAME);
    }

    public void initialize(SmartTransformer parentTransformer,
            Field field) {
    }

    public List getMessageProcessingTree(AttributeStorage storage) {
        return messageProcessingTreeAttribute.get(storage);
    }

    public Object getCurrentMessageProcessingObject(AttributeStorage storage) {
        List messageProcessingTree = getMessageProcessingTree(storage);
        return messageProcessingTree.get(messageProcessingTree.size() - 1);
    }
}