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/**
 * Copyright 2007 Charlie Hubbard and Brandon Goodin
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
package flexjson.transformer;

import java.util.Map;

import flexjson.JSONContext;
import flexjson.Path;
import flexjson.TypeContext;

public class MapTransformer extends AbstractTransformer
{

	public void transform(Object object)
	{
		JSONContext context= getContext();
		Path path= context.getPath();
		Map value= (Map) object;

		TypeContext typeContext= getContext().writeOpenObject();
		for (Object key : value.keySet())
		{

			path.enqueue(key != null ? key.toString() : null);

			if (context.isIncluded(key != null ? key.toString() : null, value.get(key)))
			{

				TransformerWrapper transformer= (TransformerWrapper) context.getTransformer(value.get(key));

				if (!transformer.isInline())
				{
					if (!typeContext.isFirst())
						getContext().writeComma();
					typeContext.setFirst(false);
					if (key != null)
					{
						getContext().writeName(key.toString());
					}
					else
					{
						getContext().writeName(null);
					}
				}

				if (key != null)
				{
					typeContext.setPropertyName(key.toString());
				}
				else
				{
					typeContext.setPropertyName(null);
				}

				transformer.transform(value.get(key));

			}

			path.pop();

		}
		getContext().writeCloseObject();
	}

}