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package com.xagasoft.gats;

import java.io.InputStream;
import java.io.OutputStream;

public abstract class GatsObject
{
	public final static int INTEGER = 1;
	public final static int FLOAT = 2;
	public final static int STRING = 3;
	public final static int LIST = 4;
	public final static int DICTIONARY = 5;
	public final static int BOOLEAN = 6;

	public abstract int getType();

	public abstract void read( InputStream is, char cType ) throws java.io.IOException;
	public abstract void write( OutputStream os ) throws java.io.IOException;

	public static GatsObject read( InputStream is ) throws java.io.IOException
	{
		char type = (char)is.read();
		GatsObject goRet = null;
		switch( type )
		{
			case 'i':
				goRet = new GatsInteger();
				break;

			case 's':
				goRet = new GatsString();
				break;

			case '0':
			case '1':
				goRet = new GatsBoolean();
				break;

			case 'l':
				goRet = new GatsList();
				break;

			case 'd':
				goRet = new GatsDictionary();
				break;

			case 'f':
			case 'F':
		//		goRet = new GatsFloat();
				break;

			case 'e':
				return null;

			default:
				throw new java.io.IOException("Invalid gats type discovered: " + (char)type );
		}

		goRet.read( is, type );

		return goRet;
	}
};