Application: gvSIG desktop

import com.iver.cit.jdwglib.dwg.DwgClass;

	private boolean debug = false;

			readDwgSectionOffsets();

			if(debug){

				readHeaders();

				readDwgClasses();

			}	

			readDwgObjects();

			//TODO Los handle se leen asi??

			double[] spaces4 = new double[2];

			val = DwgUtil.getRawDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces4[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getRawDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces4[1] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("PSPACE_LIMMIN", spaces4);

			double[] spaces5 = new double[2];

			val = DwgUtil.getRawDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces5[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getRawDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces5[1] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("PSPACE_LIMMAX", spaces5);

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("PSPACE_ELEVATION", val.get(1));

			double[] spaces6 = new double[6];

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces6[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces6[1] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces6[2] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("PSPACE_UCSORG", spaces6);

			double[] spaces7 = new double[6];

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces7[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces7[1] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces7[2] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("PSPACE_UCSXDIR", spaces7);

			double[] spaces8 = new double[6];

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces8[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces8[1] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces8[2] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("PSPACE_UCSYDIR", spaces8);

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("PSPACE_UCSNAME", new Integer(intHandle));

			double[] spaces9 = new double[6];

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces9[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces9[1] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces9[2] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("MSPACE_INSBASE", spaces9);

			double[] spaces10 = new double[6];

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces10[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces10[1] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces10[2] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("MSPACE_EXTMIN", spaces10);

			double[] spaces11 = new double[3];

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces11[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces11[1] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces11[2] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("MSPACE_EXTMAX", spaces11);

			double[] spaces12= new double[2];

			val = DwgUtil.getRawDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces12[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getRawDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces12[1] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("MSPACE_LIMMIN", spaces12);

			double[] spaces13= new double[2];

			val = DwgUtil.getRawDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces13[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getRawDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces13[1] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("MSPACE_LIMMAX", spaces13);

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("MSPACE_ELEVATION", (Double)val.get(1));

			double[] spaces14 = new double[3];

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces14[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces14[1] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces14[2] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("MSPACE_UCSORG", spaces14);

			double[] spaces15 = new double[3];

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces15[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces15[1] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces15[2] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("MSPACE_UCSXDIR", spaces15);

			double[] spaces16 = new double[3];

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces16[0] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces16[1] = ((Double)val.get(1)).doubleValue();

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			spaces16[2] = ((Double)val.get(1)).doubleValue();

			dwgFile.setHeader("MSPACE_UCSYDIR", spaces16);

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("MSPACE_UCSNAME", new Integer(intHandle));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTOL", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMLIM", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTIH", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTOH", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMSE1", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTSE2", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMALT", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTOFL", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMSAH", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTIX", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMSOXD", val.get(1));

			val = DwgUtil.getRawChar(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMALTD", val.get(1));

			val = DwgUtil.getRawChar(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMZIN", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMSD1", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMSD2", val.get(1));

			val = DwgUtil.getRawChar(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTOLJ", val.get(1));

			val = DwgUtil.getRawChar(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMJUST", val.get(1));

			val = DwgUtil.getRawChar(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMFINT", val.get(1));

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMUPT", val.get(1));

			val = DwgUtil.getRawChar(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMZIN", val.get(1));

			val = DwgUtil.getRawChar(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMALTZ", val.get(1));

			val = DwgUtil.getRawChar(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMALTTZ", val.get(1));

			val = DwgUtil.getRawChar(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTAD", val.get(1));

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMUNIT", val.get(1));

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMAUNIT", val.get(1));

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMDEC", val.get(1));

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTDEC", val.get(1));

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMALTU", val.get(1));

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMALTTD", val.get(1));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("DIMTXSTY", new Integer(intHandle));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMSCALE", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMASZ", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMEXO", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMDLI", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMEXE", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMAND", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMDLE", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTP", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTM", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTXT", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMCEN", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMSZ", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMALTF", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMLFAC", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTVP", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMTFAC", val.get(1));

			val = DwgUtil.getBitDouble(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMGAP", val.get(1));

			val = DwgUtil.getTextString(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMPOST", val.get(1));

			val = DwgUtil.getTextString(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMAPOST", val.get(1));

			val = DwgUtil.getTextString(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMBLK", val.get(1));

			val = DwgUtil.getTextString(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMBLK1", val.get(1));

			val = DwgUtil.getTextString(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMBLK2", val.get(1));

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMCLRD", val.get(1));

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMCLRE", val.get(1));

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			dwgFile.setHeader("DIMCLRT", val.get(1));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("BLOCK_CONTROL_OBJECT", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("LAYER_CONTROL_OBJECT", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("STYLE_CONTROL_OBJECT", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("LINETYPE_CONTROL_OBJECT", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("VIEW_CONTROL_OBJECT", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("UCS_CONTROL_OBJECT", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("VPORT_CONTROL_OBJECT", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("APPID_CONTROL_OBJECT", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("DIMSTYLE_CONTROL_OBJECT", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("VIEWPORT_ENTITY_HEADER", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("ACAD_GROUP_DICTIONARY", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("ACAD_MLINE_DICTIONARY", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("NAMED_OBJECT_DICTIONARY", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("PAPER_BLOCK_RECORD", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("MODEL_BLOCK_RECORD", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("LTYPE_BYLAYER", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("LTYPE_BYBLOCK", new Integer(intHandle));

			val = DwgUtil.getHandle(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			intHandle = DwgUtil.handleToInt(val);

			dwgFile.setHeader("LTYPE_CONTINUOUS", new Integer(intHandle));

//		    # remaing bits are unknown, and they end with possible

//		    # padding bits so that 16-bit CRC value after the data

//		    # is on a byte boundary - ignore them for now ...	  

		}             

	/*

	 * TODO Probar, y si no va, meter el codigo del lector de V15

	 * (es SIMILAR, llevar a clase abstracta comun)

//TODO Cuando en Python no pone < ni >, es nativeOrder o little_endian??			

//			bb.order(ByteOrder.LITTLE_ENDIAN);

			bb.order(ByteOrder.nativeOrder());

			bb.get(dataBytes);

			/*TODO Creo q esto no hace falta, al estar en bytes nativos

			 * (no en LITTLE_ENDIAN)

			*/

			int[] data = DwgUtil.toIntArray(dataBytes);

			/*

			the spec says 'last_handle' and 'last_loc' are initialized outside

		    the outer for loop - postings on OpenDWG forum say these variables

		     must be initialized for each section

		      */

			int bitMax= (size - 2) * 8;//se quitan 2 bytes por el CRC final

				List v = DwgUtil.getModularChar(data, bitPos);

		bb.position(offset);

		//1? leemos el sentinnel inicial

		bb.order(ByteOrder.nativeOrder());

		byte[] sentinel = new byte[16];

		bb.get(sentinel);

		if(sentinel[0] != 0x8d)

			logger.warn("sentinel[0] != 0x8d");

		if(sentinel[1] != 0xa1)

			logger.warn("sentinel[1] != 0xa1");

		if(sentinel[2] != 0xc4)

			logger.warn("sentinel[2] != 0xc4");

		if(sentinel[3] != 0xb8)

			logger.warn("sentinel[3] != 0xb8");

		if(sentinel[4] != 0xc4)

			logger.warn("sentinel[4] != 0xc4");

		if(sentinel[5] != 0xa9)

			logger.warn("sentinel[5] != 0xa9");

		if(sentinel[6] != 0xf8)

			logger.warn("sentinel[6] != 0xf8");

		if(sentinel[7] != 0xc5)

			logger.warn("sentinel[7] != 0xc5");

		if(sentinel[8] != 0xc0)

			logger.warn("sentinel[8] != 0xc0");

		if(sentinel[9] != 0xdc)

			logger.warn("sentinel[9] != 0xdc");

		if(sentinel[10] != 0xf4)

			logger.warn("sentinel[10] != 0xf4");

		if(sentinel[11] != 0x5f)

			logger.warn("sentinel[11] != 0x5f");

		if(sentinel[12] != 0xe7)

			logger.warn("sentinel[12] != 0xe7");

		if(sentinel[13] != 0xcf)

			logger.warn("sentinel[13] != 0xcf");

		if(sentinel[14] != 0xb6)

			logger.warn("sentinel[14] != 0xb6");

		if(sentinel[15] != 0x8a)

			logger.warn("sentinel[15] != 0x8a");

		byte[] data = new byte[size];

		bb.get(data);

		int[] intData = DwgUtil.toIntArray(data);

		short crc = bb.getShort();

		int maxBit = size * 8;

		List val = null;

		while ( (bitPos + 8) < maxBit){

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			int classNum = ((Integer)val.get(1)).intValue();

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			int version = ((Integer)val.get(1)).intValue();

			val = DwgUtil.getTextString(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			String appName = (String)val.get(1);

			val = DwgUtil.getTextString(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			String cPlusPlusName = (String)val.get(1);

			val = DwgUtil.getTextString(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			String dxfName = (String)val.get(1);

			val = DwgUtil.testBit(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			boolean isZombie = ((Boolean)val.get(0)).booleanValue();

			val = DwgUtil.getBitShort(intData, bitPos);

			bitPos = ((Integer)val.get(0)).intValue();

			int id = ((Integer)val.get(1)).intValue();

			DwgClass dwgClass = new DwgClass(classNum, version, appName, 

								cPlusPlusName, dxfName, isZombie, id);

			dwgFile.addDwgClass(dwgClass);

		}//while

//		Por ultimo, el sentinnel final

		bb.order(ByteOrder.nativeOrder());

		byte[] lastSentinnel = new byte[16];

		bb.get(lastSentinnel);

		if(lastSentinnel[0] != 0x72)

			logger.warn("lastSentinnel[0] != 0x72");

		if(lastSentinnel[1] != 0x5e)

			logger.warn("lastSentinnel[1] != 0x5e");

		if(lastSentinnel[2] != 0x3b)

			logger.warn("lastSentinnel[2] != 0x3b");

		if(lastSentinnel[3] != 0x47)

			logger.warn("lastSentinnel[3] != 0x47");

		if(lastSentinnel[4] != 0x3b)

			logger.warn("lastSentinnel[4] != 0x3b");

		if(lastSentinnel[5] != 0x56)

			logger.warn("lastSentinnel[5] != 0x56");

		if(lastSentinnel[6] != 0x07)

			logger.warn("lastSentinnel[6] != 0x07");

		if(lastSentinnel[7] != 0x3a)

			logger.warn("lastSentinnel[7] != 0x3a");

		if(lastSentinnel[8] != 0x3f)

			logger.warn("lastSentinnel[8] != 0x3f");

		if(lastSentinnel[9] != 0x23)

			logger.warn("lastSentinnel[9] != 0x23");

		if(lastSentinnel[10] != 0x0b)

			logger.warn("lastSentinnel[10] != 0x0b");

		if(lastSentinnel[11] != 0xa0)

			logger.warn("lastSentinnel[11] != 0xa0");

		if(lastSentinnel[12] != 0x18)

			logger.warn("lastSentinnel[12] != 0x18");

		if(lastSentinnel[13] != 0x30)

			logger.warn("lastSentinnel[13] != 0x30");

		if(lastSentinnel[14] != 0x49)

			logger.warn("lastSentinnel[14] != 0x49");

		if(lastSentinnel[15] != 0x75)

			logger.warn("lastSentinnel[15] != 0x75");

		List dwgClasses = dwgFile.getDwgClasses();

		for (int i = 0; i <= dwgClasses.size(); i++){

			DwgClass dwgClass = (DwgClass) dwgClasses.get(i);

		}

		}//for

	/*

def read_objects(handle, objmap, cmap):

    # print "read_objects() ..."

    #

    # use the classmap to tie the variable object numbers

    # to the type of object for use in the vobjmap dict

    _vmap = {}

    for _key in cmap.keys():

        _type = cmap[_key][3] # classdxfclassname field

        _vmap[_key] = _type

        # print "mapping type %d to %s" % (_key, _type)

    _objkeys = objmap.keys()

    _objkeys.sort()

    _objlist = []

    for _obj in _objkeys:

        _ent = dwgbase.dwgEntity()

        _last_handle, _foffset, _last_loc = objmap[_obj]

        handle.seek(_last_loc, 0) # use absolete offset

        _size = dwgbase.get_modular_short(handle)

        _data = array.array('B')

        _data.fromfile(handle, _size)

        # _ent.setEntityData('bitstream', _data)

        _bitpos = 0

        _bitpos, _type = dwgutil.get_bit_short(_data, _bitpos)

        _ent.setType(_type)

        _bitpos, _handle = dwgutil.get_handle(_data, _bitpos)

        _ent.setHandle(_handle)

        _eexdata = []

        while True:

            _bitpos, _exsize = dwgutil.get_bit_short(_data, _bitpos)

            # print "extended data size: %d" % _exsize

            if _exsize == 0:

                break

            # print "bitpos: %d" % _bitpos

            _bitpos, _handle = dwgutil.get_handle(_data, _bitpos)

            # print "eed handle: " + str(_handle)

            _count = 0

            _eedata = []

            while (_count < _exsize):

                # print "count: %d" % _count

                _bitpos, _cb = dwgutil.get_raw_char(_data, _bitpos)

                # print "code byte: %#x" % _cb

                _count = _count + 1

                if _cb == 0x0:

                    _bitpos, _slen = dwgutil.get_raw_char(_data, _bitpos)

                    _bitpos, _cp = dwgutil.get_raw_short(_data, _bitpos)

                    # print "code page: %d" % _cp

                    _chars = []

                    for _i in range(_slen):

                        _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos)

                        _chars.append(chr(_char))

                    _string = "".join(_chars)

                    _eedata.append(_string)

                    _count = _count + 3 + _slen

                  elif _cb == 0x1:

                    raise ValueError, "Invalid EEX code byte: 0x1"

                elif _cb == 0x2:

                    _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos)

                    if _char == 0x0:

                        _eedata.append("{")

                    elif _char == 0x1:

                        _eedata.append("}")

                    else:

                        raise ValueError, "Unexpected EEX char: %#02x" % _char

                    _count = _count + 1

                elif _cb == 0x3:

                    # print "layer table reference"

                    _chars = []

                    for _i in range(8):

                        _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos)

                        _chars.append(_char)

                    _eedata.append(_chars)

                    _count = _count + 8

                elif _cb == 0x4:

                    # print "binary chunk"

                    _bitpos, _len = dwgutil.get_raw_char(_data, _bitpos)

                    _chars = []

                    for _i in range(_len):

                        _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos)

                        _chars.append(_char)

                    _eedata.append(_chars)

                    _count = _count + 1 + _len

                elif _cb == 0x5:

                    # print "entity handle reference"

                    _chars = []

                    for _i in range(8):

                        _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos)

                        _chars.append(_char)

                    _eedata.append(_chars)

                    _count = _count + 8

                elif (0xa <= _cb <= 0xd):

                    # print "three doubles"

                    _bitpos, _d1 = dwgutil.get_raw_double(_data, _bitpos)

                    _bitpos, _d2 = dwgutil.get_raw_double(_data, _bitpos)

                    _bitpos, _d3 = dwgutil.get_raw_double(_data, _bitpos)

                    _eedata.append((_d1, _d2, _d3))

                    _count = _count + 24

                elif (0x28 <= _cb <= 0x2a):

                    # print "one double"

                    _bitpos, _d = dwgutil.get_raw_double(_data, _bitpos)

                    _eedata.append(_d)

                    _count = _count + 8

                elif _cb == 0x46:

                    # print "short int"

                    _bitpos, _short = dwgutil.get_raw_short(_data, _bitpos)

                    _eedata.append(_short)

                    _count = _count + 2

                elif _cb == 0x47:

                    # print "long int"

                    _bitpos, _long = dwgutil.get_raw_long(_data, _bitpos)

                    _eedata.append(_long)

                    print "long: %d" % _long

                    _count = _count + 4

                else:

                    raise ValueError, "Unexpected code byte: %#02x" % _cb

        # These objects may have the graphics bit

        #

        _gflag = False

        _reader = None

        if _type < len(_objflags):

            _gflag, _reader = _objflags[_type]

        if _gflag:

            _bitpos, _val = dwgutil.test_bit(_data, _bitpos)

            if _val is True:

                _bitpos, _gsize = dwgutil.get_raw_long(_data, _bitpos)

                # print "graphic data bit size: %d" % _gsize

                # print "bitpos: %d" % _bitpos

                _bgsize = _gsize * 8

                _gidata = dwgutil.get_bits(_data, _bgsize, _bitpos)

                _bitpos = _bitpos + _bgsize

                _ent.setEntityData('graphic_data', _gidata)

        _bitpos, _objbsize = dwgutil.get_raw_long(_data, _bitpos)

        if _reader is not None:

            _reader(_ent, _data, _bitpos)

        elif _type in _vmap:

            _stype = _vmap[_type]

            if _stype == 'HATCH': # where is the data kept?

                _bitpos, _val = dwgutil.test_bit(_data, _bitpos)

                # print "graphic flag: " + str(_val)

            if _stype in _vobjmap:

                _vobjmap[_stype](_ent, _data, _bitpos)

        else:

            # print "unhandled object type: %d" % _type

            pass

        _objlist.append(_ent)

    return _objlist

	 * */

		try {

 * Entry in the CLASSES section of a dwg file.

 * @author azabala

	int classNum;

    int version;

    String appName;

    String cPlusPlusName;

    String dxfName;

    boolean isZombie;

    int id;

    public DwgClass(int classNum, int version, String appName,

    		String cPlusPlusName, String dxfName, boolean isZombie, int id){

    	this.classNum = classNum;

        this.version = version;

        this.appName = appName;

        this.cPlusPlusName = cPlusPlusName;

        this.dxfName = dxfName;

        this.isZombie = isZombie;

        this.id = id;

    }

	/**

	 * @return Returns the appName.

	 */

	public String getAppName() {

		return appName;

	}

	/**

	 * @param appName The appName to set.

	 */

	public void setAppName(String appName) {

		this.appName = appName;

	}

	/**

	 * @return Returns the classNum.

	 */

	public int getClassNum() {

		return classNum;

	}

	/**

	 * @param classNum The classNum to set.

	 */

	public void setClassNum(int classNum) {

		this.classNum = classNum;

	}

	/**

	 * @return Returns the cPlusPlusName.

	 */

	public String getCPlusPlusName() {

		return cPlusPlusName;

	}

	/**

	 * @param plusPlusName The cPlusPlusName to set.

	 */

	public void setCPlusPlusName(String plusPlusName) {

		cPlusPlusName = plusPlusName;

	}

	/**

	 * @return Returns the dxfName.

	 */

	public String getDxfName() {

		return dxfName;

	}

	/**

	 * @param dxfName The dxfName to set.

	 */

	public void setDxfName(String dxfName) {

		this.dxfName = dxfName;

	}

	/**

	 * @return Returns the id.

	 */

	public int getId() {

		return id;

	}

	/**

	 * @param id The id to set.

	 */

	public void setId(int id) {

		this.id = id;

	}

	/**

	 * @return Returns the isZombie.

	 */

	public boolean isZombie() {

		return isZombie;

	}

	/**

	 * @param isZombie The isZombie to set.

	 */

	public void setZombie(boolean isZombie) {

		this.isZombie = isZombie;

	}

	/**

	 * @return Returns the version.

	 */

	public int getVersion() {

		return version;

	}

	/**

	 * @param version The version to set.

	 */