/**
* This method get a string (Hexa or ASCII) from a bit table
*
* @param pAnnotation annotation data
* @param pBit bit table
* @return A string
*/
private static String getString(final AnnotationData pAnnotation, final BitUtils pBit) {
String obj = null;
if (pAnnotation.isReadHexa()) {
obj = pBit.getNextHexaString(pAnnotation.getSize());
} else {
obj = pBit.getNextString(pAnnotation.getSize()).trim();
}
return obj;
}
/**
* Method use to get float
*
* @param pAnnotation annotation
* @param pBit bit utils
* @return
*/
private static Float getFloat(final AnnotationData pAnnotation, final BitUtils pBit) {
Float ret = null;
if (BCD_FORMAT.equals(pAnnotation.getFormat())) {
ret = Float.parseFloat(pBit.getNextHexaString(pAnnotation.getSize()));
} else {
ret = (float) getInteger(pAnnotation, pBit);
}
return ret;
}
/**
* Method to get a date from the bytes table
*
* @param pAnnotation annotation data
* @param pBit table bytes
* @return The date read of null
*/
private static Date getDate(final AnnotationData pAnnotation, final BitUtils pBit) {
Date date = null;
if (pAnnotation.getDateStandard() == BCD_DATE) {
SimpleDateFormat sdf = new SimpleDateFormat(pAnnotation.getFormat());
StringBuffer buff = new StringBuffer();
for (int i = 0; i < pAnnotation.getSize(); i += HALF_BYTE_SIZE) {
buff.append(pBit.getNextInteger(HALF_BYTE_SIZE));
}
try {
date = sdf.parse(buff.toString());
} catch (ParseException e) {
LOGGER.error("Start date invalid" + e.getMessage(), e);
}
} else {
date = pBit.getNextDate(pAnnotation.getSize(), pAnnotation.getFormat());
}
return date;
}
/**
* Method to read and object from the bytes tab
*
* @param pAnnotation all information data
* @param pBit bytes tab
* @return an object
*/
public static Object getObject(final AnnotationData pAnnotation, final BitUtils pBit) {
Object obj = null;
Class<?> clazz = pAnnotation.getField().getType();
if (clazz.equals(Integer.class)) {
obj = getInteger(pAnnotation, pBit);
} else if (clazz.equals(Float.class)) {
obj = getFloat(pAnnotation, pBit);
} else if (clazz.equals(String.class)) {
obj = getString(pAnnotation, pBit);
} else if (clazz.equals(Date.class)) {
obj = getDate(pAnnotation, pBit);
} else if (clazz.equals(Boolean.class)) {
obj = pBit.getNextBoolean();
} else if (clazz.isEnum()) {
obj = getEnum(pAnnotation, pBit);
}
return obj;
}
/**
* This method is used to get an integer
*
* @param pAnnotation annotation
* @param pObject the object to set
* @param pBit bit array
*/
private static int getInteger(final AnnotationData pAnnotation, final BitUtils pBit) {
return pBit.getNextInteger(pAnnotation.getSize());
}
/**
* This method is used to get an enum with his key
*
* @param pAnnotation annotation
* @param pBit bit array
*/
@SuppressWarnings("unchecked")
private static IKeyEnum getEnum(final AnnotationData pAnnotation, final BitUtils pBit) {
int val = Integer.parseInt(pBit.getNextHexaString(pAnnotation.getSize()));
return EnumUtils.getValue(val, (Class<? extends IKeyEnum>) pAnnotation.getField().getType());
}
