@SuppressWarnings("unchecked")
public Map<String, byte[]> encode(Object element) {
if (element == null) {
logger.error("The argument is null");
throw new IllegalArgumentException("The argument is null");
}
logger.debug("Encoding: " + element.toString());
PropertyDescriptor pd = null;
Object fieldValue = null;
Coder fieldCoder = null;
try {
for (Field f : fields)
if (f.isAnnotationPresent(Attribute.class)) {
pd = new PropertyDescriptor(f.getName(), element.getClass());
fieldValue = pd.getReadMethod().invoke(element);
if (fieldValue != null) {
fieldCoder = mapFieldCoder.get(f.getAnnotation(Attribute.class).name());
logger.trace(
element.getClass().getName()
+ " Update [ Field "
+ f.getName()
+ ", value: "
+ fieldValue
+ " ]");
encoderMap.put(f.getAnnotation(Attribute.class).name(), fieldCoder.encode(fieldValue));
} else {
logger.error("The field ' " + f.getName() + " ' is null");
throw new NullPointerException("The field ' " + f.getName() + " ' is null");
}
}
} catch (IntrospectionException
| IllegalAccessException
| IllegalArgumentException
| InvocationTargetException e) {
logger.error("Error in retreving the value of the fields");
e.printStackTrace();
}
return encoderMap;
}
@SuppressWarnings("unchecked")
public void decode(
Object element,
Map<String, AttributeHandle> mapFieldNameAttributeHandle,
AttributeHandleValueMap arg1) {
if (element == null || arg1 == null || mapFieldNameAttributeHandle == null) {
logger.error("Some arguments are null");
throw new IllegalArgumentException("Some arguments are null");
}
PropertyDescriptor pd = null;
Coder<Object> fieldCoder = null;
byte[] currValue = null;
try {
for (Field f : fields)
if (f.isAnnotationPresent(Attribute.class)) {
pd = new PropertyDescriptor(f.getName(), element.getClass());
fieldCoder = this.mapFieldCoder.get(f.getAnnotation(Attribute.class).name());
currValue =
arg1.get(mapFieldNameAttributeHandle.get(f.getAnnotation(Attribute.class).name()));
pd.getWriteMethod().invoke(element, fieldCoder.decode(currValue));
logger.debug(
"Attribute decoded [ Field "
+ f.getName()
+ ", value: "
+ fieldCoder.decode(currValue)
+ " ]");
}
} catch (IntrospectionException
| IllegalAccessException
| IllegalArgumentException
| InvocationTargetException
| DecoderException e) {
e.printStackTrace();
}
}