private Object[] getDefaultValues(Class type) {
if (!usePrototypes) return null;
if (classToDefaultValues.containsKey(type)) return classToDefaultValues.get(type);
Object object;
try {
object = newInstance(type);
} catch (Exception ex) {
classToDefaultValues.put(type, null);
return null;
}
ObjectMap<String, FieldMetadata> fields = typeToFields.get(type);
if (fields == null) fields = cacheFields(type);
Object[] values = new Object[fields.size];
classToDefaultValues.put(type, values);
int i = 0;
for (FieldMetadata metadata : fields.values()) {
Field field = metadata.field;
try {
values[i++] = field.get(object);
} catch (IllegalAccessException ex) {
throw new SerializationException(
"Error accessing field: " + field.getName() + " (" + type.getName() + ")", ex);
} catch (SerializationException ex) {
ex.addTrace(field + " (" + type.getName() + ")");
throw ex;
} catch (RuntimeException runtimeEx) {
SerializationException ex = new SerializationException(runtimeEx);
ex.addTrace(field + " (" + type.getName() + ")");
throw ex;
}
}
return values;
}
public void writeFields(Object object) {
Class type = object.getClass();
Object[] defaultValues = getDefaultValues(type);
ObjectMap<String, FieldMetadata> fields = typeToFields.get(type);
if (fields == null) fields = cacheFields(type);
int i = 0;
for (FieldMetadata metadata : fields.values()) {
Field field = metadata.field;
try {
Object value = field.get(object);
if (defaultValues != null) {
Object defaultValue = defaultValues[i++];
if (value == null && defaultValue == null) continue;
if (value != null && defaultValue != null && value.equals(defaultValue)) continue;
}
if (debug)
System.out.println("Writing field: " + field.getName() + " (" + type.getName() + ")");
writer.name(field.getName());
writeValue(value, field.getType(), metadata.elementType);
} catch (IllegalAccessException ex) {
throw new SerializationException(
"Error accessing field: " + field.getName() + " (" + type.getName() + ")", ex);
} catch (SerializationException ex) {
ex.addTrace(field + " (" + type.getName() + ")");
throw ex;
} catch (Exception runtimeEx) {
SerializationException ex = new SerializationException(runtimeEx);
ex.addTrace(field + " (" + type.getName() + ")");
throw ex;
}
}
}