protected static <T> void parseEDISegmentOrSegmentGroup(
EDIMessage ediMessage,
T object,
Iterator<Field> fieldIterator,
Queue<String> lookAhead,
SegmentIterator segmentIterator)
throws EDIMessageException, IllegalAccessException, InvocationTargetException,
InstantiationException, ClassNotFoundException, ConversionException {
if (!fieldIterator.hasNext()) {
throw new EDIMessageException("No more fields to read.");
}
if (!segmentIterator.hasNext() && lookAhead.size() == 0) {
return;
}
// get the queued object first...
String line = lookAhead.size() > 0 ? lookAhead.remove() : segmentIterator.next();
// match up the field with the line...
FieldMatch fm = advanceToMatch(ediMessage, fieldIterator, line);
//
if (fm != null) {
Class<?> fieldType = getEDISegmentOrGroupType(fm.getField());
if (fieldType.isAnnotationPresent(EDISegment.class)) {
processSegment(ediMessage, object, lookAhead, segmentIterator, fm);
} else if (fieldType.isAnnotationPresent(EDISegmentGroup.class)) {
processSegmentGroup(ediMessage, object, lookAhead, segmentIterator, fm);
}
} else {
lookAhead.add(line);
}
}
public boolean isValid(final Object value, final ConstraintValidatorContext context) {
boolean isValid = false;
BeanWrapper beanWrapper = new BeanWrapperImpl(value);
final Object field = beanWrapper.getPropertyValue(constraint.field());
final Object match = beanWrapper.getPropertyValue(constraint.match());
isValid = field == match || field != null && field.equals(match);
if (!isValid) {
context
.buildConstraintViolationWithTemplate(constraint.message())
.addNode(constraint.match())
.addConstraintViolation();
}
return isValid;
}
protected static <T> void processSegment(
EDIMessage ediMessage,
T object,
Queue<String> lookAhead,
SegmentIterator SegmentIterator,
FieldMatch fm)
throws InstantiationException, IllegalAccessException, InvocationTargetException,
ClassNotFoundException, ConversionException {
if (Collection.class.isAssignableFrom(fm.getField().getType())) {
Collection obj = CollectionFactory.newInstance(fm.getField().getType());
BeanUtils.setProperty(object, fm.getField().getName(), obj);
// look ahead to see if we need to break.
Class<?> collectionClass = getCollectionType(fm.getField());
if (collectionClass.isAnnotationPresent(EDISegment.class)) {
EDISegment es = collectionClass.getAnnotation(EDISegment.class);
// first, go ahead and add the object from the field match.
Object matchObject = collectionClass.newInstance();
parseEDISegmentFields(ediMessage, matchObject, fm.getLine());
obj.add(matchObject);
Queue<String> segments = queueLinesForType(ediMessage, es, lookAhead, SegmentIterator);
for (String segment : segments) {
Object collectionObject = collectionClass.newInstance();
parseEDISegmentFields(ediMessage, collectionObject, segment);
obj.add(collectionObject);
}
}
} else {
Object obj = fm.getField().getType().newInstance();
BeanUtils.setProperty(object, fm.getField().getName(), obj);
parseEDISegmentFields(ediMessage, obj, fm.getLine());
}
}
protected static <T> void processSegmentGroup(
EDIMessage ediMessage,
T object,
Queue<String> lookAhead,
SegmentIterator segmentIterator,
FieldMatch fm)
throws InstantiationException, IllegalAccessException, InvocationTargetException,
ClassNotFoundException, ConversionException, EDIMessageException {
LOG.debug("Object: " + ReflectionToStringBuilder.toString(object));
LOG.debug("Field: " + fm.getField().getName());
Class<?> segmentGroupClass = getEDISegmentOrGroupType(fm.getField());
if (!segmentGroupClass.isAnnotationPresent(EDISegmentGroup.class)) {
throw new EDIMessageException("Segment Group should have annotation.");
}
LOG.debug("Segment Group Type: " + segmentGroupClass);
String line = fm.getLine();
EDISegmentGroup es = segmentGroupClass.getAnnotation(EDISegmentGroup.class);
if (StringUtils.equals(es.header(), line)) {
// feed line.
} else {
LOG.debug("Adding to Look Ahead: " + line);
lookAhead.add(line);
}
if (Collection.class.isAssignableFrom(fm.getField().getType())) {
Collection obj = CollectionFactory.newInstance(fm.getField().getType());
BeanUtils.setProperty(object, fm.getField().getName(), obj);
String segmentTag = getSegmentTag(fm.getField(), true);
while (true) {
LOG.debug("Looping to collect Collection of Segment Groups");
// parse the group...
Field[] fields = segmentGroupClass.getDeclaredFields();
final List<Field> fieldsList = Arrays.asList(fields);
ListIterator<Field> fieldIterator = fieldsList.listIterator(0);
Object collectionObj = segmentGroupClass.newInstance();
while (fieldIterator.hasNext() && (segmentIterator.hasNext() || lookAhead.size() > 0)) {
if (startOfNewRecursiveObject(fieldIterator, fieldsList, segmentGroupClass)) {
String next = lookAhead.size() > 0 ? lookAhead.remove() : segmentIterator.next();
lookAhead.add(next);
if (!isSegmentHeirarchicalLevelAndDeeperLevel(
line, next, Character.toString(ediMessage.elementDelimiter()))) {
LOG.debug("Reaching new instance of list.");
break;
}
}
parseEDISegmentOrSegmentGroup(
ediMessage, collectionObj, fieldIterator, lookAhead, segmentIterator);
}
obj.add(collectionObj);
// look to next line...
String nextLine = lookAhead.size() > 0 ? lookAhead.remove() : segmentIterator.next();
// get the first element of the line.
StrTokenizer nextLineTokenizer = new StrTokenizer(nextLine, ediMessage.elementDelimiter());
if (StringUtils.equals(segmentTag, nextLineTokenizer.nextToken())) {
if (!isSegmentEqual(line, nextLine, Character.toString(ediMessage.elementDelimiter()))) {
LOG.debug("Reaching new collection");
lookAhead.add(nextLine);
break;
}
LOG.debug("Might be a repeat..");
LOG.debug("Next line: " + line);
lookAhead.add(nextLine);
} else {
lookAhead.add(nextLine);
break;
}
// now, look ahead to see whether the next line is of the same
// object type..
if (!segmentIterator.hasNext() && lookAhead.size() == 0) {
break;
}
}
} else {
Field[] fields = segmentGroupClass.getDeclaredFields();
Iterator<Field> fieldIterator = Arrays.asList(fields).iterator();
Object obj = segmentGroupClass.newInstance();
while (fieldIterator.hasNext() && (segmentIterator.hasNext() || lookAhead.size() > 0)) {
parseEDISegmentOrSegmentGroup(ediMessage, obj, fieldIterator, lookAhead, segmentIterator);
}
BeanUtils.setProperty(object, fm.getField().getName(), obj);
}
// look at next...
if (StringUtils.isNotBlank(es.header())) {
line = lookAhead.size() > 0 ? lookAhead.remove() : segmentIterator.next();
if (StringUtils.endsWith(es.footer(), line)) {
// feed line.
LOG.debug("Popping footer off of the line iterator.");
} else {
lookAhead.add(line);
}
}
}
@Override
public void initialize(final FieldMatch constraintAnnotation) {
firstFieldName = constraintAnnotation.first();
secondFieldName = constraintAnnotation.second();
type = constraintAnnotation.type();
}
