/**
* Looks for an element with the given tag name in the Tree data being parsed, returning the path
* hierarchy to reach it.
*
* @param parser
* @param tag The element name (can be qualified) to search for
* @return If the tag is found, an array of strings is returned. If the tag is at the top level,
* the tag will be the only item in the array. If the tag is nested beneath the top level, the
* array is filled with the hierarchy with the tag name at the last index null if the the tag
* is not found.
* @throws ServletException
*/
protected static List<String> detectRecordElement(TreeReader parser, String tag)
throws TreeReaderException {
if (parser.current() == Token.Ignorable) {
parser.next();
}
String localName = parser.getFieldName();
String fullName = composeName(parser.getPrefix(), localName);
if (tag.equals(parser.getFieldName()) || tag.equals(fullName)) {
List<String> path = new LinkedList<String>();
path.add(localName);
return path;
}
while (parser.hasNext()) {
Token eventType = parser.next();
if (eventType == Token.EndEntity) { // XMLStreamConstants.END_ELEMENT) {
break;
} else if (eventType == Token.StartEntity) { // XMLStreamConstants.START_ELEMENT) {
List<String> path = detectRecordElement(parser, tag);
if (path != null) {
path.add(0, localName);
return path;
}
}
}
return null;
}
/**
* @param project
* @param parser
* @param recordPath
* @param pathIndex
* @param rootColumnGroup
* @throws ServletException
*/
protected static void findRecord(
Project project,
TreeReader parser,
String[] recordPath,
int pathIndex,
ImportColumnGroup rootColumnGroup,
int limit)
throws TreeReaderException {
logger.trace(
"findRecord(Project, TreeReader, String[], int, ImportColumnGroup - path:"
+ Arrays.toString(recordPath));
if (parser.current() == Token.Ignorable) { // XMLStreamConstants.START_DOCUMENT){
logger.warn("Cannot use findRecord method for START_DOCUMENT event");
return;
}
String recordPathSegment = recordPath[pathIndex];
String localName = parser.getFieldName();
String fullName = composeName(parser.getPrefix(), localName);
if (recordPathSegment.equals(localName) || recordPathSegment.equals(fullName)) {
if (pathIndex < recordPath.length - 1) {
while (parser.hasNext() && limit != 0) {
Token eventType = parser.next();
if (eventType == Token.StartEntity) {
findRecord(project, parser, recordPath, pathIndex + 1, rootColumnGroup, limit--);
} else if (eventType == Token.EndEntity) {
break;
} else if (eventType == Token.Value) {
// This is when the user picks a specific field to import, not a whole object or
// element.
if (pathIndex == recordPath.length - 2) {
String desiredFieldName = recordPath[pathIndex + 1];
String currentFieldName = parser.getFieldName();
if (desiredFieldName.equals(currentFieldName)) {
processFieldAsRecord(project, parser, rootColumnGroup);
}
}
}
}
} else {
processRecord(project, parser, rootColumnGroup);
}
} else {
skip(parser);
}
}
/**
* @param project
* @param parser
* @param columnGroup
* @param record
* @throws ServletException
*/
protected static void processSubRecord(
Project project,
TreeReader parser,
ImportColumnGroup columnGroup,
ImportRecord record,
int level)
throws TreeReaderException {
logger.trace(
"processSubRecord(Project,TreeReader,ImportColumnGroup,ImportRecord) lvl:"
+ level
+ " "
+ columnGroup);
if (parser.current() == Token.Ignorable) {
return;
}
ImportColumnGroup thisColumnGroup =
getColumnGroup(
project, columnGroup, composeName(parser.getPrefix(), parser.getFieldName()));
thisColumnGroup.nextRowIndex = Math.max(thisColumnGroup.nextRowIndex, columnGroup.nextRowIndex);
int attributeCount = parser.getAttributeCount();
for (int i = 0; i < attributeCount; i++) {
String text = parser.getAttributeValue(i).trim();
if (text.length() > 0) {
addCell(
project,
thisColumnGroup,
record,
composeName(parser.getAttributePrefix(i), parser.getAttributeLocalName(i)),
text);
}
}
while (parser.hasNext()) {
Token eventType = parser.next();
if (eventType == Token.StartEntity) {
processSubRecord(project, parser, thisColumnGroup, record, level + 1);
} else if ( // eventType == XMLStreamConstants.CDATA ||
eventType == Token.Value) { // XMLStreamConstants.CHARACTERS) {
String text = parser.getFieldValue();
String colName = parser.getFieldName();
if (text != null) {
text = text.trim();
if (text.length() > 0) {
addCell(project, thisColumnGroup, record, colName, text);
}
}
} else if (eventType == Token.EndEntity) {
break;
} else if (eventType == Token.Ignorable) {
continue;
} else {
logger.info("unknown event type " + eventType);
}
}
int nextRowIndex = thisColumnGroup.nextRowIndex;
for (ImportColumn column2 : thisColumnGroup.columns.values()) {
nextRowIndex = Math.max(nextRowIndex, column2.nextRowIndex);
}
for (ImportColumnGroup columnGroup2 : thisColumnGroup.subgroups.values()) {
nextRowIndex = Math.max(nextRowIndex, columnGroup2.nextRowIndex);
}
thisColumnGroup.nextRowIndex = nextRowIndex;
}