/**
* Create an array of records from an input stream
*
* @param in the InputStream from which the records will be obtained
* @return an array of Records created from the InputStream
* @exception RecordFormatException on error processing the InputStream
*/
public static List<Record> createRecords(InputStream in) throws RecordFormatException {
List<Record> records = new ArrayList<>(NUM_RECORDS);
RecordFactoryInputStream recStream = new RecordFactoryInputStream(in, true);
Record record;
while ((record = recStream.nextRecord()) != null) {
records.add(record);
}
return records;
}
/**
* Processes a DocumentInputStream into essentially Record events.
*
* @see org.apache.poi.poifs.filesystem.POIFSFileSystem#createDocumentInputStream(String)
* @param req an Instance of HSSFRequest which has your registered listeners
* @param in a DocumentInputStream obtained from POIFS's POIFSFileSystem object
* @return numeric user-specified result code.
*/
private short genericProcessEvents(HSSFRequest req, InputStream in) throws HSSFUserException {
short userCode = 0;
// Create a new RecordStream and use that
RecordFactoryInputStream recordStream = new RecordFactoryInputStream(in, false);
// Process each record as they come in
while (true) {
Record r = recordStream.nextRecord();
if (r == null) {
break;
}
userCode = req.processRecord(r);
if (userCode != 0) {
break;
}
}
// All done, return our last code
return userCode;
}