/**
* This gets a String to be split in the message object.It splits the string into substrings and
* then stores them in the message object to be apssed to the next processors individually. This
* class expects at least a single next processor hence it return a null if there are no next
* processors.
*
* @param msgObj The MesageObject containg the string.
* @return NVPair[] Name-Value pair array of next processor name and the MessageObject
* @exception ProcessingException Thrown if processing fails
*/
public NVPair[] process(MessageProcessorContext context, MessageObject msgObj)
throws MessageException, ProcessingException {
if (Debug.isLevelEnabled(Debug.BENCHMARK))
Debug.log(Debug.BENCHMARK, "Reached Splitter process method..");
// Debug.log(null, Debug.UNIT_TEST,"MESSAGE OBJECT RECEIVED:--->"+msgObj.describe());
if (msgObj == null) {
return null;
} else if (toProcessorNames == null) {
Debug.log(Debug.ALL_WARNINGS, "Splitter: No next processors available. Hence exiting.");
} else if (!(msgObj.get() instanceof String)) {
if (Debug.isLevelEnabled(Debug.UNIT_TEST))
Debug.log(Debug.UNIT_TEST, "SPLITTER : UNIT_TEST: " + ((msgObj.get()).getClass()));
throw new ProcessingException("ERROR: Splitter: " + "The msg Object must be a String.");
}
if (Debug.isLevelEnabled(Debug.UNIT_TEST))
Debug.log(Debug.UNIT_TEST, "MESSAGE OBJECT RECEIVED:--->" + msgObj.describe());
String batchedRecords = msgObj.getString();
List singleRecord;
String subStr = "";
// to take care empty batch files that are valid files in some cases
if (!StringUtils.hasValue(batchedRecords)) {
Debug.log(Debug.ALL_WARNINGS, "MESSAGE CONTENT IS NULL");
return null;
}
if (!StringUtils.hasValue(fileSeparator)) // if fileseparator is false...
{
if (batchedRecords.length() < splitLength) {
throw new MessageException(
"ERROR: Splitter: " + "Batched String length is less than " + splitLength + "bytes.");
}
float tempSize = (float) (batchedRecords.length()) / splitLength;
int size = (batchedRecords.length()) / splitLength;
// check for length of string
if (size != tempSize) {
throw new MessageException(
"ERROR: Splitter: " + "Record received is not of correct length");
}
singleRecord = new Vector(size);
int i = 0;
for (i = 0; i < size; i++) {
subStr = batchedRecords.substring(i * splitLength, (i + 1) * splitLength);
singleRecord.add(i, subStr);
}
} else // if fileseparator is true...
{
singleRecord = new Vector();
StringTokenizer st = new StringTokenizer(batchedRecords, fileSeparator);
while (st.hasMoreTokens()) {
subStr = st.nextToken();
if (subStr.length() != splitLength) {
throw new MessageException(
"ERROR: Splitter: Record "
+ "received after removing the fileseparator is not of correct length .");
}
singleRecord.add(subStr);
if (Debug.isLevelEnabled(Debug.UNIT_TEST))
Debug.log(
Debug.UNIT_TEST,
"\nDATA\n" + "********************************************" + subStr);
}
}
if (getBoolean(truncHeaderFooter)) // if truncHeaderFooter is true...
{
singleRecord.remove((singleRecord.size() - 1));
singleRecord.remove(0);
}
// else continue...
int batchedSize = singleRecord.size();
if (Debug.isLevelEnabled(Debug.UNIT_TEST))
Debug.log(Debug.UNIT_TEST, "BATCHED SIZE--->" + batchedSize);
int processorsNo = toProcessorNames.length;
NVPair[] contents = new NVPair[batchedSize * processorsNo];
int i = 0;
for (i = 0; i < batchedSize; i++) {
MessageObject mObj = new MessageObject();
mObj.set(singleRecord.get(i));
// Sending the message objects to the next processors.
for (int j = 0; j < processorsNo; j++) {
contents[(i * (processorsNo)) + j] = new NVPair(toProcessorNames[j], mObj);
if (Debug.isLevelEnabled(Debug.UNIT_TEST))
Debug.log(
Debug.UNIT_TEST,
"NEXT PROCESSOR-->"
+ toProcessorNames[j]
+ "\n"
+ "MESSAGE OBJECT CONTENT------------>"
+ mObj.describe());
}
}
if (Debug.isLevelEnabled(Debug.UNIT_TEST))
Debug.log(Debug.UNIT_TEST, "SPLITTER : CONTEXT---->" + context.describe());
return contents;
}
