/**
* This method should only be used when you have a filename in the input stream.
*
* @param filename the filename to set the data.writer field for
* @throws KettleException
*/
private void setDataWriterForFilename(String filename) throws KettleException {
// First handle the writers themselves.
// If we didn't have a writer yet, we create one.
// Basically we open a new file
//
data.writer = data.fileWriterMap.get(filename);
if (data.writer == null) {
openNewFile(filename);
data.fileWriterMap.put(filename, data.writer);
// If it's the first time we open it and we have a header, we write a header...
//
if (!meta.isFileAppended() && meta.isHeaderEnabled()) {
if (writeHeader()) {
incrementLinesOutput();
}
}
}
}
public synchronized boolean processRow(StepMetaInterface smi, StepDataInterface sdi)
throws KettleException {
meta = (TextFileOutputMeta) smi;
data = (TextFileOutputData) sdi;
boolean result = true;
boolean bEndedLineWrote = false;
Object[] r = getRow(); // This also waits for a row to be finished.
if (r != null && first) {
first = false;
data.outputRowMeta = getInputRowMeta().clone();
meta.getFields(data.outputRowMeta, getStepname(), null, null, this);
// if file name in field is enabled then set field name and open file
//
if (meta.isFileNameInField()) {
// find and set index of file name field in input stream
//
data.fileNameFieldIndex = getInputRowMeta().indexOfValue(meta.getFileNameField());
// set the file name for this row
//
if (data.fileNameFieldIndex < 0) {
throw new KettleStepException(
Messages.getString(
"TextFileOutput.Exception.FileNameFieldNotFound",
meta.getFileNameField())); // $NON-NLS-1$
}
data.fileNameMeta = getInputRowMeta().getValueMeta(data.fileNameFieldIndex);
data.fileName = data.fileNameMeta.getString(r[data.fileNameFieldIndex]);
setDataWriterForFilename(data.fileName);
} else if (meta.isDoNotOpenNewFileInit() && !meta.isFileNameInField()) {
// Open a new file here
//
openNewFile(meta.getFileName());
data.oneFileOpened = true;
initBinaryDataFields();
}
if (!meta.isFileAppended()
&& (meta.isHeaderEnabled()
|| meta.isFooterEnabled())) // See if we have to write a header-line)
{
if (!meta.isFileNameInField() && meta.isHeaderEnabled() && data.outputRowMeta != null) {
writeHeader();
}
}
data.fieldnrs = new int[meta.getOutputFields().length];
for (int i = 0; i < meta.getOutputFields().length; i++) {
data.fieldnrs[i] = data.outputRowMeta.indexOfValue(meta.getOutputFields()[i].getName());
if (data.fieldnrs[i] < 0) {
throw new KettleStepException(
"Field ["
+ meta.getOutputFields()[i].getName()
+ "] couldn't be found in the input stream!");
}
}
}
if ((r == null && data.outputRowMeta != null && meta.isFooterEnabled())
|| (r != null
&& getLinesOutput() > 0
&& meta.getSplitEvery() > 0
&& ((getLinesOutput() + 1) % meta.getSplitEvery()) == 0)) {
if (data.outputRowMeta != null) {
if (meta.isFooterEnabled()) {
writeHeader();
}
}
if (r == null) {
// add tag to last line if needed
writeEndedLine();
bEndedLineWrote = true;
}
// Done with this part or with everything.
closeFile();
// Not finished: open another file...
if (r != null) {
openNewFile(meta.getFileName());
if (meta.isHeaderEnabled() && data.outputRowMeta != null)
if (writeHeader()) incrementLinesOutput();
}
}
if (r == null) // no more input to be expected...
{
if (false == bEndedLineWrote) {
// add tag to last line if needed
writeEndedLine();
bEndedLineWrote = true;
}
setOutputDone();
return false;
}
// First handle the file name in field
// Write a header line as well if needed
//
if (meta.isFileNameInField()) {
String baseFilename = data.fileNameMeta.getString(r[data.fileNameFieldIndex]);
setDataWriterForFilename(baseFilename);
}
writeRowToFile(data.outputRowMeta, r);
putRow(data.outputRowMeta, r); // in case we want it to go further...
if (checkFeedback(getLinesOutput())) logBasic("linenr " + getLinesOutput());
return result;
}