public void extractToFiles(
File outDir, ExtractionObserver obs, boolean allowCancel, boolean convertData)
throws IOException {
cancelSignalled = false;
if (outDir.exists() && !outDir.isDirectory()) {
throw new IllegalArgumentException(outDir.getAbsolutePath() + " is not a directory");
}
LodEntry currentEntry;
if (!outDir.exists()) {
outDir.mkdirs();
obs.directoryCreated(outDir);
}
while (entriesToExtractIterator.hasNext() && !(allowCancel && cancelSignalled)) {
currentEntry = (LodEntry) entriesToExtractIterator.next();
String filename = currentEntry.getFileName();
FormatConverter converter = null;
if (convertData) converter = currentEntry.getFormatConverter();
else {
converter = new NullFormatConverter();
filename = filename + ".raw";
}
String identifier = currentEntry.getName();
if (converter.requiresMultipleStreams()) {
// IMPLEMENT: replace basefilename
String baseFilename = filename;
String[] filenames = converter.getSuggestedFilenames(baseFilename);
OutputStream[] outputStreamArray = new OutputStream[filenames.length];
for (int i = 0; i < outputStreamArray.length; ++i) {
outputStreamArray[i] =
new BufferedOutputStream(new FileOutputStream(new File(outDir, filenames[i])));
}
converter.setDestinationOutputStreamsForNewFormat(outputStreamArray, currentEntry);
} else {
converter.setDestinationOutputStreamForNewFormat(
new BufferedOutputStream(new FileOutputStream(new File(outDir, filename))),
currentEntry);
}
Extractor extractor = new Extractor();
extractor.convert(
identifier,
currentEntry.getData(),
converter.getSourceOutputStreamForOldFormat(),
(null != obs) ? new EntryObserver(obs, total) : null,
allowCancel);
if (null != obs) {
obs.extractionProgress(identifier, counter++ / total);
}
}
if (obs != null) {
obs.extractionFinished("Done");
}
}
public boolean cancelJob() {
cancelSignalled = true;
return extractor.cancelExtraction();
}