private String getOutputFilename(String filename, int i) {
String basicFilename = JwUtility.getFileName(filename);
String outPath = JwUtility.removeSuffix(filename, basicFilename);
String outExtension = JwUtility.getExtension(basicFilename);
String outFilename;
if (outExtension != null) {
outExtension = "." + outExtension;
outFilename = JwUtility.removeSuffix(basicFilename, outExtension);
} else outFilename = basicFilename;
outFilename = outFilename + "-split-" + JwUtility.leftPad("" + i, 5, '0');
if (outExtension != null) outFilename = outFilename + outExtension;
return outPath + outFilename;
}
