File aCaptionFilesDir = new File(aDirToZipStr + File.separator + "caption");
File aContentFilesDir = new File(aDirToZipStr + File.separator + "content");
try {
Date start = new Date();
Analyzer analyzer = aLanguageStr.equals("ja") ? (Analyzer)new CJKAnalyzer() : (Analyzer)new StandardAnalyzer();
IndexWriter writer = new IndexWriter(aIndexDir, analyzer, true);
System.out.println("Lucene: Indexing to directory '" + aIndexDir + "'...");
int nRet = indexDocs(writer, aModule, aCaptionFilesDir, aContentFilesDir);
if (nRet != -1) {
System.out.println();