// Set up an index that excludes certain file formats
IndexSettings settings = new IndexSettings();
DocumentFilter fileExtensionFilter =
DocumentFilter.createFileExtension(".odp", ".png", ".rtf");
DocumentFilter invertedFilter = DocumentFilter.createNot(fileExtensionFilter);
settings.setDocumentFilter(invertedFilter);
Index index = new Index("c:/MyIndex", settings);
// Specify the document storage path
index.add("c:/MyDocuments");
// Retrieve search results
SearchResult result = index.search("Lorem", options);
// Process and use search results
System.out.println("Documents: " + result.getDocumentCount());
System.out.println("Occurrences: " + result.getDocumentCount());