}
    }

    /**
     * Test that MsExcelExtractor properly closes resources on successful extraction.
     */
    public void test_MsExcelExtractor_closesResourcesOnSuccess() throws IOException {
        final MsExcelExtractor extractor = container.getComponent("msExcelExtractor");
        final AtomicBoolean streamClosed = new AtomicBoolean(false);

**Extractor**: Weight-based selection (tries in descending weight order)

### Key Extractors

`TikaExtractor` (1000+ formats), `PdfExtractor`, `MsWordExtractor`, `MsExcelExtractor`, `MsPowerPointExtractor`, `ZipExtractor`, `HtmlExtractor`, etc.

**Registration**:
```java
extractorFactory.addExtractor("text/html", htmlExtractor, 2);  // Weight 2