import org.codelibs.fess.crawler.exception.ExtractException;

/**
 * Extracts text content from Microsoft PowerPoint documents.
 */
public class MsPowerPointExtractor extends AbstractExtractor {

    /**
     * Creates a new MsPowerPointExtractor instance.
     */
    public MsPowerPointExtractor() {
        super();
    }

    /**
     * Extracts text from the PowerPoint input stream.
     * @param in The input stream.

        }
    }

    /**
     * Test that MsPowerPointExtractor properly closes resources on successful extraction.
     */
    public void test_MsPowerPointExtractor_closesResourcesOnSuccess() throws IOException {
        final MsPowerPointExtractor extractor = container.getComponent("msPowerPointExtractor");
        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