/**
 * 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.

            fail("Expected exception for invalid PowerPoint document");
        } catch (final ExtractException e) {
            // ExtractException with improved message
            assertTrue("Error message should contain context about PowerPoint document or extraction",
                    e.getMessage().contains("PowerPoint") || e.getMessage().contains("extract"));
        } catch (final RuntimeException e) {

						<option value="excel" <c:if test="${as.filetype.contains('excel')}">selected</c:if>><la:message
								key="labels.advance_search_filetype_excel"
							/></option>
						<option value="powerpoint" <c:if test="${as.filetype.contains('powerpoint')}">selected</c:if>><la:message
								key="labels.advance_search_filetype_powerpoint"
							/></option>
					</select>
				</div>
			</div>
			<div class="mb-3 row">

			<arg>"mimetype"</arg>
			<arg>"application/vnd.ms-excel.workspace.4"</arg>
		</postConstruct>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>
			<arg>"application/vnd.ms-powerpoint"
			</arg>
		</postConstruct>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>
			<arg>"application/rtf"</arg>
		</postConstruct>
		<postConstruct name="register"></postConstruct>
	</component>

        assertEquals("1", extractData.getValues("meta:word-count")[0]);
        assertEquals("たぐ|さぶたいとる", String.join("|", extractData.getValues("dc:subject")));
        assertEquals("Microsoft PowerPoint", extractData.getValues("extended-properties:Application")[0]);
        assertEquals("sugaya", extractData.getValues("meta:last-author")[0]);
        assertEquals("太郎", extractData.getValues("dc:creator")[0]);

labels.facet_contentLength_5m=5MB -  
labels.facet_filetype_title=File Type
labels.facet_filetype_html=HTML
labels.facet_filetype_word=MS Word
labels.facet_filetype_excel=MS Excel
labels.facet_filetype_powerpoint=MS PowerPoint
labels.facet_filetype_odt=ODF Word
labels.facet_filetype_ods=ODF Spreadsheet
labels.facet_filetype_odp=ODF Presentation
labels.facet_filetype_pdf=PDF
labels.facet_filetype_fb2=FictionBook

application/lotus-123          wks              # Lotus 123
application/mac-binhex40       hqx              # Macintosh binhexed archives
application/mspowerpoint       ppt              # Microsoft Powerpoint
application/msword             doc              # Microsoft Word
application/octet-stream       bin exe ani      # Binary File
application/oda                oda
application/pagemaker          pm5 pt5 pm       # PageMaker

				"application/vnd.ms-playready.initiator+xml",
				"application/vnd.ms-powerpoint",
				"application/vnd.ms-powerpoint.addin.macroenabled.12",
				"application/vnd.ms-powerpoint.presentation.macroenabled.12",
				"application/vnd.ms-powerpoint.slide.macroenabled.12",
				"application/vnd.ms-powerpoint.slideshow.macroenabled.12",
				"application/vnd.ms-powerpoint.template.macroenabled.12",
				"application/vnd.ms-project",

labels.facet_contentLength_5m=5MB -  
labels.facet_filetype_title=檔案類型
labels.facet_filetype_html=HTML
labels.facet_filetype_word=MS Word
labels.facet_filetype_excel=MS Excel
labels.facet_filetype_powerpoint=MS PowerPoint
labels.facet_filetype_odt=ODF Word
labels.facet_filetype_ods=ODF Spreadsheet
labels.facet_filetype_odp=ODF Presentation
labels.facet_filetype_pdf=PDF
labels.facet_filetype_fb2=FictionBook

   * href="https://learn.microsoft.com/en-us/archive/blogs/vsofficedeveloper/office-2007-file-format-mime-types-for-http-content-streaming-2">Microsoft
   * Powerpoint</a> presentations.
   */
  public static final MediaType MICROSOFT_POWERPOINT =
      createConstant(APPLICATION_TYPE, "vnd.ms-powerpoint");

  /**
   * <a