if (mimetype.indexOf('excel') !== -1 || mimetype.indexOf('spreadsheet') !== -1) return 'fa-file-excel-o';
            if (mimetype.indexOf('powerpoint') !== -1 || mimetype.indexOf('presentation') !== -1) return 'fa-file-powerpoint-o';
            if (mimetype.indexOf('image') !== -1) return 'fa-file-image-o';
            if (mimetype.indexOf('text') !== -1) return 'fa-file-text-o';
        }

						<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">

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

			<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>

						<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">

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

### Protocols

HTTP/HTTPS, File, FTP/FTPS, SMB/CIFS (SMB1/SMB2+), Storage (MinIO via `storage://`), S3 (`s3://`), GCS (`gcs://`)

### Content Formats

Office (Word, Excel, PowerPoint), PDF, Archives (ZIP, TAR, GZ, LHA), HTML, XML, JSON, Markdown, Media metadata, Images (EXIF/IPTC/XMP), Email (EML)

---

## Architecture

### Module Structure

```
fess-crawler-parent/

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/vnd.ms-excel.workspace.3=excel\n\
application/vnd.ms-excel.workspace.4=excel\n\
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet=excel\n\
application/vnd.ms-powerpoint=powerpoint\n\
application/vnd.openxmlformats-officedocument.presentationml.presentation=powerpoint\n\
application/vnd.oasis.opendocument.text=odt\n\
application/vnd.oasis.opendocument.spreadsheet=ods\n\
application/vnd.oasis.opendocument.presentation=odp\n\

- **SMB/CIFS**: Windows network shares
- **Storage**: Cloud storage systems (MinIO, S3-compatible)

### Content Formats

#### Office Documents
- Microsoft Office (Word, Excel, PowerPoint)
- OpenOffice/LibreOffice documents
- RTF, WordPerfect

#### PDFs and Images
- PDF documents (text and metadata extraction)
- Images (JPEG, PNG, GIF, TIFF, BMP)
- Image metadata (EXIF, IPTC, XMP)