/**
* We don't currently support the .xlsb file format (an OOXML container with binary blobs), but we
* shouldn't break on these files either (TIKA-826)
*/
@Test
public void testExcelXLSB() throws Exception {
Detector detector = new DefaultDetector();
AutoDetectParser parser = new AutoDetectParser();
Metadata m = new Metadata();
m.add(Metadata.RESOURCE_NAME_KEY, "excel.xlsb");
// Should be detected correctly
MediaType type;
try (InputStream input =
ExcelParserTest.class.getResourceAsStream("/test-documents/testEXCEL.xlsb")) {
type = detector.detect(input, m);
assertEquals("application/vnd.ms-excel.sheet.binary.macroenabled.12", type.toString());
}
// OfficeParser won't handle it
assertEquals(false, (new OfficeParser()).getSupportedTypes(new ParseContext()).contains(type));
// OOXMLParser won't handle it
assertEquals(false, (new OOXMLParser()).getSupportedTypes(new ParseContext()).contains(type));
// AutoDetectParser doesn't break on it
try (InputStream input =
ExcelParserTest.class.getResourceAsStream("/test-documents/testEXCEL.xlsb")) {
ContentHandler handler = new BodyContentHandler(-1);
ParseContext context = new ParseContext();
context.set(Locale.class, Locale.US);
parser.parse(input, handler, m, context);
String content = handler.toString();
assertEquals("", content);
}
}
private void parseImage(Image image, File file) throws Exception {
try {
// Detects the file type
BodyContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
FileInputStream inputStream = new FileInputStream(file);
ParseContext parseContext = new ParseContext();
// Parser
AutoDetectParser parser = new AutoDetectParser();
parser.parse(inputStream, handler, metadata, parseContext);
// Image field setting
String date;
if (metadata.getDate(metadata.ORIGINAL_DATE) != null) {
date = metadata.getDate(metadata.ORIGINAL_DATE).toString();
} else if (metadata.getDate(TikaCoreProperties.CREATED) != null) {
date = metadata.getDate(TikaCoreProperties.CREATED).toString();
} else if (metadata.getDate(DublinCore.CREATED) != null) {
date = metadata.getDate(DublinCore.CREATED).toString();
} else if (metadata.getDate(TikaCoreProperties.METADATA_DATE) != null) {
date = metadata.getDate(TikaCoreProperties.METADATA_DATE).toString();
} else if (metadata.getDate(DublinCore.MODIFIED) != null) {
date = metadata.getDate(DublinCore.MODIFIED).toString();
} else {
// Current date+time
metadata.set(Metadata.DATE, new Date());
date = metadata.get(Metadata.DATE);
}
image.setLongitude(metadata.get(Geographic.LONGITUDE));
image.setLatitude(metadata.get(Geographic.LATITUDE));
ImageOperations.setMetadataParsingFinished();
if (date != null) {
image.setDate(date.toString());
} else {
image.setDate(null);
}
image.setLongitude(image.getLongitude());
image.setLatitude(image.getLatitude());
aPII.reverseGeocode(image);
ImageOperations.setReverseGeocodeFinished();
ImageOperations iO = new ImageOperations();
iO.doOCR(image, file);
ImageOperations.setOcrFinished();
} catch (IOException e) {
System.out.println(e.getMessage());
} catch (TikaException te) {
System.out.println(te.getMessage());
} catch (SAXException se) {
System.out.println(se.getMessage());
} catch (InterruptedException ie) {
System.out.println(ie.getMessage());
} catch (IM4JavaException je) {
je.printStackTrace();
}
}
/**
* Fetch metadata from stream with already detected metadata
*
* @param type Mime type of data
* @param is Data imput stream
* @return
*/
public static Metadata detect(final MediaType type, InputStream is) {
AutoDetectParser parser = new AutoDetectParser((input, metadata) -> type);
Metadata metadata = new Metadata();
try {
parser.parse(is, new DefaultHandler(), metadata);
} catch (Exception e) {
throw new RuntimeException(e);
}
return metadata;
}
private JSONObject extractTika(String contents) {
JSONObject jObj = (JSONObject) JSONSerializer.toJSON(contents);
if (jObj.containsKey("_source")) {
JSONObject jObjSource = jObj.getJSONObject("_source");
if (jObjSource.containsKey("raw_content")) {
String rawHtml = jObjSource.getString("raw_content");
ByteArrayInputStream bIs = new ByteArrayInputStream(rawHtml.getBytes());
Metadata metadata = new Metadata();
AutoDetectParser adp = new AutoDetectParser();
ContentHandler handler = new BodyContentHandler(10 * 1024 * 1024);
try {
adp.parse(bIs, handler, metadata);
String[] metadataNames = metadata.names();
JSONObject jObjMetadata = new JSONObject();
for (String metadataName : metadataNames) {
String[] values = metadata.getValues(metadataName);
JSONArray jArray = new JSONArray();
for (String mValue : values) {
jArray.add(mValue);
}
jObjMetadata.accumulate(metadataName, jArray);
}
// remove empty lines from the text
String rawTextAdjusted = handler.toString().replaceAll("(?m)^[ \t]*\r?\n", "");
// detect language
LanguageIdentifier li = new LanguageIdentifier(rawTextAdjusted);
jObjSource.accumulate("tikametadata", jObjMetadata);
jObjSource.accumulate("raw_text", rawTextAdjusted);
jObjSource.accumulate("rawtextdetectedlanguage", li.getLanguage());
} catch (Exception e) {
LOG.error("Error:", e);
;
}
}
}
return jObj;
}
/** do NOT make public */
final class TikaImpl {
/** subset of parsers for types we support */
private static final Parser PARSERS[] =
new Parser[] {
// documents
new org.apache.tika.parser.html.HtmlParser(),
new org.apache.tika.parser.rtf.RTFParser(),
new org.apache.tika.parser.pdf.PDFParser(),
new org.apache.tika.parser.txt.TXTParser(),
new org.apache.tika.parser.microsoft.OfficeParser(),
new org.apache.tika.parser.microsoft.OldExcelParser(),
new org.apache.tika.parser.microsoft.ooxml.OOXMLParser(),
new org.apache.tika.parser.odf.OpenDocumentParser(),
new org.apache.tika.parser.iwork.IWorkPackageParser(),
new org.apache.tika.parser.xml.DcXMLParser(),
};
/** autodetector based on this subset */
private static final AutoDetectParser PARSER_INSTANCE = new AutoDetectParser(PARSERS);
/** singleton tika instance */
private static final Tika TIKA_INSTANCE =
new Tika(PARSER_INSTANCE.getDetector(), PARSER_INSTANCE);
/** parses with tika, throwing any exception hit while parsing the document */
// only package private for testing!
static String parse(final byte content[], final Metadata metadata, final int limit)
throws TikaException, IOException {
// check that its not unprivileged code like a script
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(new SpecialPermission());
}
try {
return AccessController.doPrivileged(
new PrivilegedExceptionAction<String>() {
@Override
public String run() throws TikaException, IOException {
return TIKA_INSTANCE.parseToString(StreamInput.wrap(content), metadata, limit);
}
});
} catch (PrivilegedActionException e) {
// checked exception from tika: unbox it
Throwable cause = e.getCause();
if (cause instanceof TikaException) {
throw (TikaException) cause;
} else if (cause instanceof IOException) {
throw (IOException) cause;
} else {
throw new AssertionError(cause);
}
}
}
}
/*
* (non-Javadoc)
* @see org.alfresco.repo.rendition.executer.AbstractRenderingEngine#render(org.alfresco.repo.rendition.executer.AbstractRenderingEngine.RenderingContext)
*/
@Override
protected void render(RenderingContext context) {
ContentReader contentReader = context.makeContentReader();
String sourceMimeType = contentReader.getMimetype();
// Check that Tika supports the supplied file
AutoDetectParser p = new AutoDetectParser(tikaConfig);
MediaType sourceMediaType = MediaType.parse(sourceMimeType);
if (!p.getParsers().containsKey(sourceMediaType)) {
throw new RenditionServiceException(
"Source mime type of "
+ sourceMimeType
+ " is not supported by Tika for HTML conversions");
}
// Make the HTML Version using Tika
// This will also extract out any images as found
generateHTML(p, context);
}
/** Prints all the known media types, aliases and matching parser classes. */
private void displaySupportedTypes() {
AutoDetectParser parser = new AutoDetectParser();
MediaTypeRegistry registry = parser.getMediaTypeRegistry();
Map<MediaType, Parser> parsers = parser.getParsers();
for (MediaType type : registry.getTypes()) {
System.out.println(type);
for (MediaType alias : registry.getAliases(type)) {
System.out.println(" alias: " + alias);
}
MediaType supertype = registry.getSupertype(type);
if (supertype != null) {
System.out.println(" supertype: " + supertype);
}
Parser p = parsers.get(type);
if (p != null) {
System.out.println(" parser: " + p.getClass().getName());
}
}
}
/** Excel 5 and 95 are older formats, and only get basic support */
@Test
public void testExcel95() throws Exception {
Detector detector = new DefaultDetector();
AutoDetectParser parser = new AutoDetectParser();
MediaType type;
Metadata m;
// First try detection of Excel 5
m = new Metadata();
m.add(Metadata.RESOURCE_NAME_KEY, "excel_5.xls");
try (InputStream input =
ExcelParserTest.class.getResourceAsStream("/test-documents/testEXCEL_5.xls")) {
type = detector.detect(input, m);
assertEquals("application/vnd.ms-excel", type.toString());
}
// Now Excel 95
m = new Metadata();
m.add(Metadata.RESOURCE_NAME_KEY, "excel_95.xls");
try (InputStream input =
ExcelParserTest.class.getResourceAsStream("/test-documents/testEXCEL_95.xls")) {
type = detector.detect(input, m);
assertEquals("application/vnd.ms-excel", type.toString());
}
// OfficeParser can handle it
assertEquals(true, (new OfficeParser()).getSupportedTypes(new ParseContext()).contains(type));
// OOXMLParser won't handle it
assertEquals(false, (new OOXMLParser()).getSupportedTypes(new ParseContext()).contains(type));
// Parse the Excel 5 file
m = new Metadata();
try (InputStream input =
ExcelParserTest.class.getResourceAsStream("/test-documents/testEXCEL_5.xls")) {
ContentHandler handler = new BodyContentHandler(-1);
ParseContext context = new ParseContext();
context.set(Locale.class, Locale.US);
parser.parse(input, handler, m, context);
String content = handler.toString();
// Sheet names
assertContains("Feuil1", content);
assertContains("Feuil3", content);
// Text
assertContains("Sample Excel", content);
assertContains("Number", content);
// Numbers
assertContains("15", content);
assertContains("225", content);
// Metadata was also fetched
assertEquals("Simple Excel document", m.get(TikaCoreProperties.TITLE));
assertEquals("Keith Bennett", m.get(TikaCoreProperties.CREATOR));
}
// Parse the Excel 95 file
m = new Metadata();
try (InputStream input =
ExcelParserTest.class.getResourceAsStream("/test-documents/testEXCEL_95.xls")) {
ContentHandler handler = new BodyContentHandler(-1);
ParseContext context = new ParseContext();
context.set(Locale.class, Locale.US);
parser.parse(input, handler, m, context);
String content = handler.toString();
// Sheet name
assertContains("Foglio1", content);
// Very boring file, no actual text or numbers!
// Metadata was also fetched
assertEquals(null, m.get(TikaCoreProperties.TITLE));
assertEquals("Marco Quaranta", m.get(Office.LAST_AUTHOR));
}
}
@Override
public Metacard transform(InputStream input, String uri)
throws IOException, CatalogTransformerException {
if (input == null) {
throw new CatalogTransformerException("Cannot transform null input.");
}
MetacardImpl metacard = new MetacardImpl(BasicTypes.BASIC_METACARD);
Metadata metadata = new Metadata();
ContentHandler handler = new BodyContentHandler();
AutoDetectParser parser = new AutoDetectParser();
try {
parser.parse(input, handler, metadata);
String title = metadata.get(TikaCoreProperties.TITLE);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Title: " + title);
LOGGER.debug("Creator: " + metadata.get(TikaCoreProperties.CREATOR));
LOGGER.debug("Author: " + metadata.get(Metadata.AUTHOR));
LOGGER.debug("Creation Date: " + metadata.get(TikaCoreProperties.CREATED));
LOGGER.debug("Modified Date: " + metadata.get(TikaCoreProperties.MODIFIED));
LOGGER.debug("Content Type: " + metadata.get(Metadata.CONTENT_TYPE));
// LOGGER.debug("content: " + handler.toString());
// int count = 1;
// for (String stringMetadata : metadata.names())
// {
// LOGGER.debug("Metadata " + count + " ----> name : "
// + stringMetadata + " value : " + metadata.get(stringMetadata));
// count++;
// }
}
// mc.setMetadata(convertNodeToString(getDocument(jaxbDoc)));
if (StringUtils.isEmpty(title)) {
title = "<No title provided>";
}
metacard.setTitle(title);
Date date =
javax.xml.bind.DatatypeConverter.parseDateTime(metadata.get(TikaCoreProperties.CREATED))
.getTime();
metacard.setCreatedDate(date);
date =
javax.xml.bind.DatatypeConverter.parseDateTime(metadata.get(TikaCoreProperties.MODIFIED))
.getTime();
metacard.setModifiedDate(date);
// metacard.setExpirationDate(getExpirationDate(resource));
// metacard.setEffectiveDate(getEffectiveDate(resource));
// metacard.setLocation(getLocation(resource));
// metacard.setSourceId(getSourceId());
// metacard.setResourceSize(getResourceSize(resource));
if (uri != null) {
metacard.setResourceURI(URI.create(uri));
} else {
metacard.setResourceURI(null);
}
} catch (SAXException e) {
LOGGER.warn(e);
throw new CatalogTransformerException(e);
} catch (TikaException e) {
LOGGER.warn(e);
throw new CatalogTransformerException(e);
}
return metacard;
}