protected void importDataArchive(
Resource archive, InputStream resourceStream, BatchImportOptions options) {
BufferedInputStream bufferedResourceStream = null;
try {
// Make sure the stream is buffered
if (resourceStream instanceof BufferedInputStream) {
bufferedResourceStream = (BufferedInputStream) resourceStream;
} else {
bufferedResourceStream = new BufferedInputStream(resourceStream);
}
// Buffer up to 100MB, bad things will happen if we bust this buffer.
// TODO see if there is a buffered stream that will write to a file once the buffer fills up
bufferedResourceStream.mark(100 * 1024 * 1024);
final MediaType type = getMediaType(bufferedResourceStream, archive.getFilename());
if (MT_JAVA_ARCHIVE.equals(type)) {
final ArchiveInputStream archiveStream = new JarArchiveInputStream(bufferedResourceStream);
importDataArchive(archive, archiveStream, options);
} else if (MediaType.APPLICATION_ZIP.equals(type)) {
final ArchiveInputStream archiveStream = new ZipArchiveInputStream(bufferedResourceStream);
importDataArchive(archive, archiveStream, options);
} else if (MT_CPIO.equals(type)) {
final ArchiveInputStream archiveStream = new CpioArchiveInputStream(bufferedResourceStream);
importDataArchive(archive, archiveStream, options);
} else if (MT_AR.equals(type)) {
final ArchiveInputStream archiveStream = new ArArchiveInputStream(bufferedResourceStream);
importDataArchive(archive, archiveStream, options);
} else if (MT_TAR.equals(type)) {
final ArchiveInputStream archiveStream = new TarArchiveInputStream(bufferedResourceStream);
importDataArchive(archive, archiveStream, options);
} else if (MT_BZIP2.equals(type)) {
final CompressorInputStream compressedStream =
new BZip2CompressorInputStream(bufferedResourceStream);
importDataArchive(archive, compressedStream, options);
} else if (MT_GZIP.equals(type)) {
final CompressorInputStream compressedStream =
new GzipCompressorInputStream(bufferedResourceStream);
importDataArchive(archive, compressedStream, options);
} else if (MT_PACK200.equals(type)) {
final CompressorInputStream compressedStream =
new Pack200CompressorInputStream(bufferedResourceStream);
importDataArchive(archive, compressedStream, options);
} else if (MT_XZ.equals(type)) {
final CompressorInputStream compressedStream =
new XZCompressorInputStream(bufferedResourceStream);
importDataArchive(archive, compressedStream, options);
} else {
throw new RuntimeException("Unrecognized archive media type: " + type);
}
} catch (IOException e) {
throw new RuntimeException("Could not load InputStream for resource: " + archive, e);
} finally {
IOUtils.closeQuietly(bufferedResourceStream);
}
}
/** @return SiteMap/SiteMapIndex given a content type, byte content and the URL of a sitemap */
public AbstractSiteMap parseSiteMap(String contentType, byte[] content, URL url)
throws UnknownFormatException, IOException {
MediaType mediaType = MediaType.parse(contentType);
// Octet-stream is the father of all binary types
while (mediaType != null && !mediaType.equals(MediaType.OCTET_STREAM)) {
if (XML_MEDIA_TYPES.contains(mediaType)) {
return processXml(url, content);
} else if (TEXT_MEDIA_TYPES.contains(mediaType)) {
return (AbstractSiteMap) processText(url.toString(), content);
} else if (GZ_MEDIA_TYPES.contains(mediaType)) {
return processGzip(url, content);
} else {
mediaType = MEDIA_TYPE_REGISTRY.getSupertype(mediaType); // Check
// parent
return parseSiteMap(mediaType.toString(), content, url);
}
}
throw new UnknownFormatException(
"Can't parse a sitemap with the MediaType of: " + contentType + " (at: " + url + ")");
}
/**
* Internal detection of the specific kind of OLE2 document, based on the names of the top-level
* streams within the file. In some cases the detection may need access to the root {@link
* DirectoryEntry} of that file for best results. The entry can be given as a second, optional
* argument.
*
* @param names
* @param root
* @return
*/
protected static MediaType detect(Set<String> names, DirectoryEntry root) {
if (names != null) {
if (names.contains("SwDocContentMgr") && names.contains("SwDocMgrTempStorage")) {
return SLDWORKS;
} else if (names.contains("StarCalcDocument")) {
// Star Office Calc
return SDC;
} else if (names.contains("StarWriterDocument")) {
return SDW;
} else if (names.contains("StarDrawDocument3")) {
if (root == null) {
/*
* This is either StarOfficeDraw or StarOfficeImpress, we have
* to consult the CompObj to distinguish them, if this method is
* called in "legacy mode", without the root, just return
* x-tika-msoffice. The one-argument method is only for backward
* compatibility, if someone calls old API he/she can get the
* old result.
*/
return OLE;
} else {
return processCompObjFormatType(root);
}
} else if (names.contains("\u0005HwpSummaryInformation")) {
// Hangul Word Processor v5+ (previous aren't OLE2-based)
return HWP;
} else if (names.contains("WksSSWorkBook")) {
// This check has to be before names.contains("Workbook")
// Works 7.0 spreadsheet files contain both
// we want to avoid classifying this as Excel
return XLR;
} else if (names.contains("Workbook") || names.contains("WORKBOOK")) {
MediaType tmp = processCompObjFormatType(root);
if (tmp.equals(MS_GRAPH_CHART)) {
return MS_GRAPH_CHART;
}
return XLS;
} else if (names.contains("Book")) {
// Excel 95 or older, we won't be able to parse this....
return XLS;
} else if (names.contains("EncryptedPackage")
&& names.contains("EncryptionInfo")
&& names.contains("\u0006DataSpaces")) {
// This is a protected OOXML document, which is an OLE2 file
// with an Encrypted Stream which holds the OOXML data
// Without decrypting the stream, we can't tell what kind of
// OOXML file we have. Return a general OOXML Protected type,
// and hope the name based detection can guess the rest!
return OOXML_PROTECTED;
} else if (names.contains("EncryptedPackage")) {
return OLE;
} else if (names.contains("WordDocument")) {
return DOC;
} else if (names.contains("Quill")) {
return PUB;
} else if (names.contains("PowerPoint Document")) {
return PPT;
} else if (names.contains("VisioDocument")) {
return VSD;
} else if (names.contains("\u0001Ole10Native")) {
return OLE10_NATIVE;
} else if (names.contains("MatOST")) {
// this occurs on older Works Word Processor files (versions 3.0 and 4.0)
return WPS;
} else if (names.contains("CONTENTS") && names.contains("SPELLING")) {
// Newer Works files
return WPS;
} else if (names.contains("Contents") && names.contains("\u0003ObjInfo")) {
return COMP_OBJ;
} else if (names.contains("CONTENTS") && names.contains("\u0001CompObj")) {
// CompObj is a general kind of OLE2 embedding, but this may be an old Works file
// If we have the Directory, check
if (root != null) {
MediaType type = processCompObjFormatType(root);
if (type == WPS) {
return WPS;
} else {
// Assume it's a general CompObj embedded resource
return COMP_OBJ;
}
} else {
// Assume it's a general CompObj embedded resource
return COMP_OBJ;
}
} else if (names.contains("CONTENTS")) {
// CONTENTS without SPELLING nor CompObj normally means some sort
// of embedded non-office file inside an OLE2 document
// This is most commonly triggered on nested directories
return OLE;
} else if (names.contains("\u0001CompObj")
&& (names.contains("Props") || names.contains("Props9") || names.contains("Props12"))) {
// Could be Project, look for common name patterns
for (String name : names) {
if (mppDataMatch.matcher(name).matches()) {
return MPP;
}
}
} else if (names.contains("PerfectOffice_MAIN")) {
if (names.contains("SlideShow")) {
return MediaType.application("x-corelpresentations"); // .shw
} else if (names.contains("PerfectOffice_OBJECTS")) {
return new MediaType(QUATTROPRO, "version", "7-8"); // .wb?
}
} else if (names.contains("NativeContent_MAIN")) {
return new MediaType(QUATTROPRO, "version", "9"); // .qpw
} else {
for (String name : names) {
if (name.startsWith("__substg1.0_")) {
return MSG;
}
}
}
}
// Couldn't detect a more specific type
return OLE;
}