use of org.apache.commons.compress.archivers.ArchiveException in project tika by apache.
the class PackageParser method parse.
public void parse(InputStream stream, ContentHandler handler, Metadata metadata, ParseContext context) throws IOException, SAXException, TikaException {
//lazily load the MediaTypeRegistry at parse time
//only want to call getDefaultConfig() once, and can't
//load statically because of the ForkParser
TikaConfig config = context.get(TikaConfig.class);
MediaTypeRegistry mediaTypeRegistry = null;
if (config != null) {
mediaTypeRegistry = config.getMediaTypeRegistry();
} else {
if (bufferedMediaTypeRegistry == null) {
//buffer this for next time.
synchronized (lock) {
//now that we're locked, check again
if (bufferedMediaTypeRegistry == null) {
bufferedMediaTypeRegistry = TikaConfig.getDefaultConfig().getMediaTypeRegistry();
}
}
}
mediaTypeRegistry = bufferedMediaTypeRegistry;
}
// Ensure that the stream supports the mark feature
if (!stream.markSupported()) {
stream = new BufferedInputStream(stream);
}
TemporaryResources tmp = new TemporaryResources();
ArchiveInputStream ais = null;
try {
ArchiveStreamFactory factory = context.get(ArchiveStreamFactory.class, new ArchiveStreamFactory());
// At the end we want to close the archive stream to release
// any associated resources, but the underlying document stream
// should not be closed
ais = factory.createArchiveInputStream(new CloseShieldInputStream(stream));
} catch (StreamingNotSupportedException sne) {
// Most archive formats work on streams, but a few need files
if (sne.getFormat().equals(ArchiveStreamFactory.SEVEN_Z)) {
// Rework as a file, and wrap
stream.reset();
TikaInputStream tstream = TikaInputStream.get(stream, tmp);
// Seven Zip suports passwords, was one given?
String password = null;
PasswordProvider provider = context.get(PasswordProvider.class);
if (provider != null) {
password = provider.getPassword(metadata);
}
SevenZFile sevenz;
if (password == null) {
sevenz = new SevenZFile(tstream.getFile());
} else {
sevenz = new SevenZFile(tstream.getFile(), password.getBytes("UnicodeLittleUnmarked"));
}
// Pending a fix for COMPRESS-269 / TIKA-1525, this bit is a little nasty
ais = new SevenZWrapper(sevenz);
} else {
tmp.close();
throw new TikaException("Unknown non-streaming format " + sne.getFormat(), sne);
}
} catch (ArchiveException e) {
tmp.close();
throw new TikaException("Unable to unpack document stream", e);
}
updateMediaType(ais, mediaTypeRegistry, metadata);
// Use the delegate parser to parse the contained document
EmbeddedDocumentExtractor extractor = EmbeddedDocumentUtil.getEmbeddedDocumentExtractor(context);
XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata);
xhtml.startDocument();
try {
ArchiveEntry entry = ais.getNextEntry();
while (entry != null) {
if (!entry.isDirectory()) {
parseEntry(ais, entry, extractor, metadata, xhtml);
}
entry = ais.getNextEntry();
}
} catch (UnsupportedZipFeatureException zfe) {
// If it's an encrypted document of unknown password, report as such
if (zfe.getFeature() == Feature.ENCRYPTION) {
throw new EncryptedDocumentException(zfe);
}
// Otherwise throw the exception
throw new TikaException("UnsupportedZipFeature", zfe);
} catch (PasswordRequiredException pre) {
throw new EncryptedDocumentException(pre);
} finally {
ais.close();
tmp.close();
}
xhtml.endDocument();
}
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