/*
* Copyright (c) 2010 Jukka Zitting <jukka@zitting.name>
*
* the unrar licence applies to all junrar source and binary distributions
* you are not allowed to use this source to re-create the RAR compression
* algorithm
*/
package de.innosystec.unrar.tika;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import java.util.Set;
import org.apache.tika.exception.TikaException;
import org.apache.tika.extractor.EmbeddedDocumentExtractor;
import org.apache.tika.io.TikaInputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.mime.MediaType;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.Parser;
import org.apache.tika.sax.XHTMLContentHandler;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import de.innosystec.unrar.Archive;
import de.innosystec.unrar.exception.RarException;
import de.innosystec.unrar.rarfile.FileHeader;
public class RARParser implements Parser {
private static final MediaType TYPE =
MediaType.application("x-rar-compressed");
public Set<MediaType> getSupportedTypes(ParseContext context) {
return Collections.singleton(TYPE);
}
public void parse(
InputStream stream, ContentHandler handler,
Metadata metadata, ParseContext context)
throws SAXException, IOException, TikaException {
EmbeddedDocumentExtractor extractor =
new EmbeddedDocumentExtractor(context);
try {
File file = TikaInputStream.get(stream).getFile();
Archive archive = new Archive(file);
metadata.set(Metadata.CONTENT_TYPE, TYPE.toString());
XHTMLContentHandler xhtml =
new XHTMLContentHandler(handler, metadata);
xhtml.startDocument();
for (FileHeader header : archive.getFileHeaders()) {
Metadata entrydata = new Metadata();
entrydata.set(
Metadata.RESOURCE_NAME_KEY,
header.getFileNameString());
if (extractor.shouldParseEmbedded(entrydata)) {
extractor.parseEmbedded(stream, xhtml, entrydata, true);
}
}
xhtml.endDocument();
} catch (RarException e) {
throw new TikaException("Unable to parse a RAR archive", e);
}
}
public void parse(
InputStream stream, ContentHandler handler, Metadata metadata)
throws IOException, SAXException, TikaException {
parse(stream, handler, metadata, new ParseContext());
}
}