| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.tika.parser.pkg; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| import com.github.junrar.Archive; |
| import com.github.junrar.exception.RarException; |
| import com.github.junrar.rarfile.FileHeader; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.SAXException; |
| |
| import org.apache.tika.exception.EncryptedDocumentException; |
| import org.apache.tika.exception.TikaException; |
| import org.apache.tika.exception.UnsupportedFormatException; |
| import org.apache.tika.extractor.EmbeddedDocumentExtractor; |
| import org.apache.tika.extractor.EmbeddedDocumentUtil; |
| import org.apache.tika.io.TemporaryResources; |
| import org.apache.tika.io.TikaInputStream; |
| import org.apache.tika.metadata.Metadata; |
| import org.apache.tika.mime.MediaType; |
| import org.apache.tika.parser.AbstractParser; |
| import org.apache.tika.parser.ParseContext; |
| import org.apache.tika.sax.XHTMLContentHandler; |
| |
| /** |
| * Parser for Rar files. |
| */ |
| public class RarParser extends AbstractParser { |
| private static final long serialVersionUID = 6157727985054451501L; |
| |
| private static final Set<MediaType> SUPPORTED_TYPES = |
| Collections.singleton(MediaType.application("x-rar-compressed")); |
| |
| @Override |
| public Set<MediaType> getSupportedTypes(ParseContext arg0) { |
| return SUPPORTED_TYPES; |
| } |
| |
| @Override |
| public void parse(InputStream stream, ContentHandler handler, Metadata metadata, |
| ParseContext context) throws IOException, SAXException, TikaException { |
| |
| XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata); |
| xhtml.startDocument(); |
| |
| EmbeddedDocumentExtractor extractor = |
| EmbeddedDocumentUtil.getEmbeddedDocumentExtractor(context); |
| String mediaType = metadata.get(Metadata.CONTENT_TYPE); |
| |
| if (mediaType != null && mediaType.contains("version=5")) { |
| throw new UnsupportedFormatException("Tika does not yet support rar version 5."); |
| } |
| Archive rar = null; |
| try (TemporaryResources tmp = new TemporaryResources()) { |
| TikaInputStream tis = TikaInputStream.get(stream, tmp); |
| rar = new Archive(tis.getFile()); |
| |
| if (rar.isEncrypted()) { |
| throw new EncryptedDocumentException(); |
| } |
| |
| //Without this BodyContentHandler does not work |
| xhtml.element("div", " "); |
| |
| FileHeader header = rar.nextFileHeader(); |
| while (header != null && !Thread.currentThread().isInterrupted()) { |
| if (!header.isDirectory()) { |
| try (InputStream subFile = rar.getInputStream(header)) { |
| Metadata entrydata = PackageParser.handleEntryMetadata( |
| "".equals(header.getFileNameW()) ? header.getFileNameString() : |
| header.getFileNameW(), header.getCTime(), header.getMTime(), |
| header.getFullUnpackSize(), xhtml); |
| |
| if (extractor.shouldParseEmbedded(entrydata)) { |
| extractor.parseEmbedded(subFile, handler, entrydata, true); |
| } |
| } |
| } |
| |
| header = rar.nextFileHeader(); |
| } |
| |
| } catch (RarException e) { |
| throw new TikaException("RarParser Exception", e); |
| } finally { |
| if (rar != null) { |
| rar.close(); |
| } |
| |
| } |
| |
| xhtml.endDocument(); |
| } |
| } |