/*
* 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.iwork;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.apache.commons.compress.archivers.ArchiveEntry;
import org.apache.commons.compress.archivers.ArchiveInputStream;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream;
import org.apache.commons.compress.archivers.zip.ZipFile;
import org.apache.tika.exception.TikaException;
import org.apache.tika.io.CloseShieldInputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.mime.MediaType;
import org.apache.tika.parser.EmptyParser;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.Parser;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
/**
* A parser for the IWork container files. This includes *.key, *.pages and *.numbers files.
* This parser delegates the relevant files to {@link IWorkParser} that parsers the content.
*/
public class IWorkPackageParser implements Parser {
private final static Set<MediaType> supportedTypes =
Collections.singleton(MediaType.application("vnd.apple.iwork"));
private final static Set<String> relevantFileNames = Collections.unmodifiableSet(
new HashSet<String>(Arrays.asList("index.apxl", "index.xml", "presentation.apxl"))
);
public Set<MediaType> getSupportedTypes(ParseContext context) {
return supportedTypes;
}
public void parse(InputStream stream, ContentHandler handler, Metadata metadata, ParseContext context)
throws IOException, SAXException, TikaException {
ArchiveInputStream zip = new ZipArchiveInputStream(stream);
ArchiveEntry entry = zip.getNextEntry();
Parser parser = context.get(Parser.class, EmptyParser.INSTANCE);
while (entry != null) {
if (!relevantFileNames.contains(entry.getName())) {
entry = zip.getNextEntry();
continue;
}
parser.parse(new CloseShieldInputStream(zip), handler, metadata, context);
entry = zip.getNextEntry();
}
zip.close();
}
/**
* @deprecated This method will be removed in Apache Tika 1.0.
*/
public void parse(
InputStream stream, ContentHandler handler, Metadata metadata)
throws IOException, SAXException, TikaException {
parse(stream, handler, metadata, new ParseContext());
}
}