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/*
 * 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.microsoft.ooxml;

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.poi.openxml4j.util.ZipSecureFile;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;

import org.apache.tika.exception.TikaException;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.mime.MediaType;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.microsoft.AbstractOfficeParser;

/**
 * Office Open XML (OOXML) parser.
 */
public class OOXMLParser extends AbstractOfficeParser {
    protected static final String SIGNATURE_RELATIONSHIP =
            "http://schemas.openxmlformats.org/package/2006/relationships/digital-signature/origin";
    protected static final MediaType XPS = MediaType.application("vnd.ms-xpsdocument");
    protected static final Set SUPPORTED_TYPES = Collections.unmodifiableSet(
            new HashSet<>(Arrays.asList(MediaType
                            .application("vnd.openxmlformats-officedocument" +
                                    ".presentationml.presentation"),
                    MediaType.application("vnd.ms-powerpoint.presentation.macroenabled.12"),
                    MediaType.application(
                            "vnd.openxmlformats-officedocument.presentationml.template"),
                    MediaType.application(
                                    "vnd.openxmlformats-officedocument.presentationml.slideshow"),
                    MediaType.application("vnd.ms-powerpoint.slideshow.macroenabled.12"),
                    MediaType.application("vnd.ms-powerpoint.addin.macroenabled.12"),
                    MediaType.application("vnd.ms-powerpoint.template.macroenabled.12"),
                    MediaType.application("vnd.ms-powerpoint.slide.macroenabled.12"),
                    MediaType.application("vnd.openxmlformats-officedocument.presentationml.slide"),

                    MediaType.application("vnd.openxmlformats-officedocument.spreadsheetml.sheet"),
                    MediaType.application("vnd.ms-excel.sheet.macroenabled.12"),
                    MediaType.application(
                                    "vnd.openxmlformats-officedocument.spreadsheetml.template"),
                    MediaType.application("vnd.ms-excel.template.macroenabled.12"),
                    MediaType.application("vnd.ms-excel.addin.macroenabled.12"),
                    MediaType.application("vnd.ms-excel.sheet.binary.macroenabled.12"),

                    MediaType.application(
                            "vnd.openxmlformats-officedocument.wordprocessingml.document"),
                    MediaType.application("vnd.ms-word.document.macroenabled.12"),
                    MediaType.application(
                                    "vnd.openxmlformats-officedocument.wordprocessingml.template"),
                    MediaType.application("vnd.ms-word.template.macroenabled.12"),

                    MediaType.application("vnd.ms-visio.drawing"),
                    MediaType.application("vnd.ms-visio.drawing.macroenabled.12"),
                    MediaType.application("vnd.ms-visio.stencil"),
                    MediaType.application("vnd.ms-visio.stencil.macroenabled.12"),
                    MediaType.application("vnd.ms-visio.template"),
                    MediaType.application("vnd.ms-visio.template.macroenabled.12"),
                    MediaType.application("vnd.ms-visio.drawing"),
                    MediaType.application("vnd.ms-xpsdocument"),
                    MediaType.parse("model/vnd.dwfx+xps")
                    //  MediaType.application("x-tika-ooxml")

            )));
    /**
     * We claim to support all OOXML files, but we actually don't support a small
     * number of them.
     * This list is used to decline certain formats that are not yet supported
     * by Tika and/or POI.
     */
    protected static final Set UNSUPPORTED_OOXML_TYPES = Collections.EMPTY_SET;
    /**
     * Serial version UID
     */
    private static final long serialVersionUID = 6535995710857776481L;
    //TODO: should we do a singleton for dwfx+xps?
            /*Collections.singleton(
                    MediaType.application("vnd.ms-xpsdocument")
            );*/

    static {
        //turn off POI's zip bomb detection because we have our own
        ZipSecureFile.setMinInflateRatio(-1.0d);
        //bump this to a higher value than POI's default of 1000
        ZipSecureFile.setMaxFileCount(10000);
    }

    public Set getSupportedTypes(ParseContext context) {
        return SUPPORTED_TYPES;
    }

    public void parse(InputStream stream, ContentHandler handler, Metadata metadata,
                      ParseContext context) throws IOException, SAXException, TikaException {
        //set OfficeParserConfig if the user hasn't specified one
        configure(context);
        // Have the OOXML file processed
        OOXMLExtractorFactory.parse(stream, handler, metadata, context);
    }
}