mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-10-29 15:21:53 +00:00
a974734210
19285: Merged V3.1 to V3.2
19283: Merged Belarus to V3.1
18815: ETHREEOH-4225: Remove dependancy on third party jars odf-util, woodstox and jug
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19287 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
173 lines
6.8 KiB
Java
173 lines
6.8 KiB
Java
/*
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* Copyright (C) 2005 Antti Jokipii
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.repo.content.metadata;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.Serializable;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import org.alfresco.repo.content.MimetypeMap;
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import org.alfresco.service.cmr.repository.ContentReader;
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import org.alfresco.service.namespace.QName;
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import org.apache.tika.metadata.Metadata;
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import org.apache.tika.parser.ParseContext;
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import org.apache.tika.parser.odf.OpenDocumentParser;
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import org.apache.tika.sax.BodyContentHandler;
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import org.xml.sax.ContentHandler;
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/**
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* Metadata extractor for the
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* {@link org.alfresco.repo.content.MimetypeMap#MIMETYPE_OPENDOCUMENT_TEXT MIMETYPE_OPENDOCUMENT_XXX}
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* mimetypes.
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* <pre>
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* <b>creationDate:</b> -- cm:created
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* <b>creator:</b> -- cm:author
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* <b>date:</b>
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* <b>description:</b> -- cm:description
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* <b>generator:</b>
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* <b>initialCreator:</b>
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* <b>keyword:</b>
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* <b>language:</b>
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* <b>printDate:</b>
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* <b>printedBy:</b>
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* <b>subject:</b>
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* <b>title:</b> -- cm:title
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* <b>All user properties</b>
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* </pre>
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*
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* TIKA Note - this has been converted to deep-call into Tika.
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* This will be replaced with proper calls to Tika at a later date.
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* Everything except some Print info has been ported to Tika.
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*
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* @author Antti Jokipii
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* @author Derek Hulley
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*/
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public class OpenDocumentMetadataExtracter extends AbstractMappingMetadataExtracter
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{
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private static final String KEY_CREATION_DATE = "creationDate";
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private static final String KEY_CREATOR = "creator";
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private static final String KEY_DATE = "date";
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private static final String KEY_DESCRIPTION = "description";
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private static final String KEY_GENERATOR = "generator";
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private static final String KEY_INITIAL_CREATOR = "initialCreator";
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private static final String KEY_KEYWORD = "keyword";
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private static final String KEY_LANGUAGE = "language";
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private static final String KEY_PRINT_DATE = "printDate";
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private static final String KEY_PRINTED_BY = "printedBy";
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private static final String KEY_SUBJECT = "subject";
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private static final String KEY_TITLE = "title";
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private static final String CUSTOM_PREFIX = "custom:";
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public static String[] SUPPORTED_MIMETYPES = new String[] {
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MimetypeMap.MIMETYPE_OPENDOCUMENT_TEXT,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_TEXT_TEMPLATE,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_GRAPHICS,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_GRAPHICS_TEMPLATE,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_PRESENTATION,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_PRESENTATION_TEMPLATE,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_SPREADSHEET,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_SPREADSHEET_TEMPLATE,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_CHART,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_CHART_TEMPLATE,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_IMAGE,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_IMAGE_TEMPLATE,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_FORMULA,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_FORMULA_TEMPLATE,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_TEXT_MASTER,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_TEXT_WEB,
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MimetypeMap.MIMETYPE_OPENDOCUMENT_DATABASE };
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private static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ss");
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public OpenDocumentMetadataExtracter()
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{
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super(new HashSet<String>(Arrays.asList(SUPPORTED_MIMETYPES)));
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}
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@Override
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public Map<String, Serializable> extractRaw(ContentReader reader) throws Throwable
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{
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Map<String, Serializable> rawProperties = newRawMap();
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InputStream is = null;
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try
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{
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is = reader.getContentInputStream();
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OpenDocumentParser docParser = new OpenDocumentParser();
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ContentHandler handler = new BodyContentHandler() ;
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Metadata metadata = new Metadata();
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ParseContext context = new ParseContext();
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docParser.parse(is, handler, metadata, context);
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putRawValue(KEY_CREATION_DATE, getDateOrNull(metadata.get(Metadata.CREATION_DATE)), rawProperties);
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putRawValue(KEY_CREATOR, metadata.get(Metadata.CREATOR), rawProperties);
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putRawValue(KEY_DATE, getDateOrNull(metadata.get(Metadata.DATE)), rawProperties);
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putRawValue(KEY_DESCRIPTION, metadata.get(Metadata.DESCRIPTION), rawProperties);
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putRawValue(KEY_GENERATOR, metadata.get("generator"), rawProperties);
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putRawValue(KEY_INITIAL_CREATOR, metadata.get("initial-creator"), rawProperties);
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putRawValue(KEY_KEYWORD, metadata.get(Metadata.KEYWORDS), rawProperties);
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putRawValue(KEY_LANGUAGE, metadata.get(Metadata.LANGUAGE), rawProperties);
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// putRawValue(KEY_PRINT_DATE, getDateOrNull(metadata.get(Metadata.)), rawProperties);
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// putRawValue(KEY_PRINTED_BY, metadata.get(Metadata.), rawProperties);
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putRawValue(KEY_SUBJECT, metadata.get(Metadata.SUBJECT), rawProperties);
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putRawValue(KEY_TITLE, metadata.get(Metadata.TITLE), rawProperties);
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// Handle user-defined properties dynamically
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Map<String, Set<QName>> mapping = super.getMapping();
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for (String key : mapping.keySet())
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{
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if (metadata.get(CUSTOM_PREFIX + key) != null)
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{
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putRawValue(key, metadata.get(CUSTOM_PREFIX + key), rawProperties);
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}
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}
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}
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finally
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{
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if (is != null)
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{
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try { is.close(); } catch (IOException e) {}
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}
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}
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// Done
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return rawProperties;
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}
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private Date getDateOrNull(String dateString) throws ParseException
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{
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if (dateString != null && dateString.length() != 0)
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{
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return dateFormat.parse(dateString);
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}
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return null;
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}
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}
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