alfresco-community-repo/source/java/org/alfresco/repo/content/metadata/OpenDocumentMetadataExtracter.java
Nick Burch a974734210 Merged V3.2 to HEAD
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
2010-03-15 13:00:09 +00:00

173 lines
6.8 KiB
Java

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