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45c757fee8
The code for extracting .dwg files has been contributed to Apache tika, and the Alfresco metadata extractor deep calls into Tika to have the work done. We retain our own tests of this however. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19927 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
111 lines
3.9 KiB
Java
111 lines
3.9 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.util.Arrays;
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import java.util.HashSet;
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import java.util.Map;
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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.apache.tika.metadata.Metadata;
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import org.apache.tika.parser.ParseContext;
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import org.apache.tika.parser.dwg.DWGParser;
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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_DWG MIMETYPE_DWG}
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* mimetype.
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* <pre>
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* <b>title:</b> -- cm:title
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* <b>description:</b> -- cm:description
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* <b>author:</b> -- cm:author
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* <b>keywords:</b>
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* <b>comments:</b>
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* <b>lastauthor:</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 Nick Burch
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*/
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public class DWGMetadataExtracter extends AbstractMappingMetadataExtracter
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{
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private static final String KEY_AUTHOR = "author";
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private static final String KEY_COMMENT = "comment";
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private static final String KEY_DESCRIPTION = "description";
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private static final String KEY_KEYWORD = "keyword";
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private static final String KEY_LAST_AUTHOR = "lastAuthor";
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private static final String KEY_TITLE = "title";
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public static String[] SUPPORTED_MIMETYPES = new String[] {
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MimetypeMap.MIMETYPE_APP_DWG,
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MimetypeMap.MIMETYPE_IMG_DWG,
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};
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public DWGMetadataExtracter()
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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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DWGParser dwgParser = new DWGParser();
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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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dwgParser.parse(is, handler, metadata, context);
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putRawValue(KEY_AUTHOR, metadata.get(Metadata.AUTHOR), rawProperties);
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putRawValue(KEY_COMMENT, metadata.get(Metadata.COMMENTS), rawProperties);
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putRawValue(KEY_DESCRIPTION, metadata.get(Metadata.DESCRIPTION), rawProperties);
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putRawValue(KEY_KEYWORD, metadata.get(Metadata.KEYWORDS), rawProperties);
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putRawValue(KEY_LAST_AUTHOR, metadata.get(Metadata.LAST_AUTHOR), rawProperties);
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putRawValue(KEY_DESCRIPTION, metadata.get(Metadata.SUBJECT), rawProperties);
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putRawValue(KEY_TITLE, metadata.get(Metadata.TITLE), rawProperties);
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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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}
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