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https://github.com/Alfresco/alfresco-community-repo.git
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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2005 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
109 lines
4.3 KiB
Java
109 lines
4.3 KiB
Java
/*
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* Copyright (C) 2005 Jesper Steen Møller
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*
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* Licensed under the Mozilla Public License version 1.1
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* with a permitted attribution clause. You may obtain a
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* copy of the License at
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*
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* http://www.alfresco.org/legal/license.txt
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific
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* language governing permissions and limitations under the
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* License.
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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.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.model.ContentModel;
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import org.alfresco.repo.content.MimetypeMap;
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import org.alfresco.service.cmr.repository.ContentIOException;
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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.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.poi.hpsf.DocumentSummaryInformation;
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import org.apache.poi.hpsf.PropertySet;
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import org.apache.poi.hpsf.PropertySetFactory;
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import org.apache.poi.hpsf.SummaryInformation;
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import org.apache.poi.poifs.eventfilesystem.POIFSReader;
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import org.apache.poi.poifs.eventfilesystem.POIFSReaderEvent;
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import org.apache.poi.poifs.eventfilesystem.POIFSReaderListener;
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/**
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*
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* @author Jesper Steen Møller
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*/
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public class OfficeMetadataExtracter extends AbstractMetadataExtracter
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{
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private static final Log logger = LogFactory.getLog(OfficeMetadataExtracter.class);
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private static String[] mimeTypes = new String[] { MimetypeMap.MIMETYPE_WORD, MimetypeMap.MIMETYPE_EXCEL,
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MimetypeMap.MIMETYPE_PPT };
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public OfficeMetadataExtracter()
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{
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super(new HashSet<String>(Arrays.asList(mimeTypes)), 1.0, 1000);
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}
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public void extract(ContentReader reader, final Map<QName, Serializable> destination) throws ContentIOException
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{
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POIFSReaderListener readerListener = new POIFSReaderListener()
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{
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public void processPOIFSReaderEvent(final POIFSReaderEvent event)
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{
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try
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{
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PropertySet ps = PropertySetFactory.create(event.getStream());
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if (ps instanceof SummaryInformation)
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{
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SummaryInformation si = (SummaryInformation) ps;
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// Titled aspect
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trimPut(ContentModel.PROP_TITLE, si.getTitle(), destination);
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trimPut(ContentModel.PROP_DESCRIPTION, si.getSubject(), destination);
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// Auditable aspect
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trimPut(ContentModel.PROP_CREATED, si.getCreateDateTime(), destination);
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trimPut(ContentModel.PROP_CREATOR, si.getAuthor(), destination);
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trimPut(ContentModel.PROP_MODIFIED, si.getLastSaveDateTime(), destination);
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trimPut(ContentModel.PROP_MODIFIER, si.getLastAuthor(), destination);
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}
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else if (ps instanceof DocumentSummaryInformation)
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{
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DocumentSummaryInformation dsi = (DocumentSummaryInformation) ps;
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// These are not really interesting to any aspect:
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// trimPut(ContentModel.PROP_xxx, dsi.getCompany(),
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// destination);
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// trimPut(ContentModel.PROP_yyy, dsi.getManager(),
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// destination);
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}
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}
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catch (Exception ex)
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{
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throw new ContentIOException("Property set stream: " + event.getPath() + event.getName(), ex);
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}
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}
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};
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try
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{
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POIFSReader r = new POIFSReader();
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r.registerListener(readerListener, SummaryInformation.DEFAULT_STREAM_NAME);
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r.read(reader.getContentInputStream());
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}
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catch (IOException e)
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{
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throw new ContentIOException("Compound Document SummaryInformation metadata extraction failed: \n"
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+ " reader: " + reader,
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e);
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}
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}
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}
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