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PdfBoxMetadataExtractor.java
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PdfBoxMetadataExtractor.java
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/*
* #%L
* Alfresco Transform Core
* %%
* Copyright (C) 2005 - 2022 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* -
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
* -
* 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/>.
* #L%
*/
package org.alfresco.transform.tika.metadata.extractors;
import org.alfresco.transform.tika.metadata.AbstractTikaMetadataExtractorEmbeddor;
import org.alfresco.transform.tika.transformers.Tika;
import org.apache.tika.extractor.DocumentSelector;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.Parser;
import org.apache.tika.parser.pdf.PDFParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import static org.alfresco.transform.base.metadata.AbstractMetadataExtractorEmbedder.Type.EXTRACTOR;
/**
* Metadata extractor for the PDF documents.
*
* Configuration: (see PdfBoxMetadataExtractor_metadata_extract.properties and tika_engine_config.json)
*
* <pre>
* <b>author:</b> -- cm:author
* <b>title:</b> -- cm:title
* <b>subject:</b> -- cm:description
* <b>created:</b> -- cm:created
* </pre>
*
* Uses Apache Tika
*
* @author Jesper Steen Møller
* @author Derek Hulley
* @author adavis
*/
@Component
public class PdfBoxMetadataExtractor extends AbstractTikaMetadataExtractorEmbeddor
{
private static final Logger logger = LoggerFactory.getLogger(PdfBoxMetadataExtractor.class);
public PdfBoxMetadataExtractor()
{
super(EXTRACTOR, logger);
}
@Override
protected DocumentSelector getDocumentSelector(Metadata metadata, String targetMimeType)
{
return Tika.pdfBoxEmbededDocumentSelector;
}
@Override
protected Parser getParser()
{
return new PDFParser();
}
}