001/*
002 *  Copyright 2014 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.explorer.resources.metadata.parsing;
017
018import java.io.IOException;
019import java.io.InputStream;
020
021import org.apache.tika.exception.TikaException;
022import org.apache.tika.io.TemporaryResources;
023import org.apache.tika.io.TikaInputStream;
024import org.apache.tika.metadata.Metadata;
025import org.apache.tika.parser.ParseContext;
026import org.apache.tika.parser.image.ImageMetadataExtractor;
027import org.apache.tika.parser.jpeg.JpegParser;
028import org.apache.tika.sax.XHTMLContentHandler;
029import org.xml.sax.ContentHandler;
030import org.xml.sax.SAXException;
031
032/**
033 * {@link JpegParser} using the custom {@link AmetysJempboxExtractor} to extract all dublin core metadata.
034 */
035public class AmetysJpegParser extends JpegParser
036{
037    
038    @Override
039    public void parse(InputStream stream, ContentHandler handler, Metadata metadata, ParseContext context) throws IOException, SAXException, TikaException
040    {
041        TemporaryResources tmp = new TemporaryResources();
042        try
043        {
044            TikaInputStream tis = TikaInputStream.get(stream, tmp);
045            // Standard ImageMetadataExtractor.
046            new ImageMetadataExtractor(metadata).parseJpeg(tis.getFile());
047            // Custom JempboxExtractor.
048            new AmetysJempboxExtractor(metadata).parse(tis);
049        }
050        finally
051        {
052            tmp.dispose();
053        }
054
055        XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata);
056        xhtml.startDocument();
057        xhtml.endDocument();
058    }
059    
060}