net.sf.jasperreports.engine.util.ExifUtil Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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.
*
* JasperReports 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 JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.util;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import com.drew.imaging.ImageMetadataReader;
import com.drew.imaging.ImageProcessingException;
import com.drew.metadata.Metadata;
import com.drew.metadata.MetadataException;
import com.drew.metadata.exif.ExifIFD0Directory;
import net.sf.jasperreports.engine.JRRuntimeException;
/**
* @author Teodor Danciu ([email protected])
*/
public final class ExifUtil
{
/**
*
*/
public static ExifOrientationEnum getExifOrientation(byte[] data)
{
ExifOrientationEnum exifOrientation = null;
try
{
Metadata metadata = ImageMetadataReader.readMetadata(new ByteArrayInputStream(data));
ExifIFD0Directory directory = metadata.getFirstDirectoryOfType(ExifIFD0Directory.class);
if (directory != null && directory.containsTag(ExifIFD0Directory.TAG_ORIENTATION))
{
exifOrientation = ExifOrientationEnum.getByValue(directory.getInt(ExifIFD0Directory.TAG_ORIENTATION));
}
}
catch (ImageProcessingException | IOException | MetadataException e)
{
throw new JRRuntimeException(e);
}
return exifOrientation;
}
}