net.sf.jasperreports.engine.util.JRJdk13ImageReader Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2014 TIBCO Software 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.awt.Image;
import java.awt.MediaTracker;
import java.awt.Panel;
import java.awt.Toolkit;
import net.sf.jasperreports.engine.JRException;
/**
* @author Teodor Danciu ([email protected])
*/
public class JRJdk13ImageReader implements JRImageReader
{
public static final String EXCEPTION_MESSAGE_KEY_IMAGE_READ_FAILED = "util.jdk13.image.read.failed";
@Override
public Image readImage(byte[] bytes) throws JRException
{
Image image = Toolkit.getDefaultToolkit().createImage(bytes);
MediaTracker tracker = new MediaTracker(new Panel());
tracker.addImage(image, 0);
try
{
tracker.waitForID(0);
}
catch (Exception e)
{
//image = null;
throw new JRException(e);
}
if(tracker.isErrorID(0))
{
throw
new JRException(
EXCEPTION_MESSAGE_KEY_IMAGE_READ_FAILED,
(Object[])null);
}
return image;
}
}