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/*
* 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;
import java.awt.Image;
import java.awt.Transparency;
import java.awt.image.ColorModel;
import java.awt.image.RenderedImage;
import java.io.File;
import java.io.InputStream;
import java.net.URL;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import net.sf.jasperreports.engine.type.ImageTypeEnum;
import net.sf.jasperreports.engine.type.OnErrorTypeEnum;
import net.sf.jasperreports.engine.util.JRImageLoader;
import net.sf.jasperreports.engine.util.JRLoader;
import net.sf.jasperreports.repo.RepositoryUtil;
/**
* @author Teodor Danciu ([email protected])
*/
public class RenderableUtil
{
private static final Log log = LogFactory.getLog(RenderableUtil.class);
/**
*
*/
private JasperReportsContext jasperReportsContext;
/**
*
*/
private RenderableUtil(JasperReportsContext jasperReportsContext)
{
this.jasperReportsContext = jasperReportsContext;
}
/**
*
*/
public static RenderableUtil getInstance(JasperReportsContext jasperReportsContext)
{
return new RenderableUtil(jasperReportsContext);
}
/**
*
*/
public Renderable getRenderable(byte[] imageData)
{
return new JRImageRenderer(imageData);
}
/**
*
*/
public Renderable getRenderable(String imageLocation) throws JRException
{
return getRenderable(imageLocation, OnErrorTypeEnum.ERROR, true);
}
/**
*
*/
public Renderable getRenderable(String imageLocation, OnErrorTypeEnum onErrorType) throws JRException
{
return getRenderable(imageLocation, onErrorType, true);
}
/**
*
*/
public Renderable getRenderable(String imageLocation, OnErrorTypeEnum onErrorType, boolean isLazy) throws JRException
{
if (imageLocation == null)
{
return null;
}
if (isLazy)
{
return new JRImageRenderer(imageLocation);
}
Renderable result;
try
{
byte[] data = RepositoryUtil.getInstance(jasperReportsContext).getBytesFromLocation(imageLocation);
result = new JRImageRenderer(data);
}
catch (Exception e)
{
result = handleImageError(e, onErrorType);
if (log.isDebugEnabled())
{
log.debug("handled image error with type " + onErrorType + " for location " + imageLocation, e);
}
}
return result;
}
/**
*
*/
public Renderable getRenderable(Image img, OnErrorTypeEnum onErrorType) throws JRException
{
ImageTypeEnum type = ImageTypeEnum.JPEG;
if (img instanceof RenderedImage)
{
ColorModel colorModel = ((RenderedImage) img).getColorModel();
//if the image has transparency, encode as PNG
if (colorModel.hasAlpha()
&& colorModel.getTransparency() != Transparency.OPAQUE)
{
type = ImageTypeEnum.PNG;
}
}
return getRenderable(img, type, onErrorType);
}
/**
* Creates and returns an instance of the JRImageRenderer class after encoding the image object using an image
* encoder that supports the supplied image type.
*
* @param image the java.awt.Image object to wrap into a JRImageRenderer instance
* @param imageType the type of the image as specified by one of the constants defined in the JRRenderable interface
* @param onErrorType one of the error type constants defined in the {@link OnErrorTypeEnum}.
* @return the image renderer instance
*/
public Renderable getRenderable(Image image, ImageTypeEnum imageType, OnErrorTypeEnum onErrorType) throws JRException
{
Renderable result;
try
{
result = new JRImageRenderer(JRImageLoader.getInstance(jasperReportsContext).loadBytesFromAwtImage(image, imageType));
}
catch (Exception e)
{
result = handleImageError(e, onErrorType);
if (log.isDebugEnabled())
{
log.debug("handled image error with type " + onErrorType, e);
}
}
return result;
}
/**
*
*/
public Renderable getRenderable(InputStream is, OnErrorTypeEnum onErrorType) throws JRException
{
Renderable result;
try
{
result = new JRImageRenderer(JRLoader.loadBytes(is));
}
catch (Exception e)
{
result = handleImageError(e, onErrorType);
if (log.isDebugEnabled())
{
log.debug("handled image error with type " + onErrorType, e);
}
}
return result;
}
/**
*
*/
public Renderable getRenderable(URL url, OnErrorTypeEnum onErrorType) throws JRException
{
Renderable result;
try
{
result = new JRImageRenderer(JRLoader.loadBytes(url));
}
catch (Exception e)
{
result = handleImageError(e, onErrorType);
if (log.isDebugEnabled())
{
log.debug("handled image error with type " + onErrorType + " for URL " + url, e);
}
}
return result;
}
/**
*
*/
public Renderable getRenderable(File file, OnErrorTypeEnum onErrorType) throws JRException
{
Renderable result;
try
{
result = new JRImageRenderer(JRLoader.loadBytes(file));
}
catch (Exception e)
{
result = handleImageError(e, onErrorType);
if (log.isDebugEnabled())
{
log.debug("handled image error with type " + onErrorType + " for file " + file, e);
}
}
return result;
}
/**
*
*/
public Renderable getOnErrorRendererForDimension(Renderable renderer, OnErrorTypeEnum onErrorType) throws JRException
{
Renderable result;
try
{
renderer.getDimension(jasperReportsContext);
result = renderer;
}
catch (Exception e)
{
result = handleImageError(e, onErrorType);
if (log.isDebugEnabled())
{
log.debug("handled image error with type " + onErrorType, e);
}
}
return result;
}
/**
*
*/
public Renderable getOnErrorRendererForImageData(Renderable renderer, OnErrorTypeEnum onErrorType) throws JRException
{
Renderable result;
try
{
renderer.getImageData(jasperReportsContext);
result = renderer;
}
catch (Exception e)
{
result = handleImageError(e, onErrorType);
if (log.isDebugEnabled())
{
log.debug("handled image error with type " + onErrorType, e);
}
}
return result;
}
/**
*
*
public Renderable getOnErrorRendererForImage(Renderable renderer, OnErrorTypeEnum onErrorType) throws JRException
{
try
{
renderer.getImage();
return renderer;
}
catch (JRException e)
{
return getOnErrorRenderer(onErrorType, e);
}
}
*/
protected Renderable handleImageError(Exception error, OnErrorTypeEnum onErrorType) throws JRException
{
Renderable errorRenderable;
if (error instanceof JRException)
{
errorRenderable = getOnErrorRenderer(onErrorType, (JRException) error);
}
else if (error instanceof JRRuntimeException)
{
errorRenderable = getOnErrorRenderer(onErrorType, (JRRuntimeException) error);
}
else if (error instanceof RuntimeException)
{
throw (RuntimeException) error;
}
else
{
// we shouldn't get here normally
if (log.isDebugEnabled())
{
log.debug("got unexpected image exception of type " + error.getClass().getName(), error);
}
throw new JRRuntimeException("Image error", error);
}
return errorRenderable;
}
public Renderable getOnErrorRenderer(OnErrorTypeEnum onErrorType, JRException e) throws JRException
{
Renderable renderer = null;
switch (onErrorType)
{
case ICON :
{
renderer = new JRImageRenderer(JRImageLoader.NO_IMAGE_RESOURCE);
//FIXME cache these renderers
break;
}
case BLANK :
{
break;
}
case ERROR :
default :
{
throw e;
}
}
return renderer;
}
public Renderable getOnErrorRenderer(OnErrorTypeEnum onErrorType, JRRuntimeException e) throws JRRuntimeException
{
Renderable renderer = null;
switch (onErrorType)
{
case ICON :
{
renderer = new JRImageRenderer(JRImageLoader.NO_IMAGE_RESOURCE);
//FIXME cache these renderers
break;
}
case BLANK :
{
break;
}
case ERROR :
default :
{
throw e;
}
}
return renderer;
}
/**
* @deprecated To be removed.
*/
public static Renderable getWrappingRenderable(JRRenderable deprecatedRenderer)
{
Renderable renderable = null;
if (deprecatedRenderer != null)
{
renderable = deprecatedRenderer instanceof Renderable ? (Renderable)deprecatedRenderer : null;
if (renderable == null)
{
renderable = new net.sf.jasperreports.engine.util.WrappingRenderable(deprecatedRenderer);
}
}
return renderable;
}
/**
* @deprecated To be removed.
*/
public static Renderable getWrappingRenderable(JRImageMapRenderer deprecatedRenderer)
{
Renderable renderable = null;
if (deprecatedRenderer != null)
{
renderable = deprecatedRenderer instanceof Renderable ? (Renderable)deprecatedRenderer : null;
if (renderable == null)
{
renderable = new net.sf.jasperreports.engine.util.WrappingImageMapRenderable(deprecatedRenderer);
}
}
return renderable;
}
}
