Examples of org.vfny.geoserver.wms.responses.RenderExceptionStrategy

Package org.vfny.geoserver.wms.responses

Examples of org.vfny.geoserver.wms.responses.RenderExceptionStrategy

org.vfny.geoserver.wms.responses.RenderExceptionStrategy
A {@link RenderListener} that knows which rendering exceptions are ignorable and stopsrendering if not.
This map producer should register an instance of this listener to the renderer in order to get notified of an unexpected rendering exception through the {@link #getException()} method.

The following exception causes are going to be ignored, any other one will stop the rendering:
- {@link IllegalAttributeException}: known to be thrown when a Feature attribute does not validate against it's schema.
- {@link TransformException}: a geometry can't be transformed to the target CRS, usually because of being outside the target CRS area of validity.
- {@link FactoryException}: the transform from source CRS to destination CRS and from there to the display failed.
- {@link NoninvertibleTransformException}: a transformation error for geometry decimation

            int maxErrors = wmsConfig.getMaxRenderingErrors();
            MaxErrorEnforcer errorChecker = new MaxErrorEnforcer(renderer, maxErrors);


            // Add a render listener that ignores well known rendering exceptions and reports back non
            // ignorable ones
            final RenderExceptionStrategy nonIgnorableExceptionListener;
            nonIgnorableExceptionListener = new RenderExceptionStrategy(renderer);
            renderer.addRenderListener(nonIgnorableExceptionListener);


            renderer.paint(g, new Rectangle(g.getSVGCanvasSize()), getRenderingArea(), getRenderingTransform());
      
      // check if too many errors occurred
            if(errorChecker.exceedsMaxErrors()) {
                throw new WmsException("More than " + maxErrors + " rendering errors occurred, bailing out.", 
                        "internalError", errorChecker.getLastException());
            }


            //check if a non ignorable error occurred
            if(nonIgnorableExceptionListener.exceptionOccurred()){
                Exception renderError = nonIgnorableExceptionListener.getException();
                throw new WmsException("Rendering process failed", "internalError", renderError);
            }
            
      // This method of output does not output the DOCTYPE definiition
      // TODO: make a config option that toggles wether doctype is

View Full Code Here

            int maxErrors = wms.getMaxRenderingErrors();
            MaxErrorEnforcer errorChecker = new MaxErrorEnforcer(renderer, maxErrors);


            // Add a render listener that ignores well known rendering exceptions and reports back non
            // ignorable ones
            final RenderExceptionStrategy nonIgnorableExceptionListener;
            nonIgnorableExceptionListener = new RenderExceptionStrategy(renderer);
            renderer.addRenderListener(nonIgnorableExceptionListener);
            
            // enforce max memory usage
            int maxMemory = wms.getMaxRequestMemory() * KB;
            PDFMaxSizeEnforcer memoryChecker = new PDFMaxSizeEnforcer(renderer, graphic, maxMemory);
            
            // render the map
            renderer.paint(graphic, paintArea, getRenderingArea(), getRenderingTransform());
            
            // render the watermark
            MapDecorationLayout.Block watermark = 
                DefaultRasterMapProducer.getWatermark(this.mapContext.getRequest().getWMS().getServiceInfo());


            if (watermark != null) {
                MapDecorationLayout layout = new MapDecorationLayout();
                layout.paint(graphic, paintArea, this.mapContext);
            }
            
            //check if a non ignorable error occurred
            if(nonIgnorableExceptionListener.exceptionOccurred()){
                Exception renderError = nonIgnorableExceptionListener.getException();
                throw new WmsException("Rendering process failed", "internalError", renderError);
            }


            // check if too many errors occurred
            if(errorChecker.exceedsMaxErrors()) {

View Full Code Here

TOP

Related Classes of org.vfny.geoserver.wms.responses.RenderExceptionStrategy

org.vfny.geoserver.wms.responses.map.pdf.PDFMapProducer

org.vfny.geoserver.wms.responses.map.svg.SVGBatikMapProducer

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.