Mercurial > mxd2map
view src/java/de/intevation/mxd/reader/GdbRasterCatalogLayerReader.java @ 120:11d63bf00326
Changed exception handling and logging in writer classes.
author | Raimund Renkert <rrenkert@intevation.de> |
---|---|
date | Thu, 16 Jun 2011 14:49:45 +0200 |
parents | 39957898c694 |
children | a4ab239509f1 |
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package de.intevation.mxd.reader; import org.apache.log4j.Logger; import com.esri.arcgis.carto.ILayer; import com.esri.arcgis.carto.GdbRasterCatalogLayer; import org.w3c.dom.Element; import java.io.IOException; import de.intevation.mxd.utils.MapToXMLUtils; /** * Reads Layer information. * * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class GdbRasterCatalogLayerReader implements ILayerReader { /** * The logger. */ private static final Logger logger = Logger.getLogger(GdbRasterCatalogLayerReader.class); /** * Privte member. */ private GdbRasterCatalogLayer layer; private MapToXMLUtils util; public GdbRasterCatalogLayerReader(ILayer layer) throws Exception { if(layer instanceof GdbRasterCatalogLayer) { this.layer = (GdbRasterCatalogLayer)layer; } else { throw new Exception("Not an instance of GdbRastaCatalogLayer: " + layer.getClass().toString()); } } /** * Setter for XML document helper. * * @param util The helper for storing map information. */ public void setUtil(MapToXMLUtils util) { this.util = util; } /** * Reads the Layer content. * * @return The layer XML element. */ public Element read() throws IOException { logger.debug("read()"); Element layerElement; try { layerElement = util.addLayer(); } catch(Exception e) { logger.error( "Could not create DOM element for layer." + "Stopped reading layer."); throw new IOException( this.getClass()+toString() + "Error creating dom element"); } try { layerElement.setAttribute("name", layer.getName()); } catch(IOException ioe) { logger.warn( "Could not read layer name. " + "Setting layer name to \"default\"."); layerElement.setAttribute("name", "default"); } try { layerElement.setAttribute("min_scale", String.valueOf(layer.getMinimumScale())); } catch(IOException ioe) { logger.warn( "Could not read minimum layer scale." + "Setting minimum layer scale to 1000"); layerElement.setAttribute("min_scale", "1000"); } try { layerElement.setAttribute("max_scale", String.valueOf(layer.getMaximumScale())); } catch(IOException ioe) { logger.warn( "Could not read maximum layer scale." + "Setting maximum layer scale to 1000000"); layerElement.setAttribute("max_scale", "1000000"); } try { if(layer.isVisible()) { layerElement.setAttribute("status", "on"); } else { layerElement.setAttribute("status", "off"); } } catch(IOException ioe) { logger.warn( "Could not read layer status." + " Setting layer status to \"on\""); layerElement.setAttribute("status", "on"); } try { layerElement.setAttribute("definition_query", layer.getDefinitionExpression()); } catch(IOException ioe) { logger.warn( "Could not read layer definition query." + "Setting empty definition query."); layerElement.setAttribute("definition_query", ""); } return layerElement; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :