rrenkert@33: package de.intevation.mxd.reader;
rrenkert@25: 
rrenkert@25: import java.io.IOException;
rrenkert@25: 
rrenkert@25: import org.apache.log4j.Logger;
rrenkert@25: 
rrenkert@25: import com.esri.arcgis.carto.ILayer;
rrenkert@25: import com.esri.arcgis.carto.FeatureLayer;
rrenkert@42: import com.esri.arcgis.geodatabase.FeatureClassName;
rrenkert@42: import com.esri.arcgis.system.IName;
rrenkert@29: 
rrenkert@29: import org.w3c.dom.Element;
rrenkert@29: 
rrenkert@33: import de.intevation.mxd.utils.MapToXMLUtils;
rrenkert@33: 
rrenkert@25: /**
rrenkert@25:  * Reads Layer information..
rrenkert@25:  *
rrenkert@25:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
rrenkert@25:  */
rrenkert@25: public class FeatureLayerReader implements ILayerReader{
rrenkert@25: 
rrenkert@31:     /**
rrenkert@31:      * The logger.
rrenkert@31:      */
rrenkert@31:     private static final Logger logger =
rrenkert@31:         Logger.getLogger(FeatureLayerReader.class);
rrenkert@25: 
rrenkert@31:     /**
rrenkert@31:      * Privte member.
rrenkert@31:      */
rrenkert@29:     private FeatureLayer  layer;
rrenkert@31:     private MapToXMLUtils util;
rrenkert@25: 
rrenkert@31: 
rrenkert@31:     public FeatureLayerReader(ILayer layer)
rrenkert@31:     throws Exception {
rrenkert@29:         if(layer instanceof FeatureLayer)
rrenkert@29:             this.layer = (FeatureLayer)layer;
rrenkert@29:         else
rrenkert@29:             throw new Exception("Not an instance of FeatureLayer: " +
rrenkert@31:                 layer.getClass().toString());
rrenkert@25:     }
rrenkert@25: 
rrenkert@25:     /**
rrenkert@31:      * Setter for XML document helper.
rrenkert@31:      *
rrenkert@31:      * @param util The helper for storing map information.
rrenkert@29:      */
rrenkert@31:     public void setUtil(MapToXMLUtils util){
rrenkert@31:         this.util = util;
rrenkert@29:     }
rrenkert@29: 
rrenkert@29:     /**
rrenkert@25:      * Reads the Layer content.
rrenkert@31:      *
rrenkert@31:      * @return The layer XML element.
rrenkert@25:      */
rrenkert@31:     public Element read()
rrenkert@31:     throws IOException {
rrenkert@25:         logger.debug("read()");
rrenkert@31:         Element layerElement;
rrenkert@31:         try {
rrenkert@31:             layerElement = util.addLayer();
rrenkert@31:         }
rrenkert@31:         catch(Exception e) {
rrenkert@31:             e.printStackTrace();
rrenkert@31:             return null;
rrenkert@31:         }
rrenkert@25: 
rrenkert@31:         layerElement.setAttribute("name", layer.getName());
rrenkert@31:         layerElement.setAttribute("min_scale",
rrenkert@31:             String.valueOf(layer.getMinimumScale()));
rrenkert@31:         layerElement.setAttribute("max_scale",
rrenkert@31:             String.valueOf(layer.getMaximumScale()));
rrenkert@31:         if(layer.isVisible()) {
rrenkert@31:             layerElement.setAttribute("status", "on");
rrenkert@25:         }
rrenkert@31:         else {
rrenkert@31:             layerElement.setAttribute("status", "off");
rrenkert@25:         }
rrenkert@25: 
rrenkert@40:         int type = layer.getShapeType();
rrenkert@40:         switch (type) {
rrenkert@40:             case 0: layerElement.setAttribute("type", "none");
rrenkert@40:             case 1: layerElement.setAttribute("type", "point");
rrenkert@40:         }
rrenkert@40: 
rrenkert@31:         layerElement.setAttribute("definition_query",
rrenkert@31:             layer.getDefinitionExpression());
rrenkert@42:         IName fcn = layer.getDataSourceName();
rrenkert@42:         if(fcn instanceof FeatureClassName) {
rrenkert@42:             FeatureClassName name = (FeatureClassName)fcn;
rrenkert@42:             layerElement.setAttribute("data_source", name.getName());
rrenkert@42:         }
rrenkert@31: 
rrenkert@31:         return layerElement;
rrenkert@25:     }
rrenkert@25: }
rrenkert@25: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :