vc11884admin@148: package de.intevation.mxd.reader;
vc11884admin@148: 
vc11884admin@148: import java.io.IOException;
vc11884admin@148: 
vc11884admin@148: import org.apache.log4j.Logger;
vc11884admin@148: 
vc11884admin@148: import com.esri.arcgis.carto.ILayer;
vc11884admin@148: import com.esri.arcgis.carto.FeatureLayer;
vc11884admin@148: import com.esri.arcgis.carto.GdbRasterCatalogLayer;
vc11884admin@148: import com.esri.arcgis.carto.IFeatureRenderer;
vc11884admin@148: import com.esri.arcgis.carto.SimpleRenderer;
vc11884admin@148: import com.esri.arcgis.carto.ClassBreaksRenderer;
vc11884admin@148: import com.esri.arcgis.carto.UniqueValueRenderer;
vc11884admin@148: import com.esri.arcgis.carto.GroupLayer;
vc11884admin@148: 
vc11884admin@148: import org.w3c.dom.Document;
vc11884admin@148: import org.w3c.dom.Element;
vc11884admin@148: 
vc11884admin@148: import de.intevation.mxd.ArcGISInitializer;
vc11884admin@148: import de.intevation.mxd.utils.MapToXMLUtils;
vc11884admin@148: 
vc11884admin@148: 
vc11884admin@148: /**
vc11884admin@148:  * Reads Layer information.
vc11884admin@148:  *
vc11884admin@148:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
vc11884admin@148:  */
vc11884admin@148: public class GroupLayerReader
vc11884admin@148: implements ILayerReader {
vc11884admin@148: 
vc11884admin@148:     /**
vc11884admin@148:      * The logger.
vc11884admin@148:      */
vc11884admin@148:     private static final Logger logger =
vc11884admin@148:         Logger.getLogger(FeatureLayerReader.class);
vc11884admin@148: 
vc11884admin@148:     /**
vc11884admin@148:      * Privte member.
vc11884admin@148:      */
vc11884admin@148:     private GroupLayer  layer;
vc11884admin@148:     private MapToXMLUtils util;
vc11884admin@148:     private int invalidLayerCount;
vc11884admin@148: 
vc11884admin@148:     public GroupLayerReader(ILayer layer)
vc11884admin@148:     throws Exception {
vc11884admin@148:         if(layer instanceof GroupLayer) {
vc11884admin@148:             this.layer = (GroupLayer)layer;
vc11884admin@148:             invalidLayerCount = 0;
vc11884admin@148:         }
vc11884admin@148:         else {
vc11884admin@148:             throw new Exception("Not an instance of GroupLayer: " +
vc11884admin@148:                 layer.getClass().toString());
vc11884admin@148:         }
vc11884admin@148:     }
vc11884admin@148: 
vc11884admin@148:     /**
vc11884admin@148:      * Setter for XML document helper.
vc11884admin@148:      *
vc11884admin@148:      * @param util The helper for storing map information.
vc11884admin@148:      */
vc11884admin@148:     public void setUtil(MapToXMLUtils util) {
vc11884admin@148:         this.util = util;
vc11884admin@148:     }
vc11884admin@148: 
vc11884admin@148:     /**
vc11884admin@148:      * Reads the Layer content.
vc11884admin@148:      *
vc11884admin@148:      * @return The layer XML element.
vc11884admin@148:      */
vc11884admin@148:     public Element read()
vc11884admin@148:     throws IOException{
vc11884admin@148:         logger.debug("read()");
vc11884admin@148: 	Element layerElement = null;
vc11884admin@148:         for(int i = 0; i < layer.getCount();i++) {
vc11884admin@148:             ILayer lay = layer.getLayer(i);
vc11884admin@148:             try {
vc11884admin@148:                 if (lay instanceof FeatureLayer) {
vc11884admin@148:                     FeatureLayerReader lr = new FeatureLayerReader(lay);
vc11884admin@148:                     lr.setUtil(util);
vc11884admin@148:                     layerElement = lr.read();
vc11884admin@148:                     if (layerElement == null) {
vc11884admin@148:                         continue;
vc11884admin@148:                     }
vc11884admin@148: 		    layerElement.setAttribute("group", layer.getName());
vc11884admin@148:                     IFeatureRenderer renderer =
vc11884admin@148:                         ((FeatureLayer)lay).getRenderer();
vc11884admin@148:                     IRendererReader rreader;
vc11884admin@148:                     if(renderer instanceof SimpleRenderer) {
vc11884admin@148:                         rreader = new SimpleRendererReader(renderer);
vc11884admin@148:                         rreader.setParent(layerElement);
vc11884admin@148:                         rreader.setUtil(util);
vc11884admin@148:                         rreader.read();
vc11884admin@148:                     }
vc11884admin@148:                     else if(renderer instanceof ClassBreaksRenderer) {
vc11884admin@148:                         rreader = new ClassBreakRendererReader(renderer);
vc11884admin@148:                         rreader.setParent(layerElement);
vc11884admin@148:                         rreader.setUtil(util);
vc11884admin@148:                         rreader.read();
vc11884admin@148:                     }
vc11884admin@148:                     else if(renderer instanceof UniqueValueRenderer) {
vc11884admin@148:                         rreader = new UniqueValueRendererReader(renderer);
vc11884admin@148:                         rreader.setParent(layerElement);
vc11884admin@148:                         rreader.setUtil(util);
vc11884admin@148:                         rreader.read();
vc11884admin@148:                     }
vc11884admin@148:                     else{
vc11884admin@148:                         logger.debug("Not a known renderer type " +
vc11884admin@148:                                      renderer.getClass().toString());
vc11884admin@148:                     }
vc11884admin@148:                 }
vc11884admin@148:                 else if(lay instanceof GdbRasterCatalogLayer) {
vc11884admin@148:                     GdbRasterCatalogLayerReader gclr =
vc11884admin@148:                         new GdbRasterCatalogLayerReader(lay);
vc11884admin@148:                     gclr.setUtil(util);
vc11884admin@148:                     layerElement = gclr.read();
vc11884admin@148: 		    layerElement.setAttribute("group", layer.getName());
vc11884admin@148:                     IFeatureRenderer renderer =
vc11884admin@148:                         ((GdbRasterCatalogLayer)lay).getRenderer();
vc11884admin@148:                     IRendererReader rreader;
vc11884admin@148:                     if(renderer instanceof SimpleRenderer) {
vc11884admin@148:                         rreader = new SimpleRendererReader(renderer);
vc11884admin@148:                         rreader.setParent(layerElement);
vc11884admin@148:                         rreader.setUtil(util);
vc11884admin@148:                         rreader.read();
vc11884admin@148:                     }
vc11884admin@148:                     else if(renderer instanceof ClassBreaksRenderer) {
vc11884admin@148:                         rreader = new ClassBreakRendererReader(renderer);
vc11884admin@148:                         rreader.setParent(layerElement);
vc11884admin@148:                         rreader.setUtil(util);
vc11884admin@148:                         rreader.read();
vc11884admin@148:                     }
vc11884admin@148:                     else if(renderer instanceof UniqueValueRenderer) {
vc11884admin@148:                         rreader = new UniqueValueRendererReader(renderer);
vc11884admin@148:                         rreader.setParent(layerElement);
vc11884admin@148:                         rreader.setUtil(util);
vc11884admin@148:                         rreader.read();
vc11884admin@148:                     }
vc11884admin@148:                     else {
vc11884admin@148:                         logger.debug("Not a known renderer type " +
vc11884admin@148:                                      renderer.getClass().toString());
vc11884admin@148:                     }
vc11884admin@148:                 }
vc11884admin@148: 	    }
vc11884admin@148: 	    catch(Exception e) {
vc11884admin@148: 	        invalidLayerCount++;
vc11884admin@148:                 if(i == 0 && (i + 1) == layer.getCount() ||
vc11884admin@148:                     invalidLayerCount == layer.getCount()) {
vc11884admin@148:                     throw new IOException(
vc11884admin@148:                         "No valid layer in MXD file." +
vc11884admin@148:                         " Aborting.");
vc11884admin@148:                 }
vc11884admin@148: 	    }
vc11884admin@148: 	}
vc11884admin@148: 	return layerElement;
vc11884admin@148:     }
vc11884admin@148: }
vc11884admin@148: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :