rrenkert@243: /*
rrenkert@243:  * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de>
rrenkert@243:  *
rrenkert@243:  * This file is part of MXD2map.
rrenkert@243:  *
rrenkert@243:  * This program is free software under the LGPL (>=v2.1)
rrenkert@243:  * Read the file LICENCE.txt coming with the software for details
rrenkert@243:  * or visit http://www.gnu.org/licenses/ if it does not exist.
rrenkert@243:  *
rrenkert@243:  * MXD2map has been developed on behalf of the
rrenkert@243:  * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
rrenkert@243:  * by Intevation GmbH.
rrenkert@243:  *
rrenkert@243:  * Authors:
rrenkert@243:  * Raimund Renkert <raimund.renkert@intevation.de>
rrenkert@243:  * Bjoern Schilberg <bjoern.schilberg@intevation.de>
rrenkert@243:  * Stephan Holl <stephan.holl@intevation.de>
rrenkert@243:  */
rrenkert@243: 
rrenkert@36: package de.intevation.mxd.reader;
rrenkert@36: 
rrenkert@36: import org.apache.log4j.Logger;
rrenkert@36: 
rrenkert@36: import com.esri.arcgis.carto.ILayer;
rrenkert@36: import com.esri.arcgis.carto.GdbRasterCatalogLayer;
raimund@252: import com.esri.arcgis.system.IPropertySet;
raimund@252: import com.esri.arcgis.geodatabase.IWorkspace;
rrenkert@36: 
rrenkert@36: import org.w3c.dom.Element;
rrenkert@117: import java.io.IOException;
rrenkert@36: import de.intevation.mxd.utils.MapToXMLUtils;
rrenkert@36: 
rrenkert@36: /**
rrenkert@43:  * Reads Layer information.
rrenkert@36:  *
rrenkert@36:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
rrenkert@36:  */
rrenkert@43: public class GdbRasterCatalogLayerReader
rrenkert@43: implements ILayerReader {
rrenkert@36: 
rrenkert@36:     /**
rrenkert@36:      * The logger.
rrenkert@36:      */
rrenkert@36:     private static final Logger logger =
rrenkert@36:         Logger.getLogger(GdbRasterCatalogLayerReader.class);
rrenkert@36: 
rrenkert@36:     /**
rrenkert@36:      * Privte member.
rrenkert@36:      */
rrenkert@36:     private GdbRasterCatalogLayer  layer;
rrenkert@36:     private MapToXMLUtils util;
rrenkert@36: 
rrenkert@181:     /**
rrenkert@181:      * Constructor with layer.
rrenkert@181:      *
rrenkert@181:      * @param layer The ArcGIS layer object.
rrenkert@181:      */
rrenkert@36:     public GdbRasterCatalogLayerReader(ILayer layer)
rrenkert@36:     throws Exception {
rrenkert@43:         if(layer instanceof GdbRasterCatalogLayer) {
rrenkert@36:             this.layer = (GdbRasterCatalogLayer)layer;
rrenkert@43:         }
rrenkert@43:         else {
rrenkert@36:             throw new Exception("Not an instance of GdbRastaCatalogLayer: " +
rrenkert@36:                 layer.getClass().toString());
rrenkert@43:         }
rrenkert@36:     }
rrenkert@36: 
rrenkert@36:     /**
rrenkert@36:      * Setter for XML document helper.
rrenkert@36:      *
rrenkert@36:      * @param util The helper for storing map information.
rrenkert@36:      */
rrenkert@43:     public void setUtil(MapToXMLUtils util) {
rrenkert@36:         this.util = util;
rrenkert@36:     }
rrenkert@36: 
rrenkert@36:     /**
rrenkert@36:      * Reads the Layer content.
rrenkert@36:      *
rrenkert@36:      * @return The layer XML element.
rrenkert@36:      */
rrenkert@118:     public Element read()
rrenkert@118:     throws IOException {
rrenkert@36:         logger.debug("read()");
rrenkert@36: 
rrenkert@117:         Element layerElement;
rrenkert@117:         try {
rrenkert@117:             layerElement = util.addLayer();
rrenkert@117:         }
rrenkert@117:         catch(Exception e) {
rrenkert@117:             logger.error(
rrenkert@117:                 "Could not create DOM element for layer." +
rrenkert@117:                 "Stopped reading layer.");
rrenkert@118:             throw new IOException(
rrenkert@135:                 this.getClass().toString() +
rrenkert@118:                 "Error creating dom element");
rrenkert@117:         }
rrenkert@117: 
rrenkert@117:         try {
rrenkert@117:             layerElement.setAttribute("name", layer.getName());
rrenkert@117:         }
rrenkert@117:         catch(IOException ioe) {
rrenkert@135:             logger.warn("Could not read layer name. Stopped reading layer.");
rrenkert@135:             throw new IOException("Error reading layer name.");
rrenkert@117:         }
rrenkert@117: 
rrenkert@117:         try {
rrenkert@117:             layerElement.setAttribute("min_scale",
rrenkert@117:                 String.valueOf(layer.getMinimumScale()));
rrenkert@117:         }
rrenkert@117:         catch(IOException ioe) {
rrenkert@135:             logger.warn("Could not read minimum layer scale.");
rrenkert@117:         }
rrenkert@117: 
rrenkert@117:         try {
rrenkert@117:             layerElement.setAttribute("max_scale",
rrenkert@117:                 String.valueOf(layer.getMaximumScale()));
rrenkert@117:         }
rrenkert@117:         catch(IOException ioe) {
rrenkert@135:             logger.warn("Could not read maximum layer scale.");
rrenkert@117:         }
rrenkert@117: 
rrenkert@117:         try {
rrenkert@117:             if(layer.isVisible()) {
rrenkert@117:                 layerElement.setAttribute("status", "on");
rrenkert@117:             }
rrenkert@117:             else {
rrenkert@117:                 layerElement.setAttribute("status", "off");
rrenkert@117:             }
rrenkert@117:         }
rrenkert@117:         catch(IOException ioe) {
rrenkert@117:             logger.warn(
rrenkert@117:                 "Could not read layer status." +
rrenkert@117:                 " Setting layer status to \"on\"");
rrenkert@36:             layerElement.setAttribute("status", "on");
rrenkert@36:         }
rrenkert@117: 
rrenkert@117:         try {
rrenkert@117:             layerElement.setAttribute("definition_query",
rrenkert@117:                 layer.getDefinitionExpression());
rrenkert@36:         }
rrenkert@117:         catch(IOException ioe) {
rrenkert@117:             logger.warn(
rrenkert@135:                 "Could not read layer definition query.");
rrenkert@117:         }
raimund@252: 
raimund@252:         try {
raimund@252:             layerElement.setAttribute("type", "raster");
raimund@252:             IWorkspace rw = layer.getWorkspace();
raimund@252:             layerElement.setAttribute(
raimund@252:                 "dataset",
raimund@252:                 rw.getDatasetNames(16).next().getName());
raimund@252:             IPropertySet set = rw.getConnectionProperties();
raimund@252:             Object names[] = new Object[set.getCount()];
raimund@252:             Object prop[] = new Object[set.getCount()];
raimund@252:             set.getAllProperties(names, prop);
raimund@252:             layerElement.setAttribute("connection_type", "SDE");
raimund@252:             for(int i = 0; i < names.length; i++) {
raimund@252:                 if(names[i] != null) {
raimund@252:                     String[] prop_names = (String[])names[i];
raimund@252:                     for(int j = 0; j < prop_names.length; j++) {
raimund@252:                         layerElement.setAttribute(
raimund@252:                             prop_names[j].toLowerCase(),
raimund@252:                              set.getProperty(prop_names[j]).toString());
raimund@252:                     }
raimund@252:                 }
raimund@252:             }
raimund@252:         }
raimund@252:         catch(Exception e) {
raimund@252:             e.printStackTrace();
raimund@252:             logger.error(
raimund@252:                 "Could not read layer datasource." +
raimund@252:                 " Stopped reading layer " + layer.getName() + ".");
raimund@252:             util.removeLayer(layerElement);
raimund@252:             return null;
raimund@252:         }
raimund@252: 
rrenkert@36:         return layerElement;
rrenkert@36:     }
rrenkert@36: }
rrenkert@36: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :