aheinecke@301: /*
aheinecke@301:  * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de>
aheinecke@301:  *
aheinecke@301:  * This file is part of MXD2map.
aheinecke@301:  *
aheinecke@301:  * This program is free software under the LGPL (>=v2.1)
aheinecke@301:  * Read the file LICENCE.txt coming with the software for details
aheinecke@301:  * or visit http://www.gnu.org/licenses/ if it does not exist.
aheinecke@301:  *
aheinecke@301:  * MXD2map has been developed on behalf of the
aheinecke@301:  * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
aheinecke@301:  * by Intevation GmbH.
aheinecke@301:  *
aheinecke@301:  * Authors:
aheinecke@301:  * Raimund Renkert <raimund.renkert@intevation.de>
aheinecke@301:  * Bjoern Schilberg <bjoern.schilberg@intevation.de>
aheinecke@301:  * Stephan Holl <stephan.holl@intevation.de>
aheinecke@301:  */
aheinecke@301: 
aheinecke@301: package de.intevation.mxd.reader;
aheinecke@301: 
aheinecke@301: import java.io.IOException;
aheinecke@301: 
aheinecke@301: import org.apache.log4j.Logger;
aheinecke@301: 
aheinecke@301: import com.esri.arcgis.carto.ILayer;
aheinecke@301: import com.esri.arcgis.carto.IFeatureRenderer;
aheinecke@301: import com.esri.arcgis.carto.WMSMapLayer;
aheinecke@301: import com.esri.arcgis.carto.WMSGroupLayer;
aheinecke@301: import com.esri.arcgis.carto.WMSLayer;
aheinecke@301: import com.esri.arcgis.gisclient.IWMSServiceDescription;
aheinecke@301: import com.esri.arcgis.geometry.Envelope;
aheinecke@301: 
aheinecke@301: import org.w3c.dom.Element;
aheinecke@301: 
aheinecke@301: import de.intevation.mxd.utils.MapToXMLUtils;
aheinecke@301: 
aheinecke@301: 
aheinecke@301: /**
aheinecke@301:  * Reads Layer information.
aheinecke@301:  *
aheinecke@301:  * @author <a href="mailto:aheinecke@intevation.de">Andre Heinecke</a>
aheinecke@301:  */
aheinecke@301: public class WMSMapLayerReader {
aheinecke@301: 
aheinecke@301:     /**
aheinecke@301:      * The logger.
aheinecke@301:      */
aheinecke@301:     private static final Logger logger =
aheinecke@301:         Logger.getLogger(FeatureLayerReader.class);
aheinecke@301: 
aheinecke@301:     /**
aheinecke@301:      * Privte member.
aheinecke@301:      */
aheinecke@301:     private WMSMapLayer  layer;
aheinecke@301:     private MapToXMLUtils util;
aheinecke@301:     private int invalidLayerCount;
aheinecke@301: 
aheinecke@301:     /**
aheinecke@301:      * Constructor with layer.
aheinecke@301:      *
aheinecke@301:      * @param layer The ArcGIS layer object.
aheinecke@301:      */
aheinecke@301:     public WMSMapLayerReader(ILayer layer)
aheinecke@301:     throws Exception {
aheinecke@301:         if(layer instanceof WMSMapLayer) {
aheinecke@301:             this.layer = (WMSMapLayer)layer;
aheinecke@301:             invalidLayerCount = 0;
aheinecke@301:         }
aheinecke@301:         else {
aheinecke@301:             throw new Exception("Not an instance of WMSMapLayer: " +
aheinecke@301:                 layer.getClass().toString());
aheinecke@301:         }
aheinecke@301:     }
aheinecke@301: 
aheinecke@301:     /**
aheinecke@301:      * Setter for XML document helper.
aheinecke@301:      *
aheinecke@301:      * @param util The helper for storing map information.
aheinecke@301:      */
aheinecke@301:     public void setUtil(MapToXMLUtils util) {
aheinecke@301:         this.util = util;
aheinecke@301:     }
aheinecke@301: 
aheinecke@301:     /**
aheinecke@301:      * Reads the Layer content.
aheinecke@301:      *
aheinecke@301:      * @return The layer XML element.
aheinecke@301:      */
aheinecke@301:     public Element read(String group)
aheinecke@301:     throws IOException{
aheinecke@301:         logger.debug("read()");
aheinecke@301:         Element layerElement = null;
aheinecke@301:         for(int i = 0; i < layer.getCount();i++) {
aheinecke@301:             try {
aheinecke@301:                 ILayer lay = layer.getLayer(i);
aheinecke@301:                 logger.debug("Stepping down into sublayer " + i + " Name: " + lay.getName());
aheinecke@301:                 logger.debug("Class is: " + lay.getClass().toString());
aheinecke@301:                 if(lay instanceof WMSMapLayer) {
aheinecke@301:                     WMSMapLayerReader lr = new WMSMapLayerReader (lay);
aheinecke@301:                     lr.setUtil(this.util);
aheinecke@301:                     layerElement = lr.read("/" + layer.getName());
aheinecke@301:                 } else if(lay instanceof WMSGroupLayer) {
aheinecke@301:                     WMSGroupLayerReader lr = new WMSGroupLayerReader (lay);
aheinecke@301:                     lr.setUtil(this.util);
aheinecke@301:                     layerElement = lr.read("/" + layer.getName());
aheinecke@301:                 } else if(lay instanceof WMSLayer) {
aheinecke@301:                     WMSLayerReader lr = new WMSLayerReader (lay);
aheinecke@301:                     lr.setUtil(this.util);
aheinecke@301:                     layerElement = lr.read();
aheinecke@301:                 } else {
aheinecke@301:                     logger.error("Sublayer not handled: " + lay.getClass().toString());
aheinecke@301:                 }
aheinecke@301:                 if (layerElement != null) {
aheinecke@301:                     layerElement.setAttribute("group", group + "/" + layer.getName());
aheinecke@301:                 }
aheinecke@301:             }
aheinecke@301:             catch(Exception e) {
aheinecke@301:                 logger.debug(e);
aheinecke@301:                 logger.error("Error reading sublayers. Stop reading: " + layer.getName());
aheinecke@301:             }
aheinecke@301:         }
aheinecke@301:         return layerElement;
aheinecke@301:     }
aheinecke@301: }
aheinecke@301: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :