Mercurial > mxd2map
diff src/java/de/intevation/mxd/reader/WMSLayerReader.java @ 301:2cb2d8eb56ed
Add WMS Support in the Reader classes and
add new Reader classes for WMS Layers
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Wed, 05 Sep 2012 16:19:18 +0200 |
parents | |
children | 5e3a40a84539 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java/de/intevation/mxd/reader/WMSLayerReader.java Wed Sep 05 16:19:18 2012 +0200 @@ -0,0 +1,182 @@ +/* + * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de> + * + * This file is part of MXD2map. + * + * This program is free software under the LGPL (>=v2.1) + * Read the file LICENCE.txt coming with the software for details + * or visit http://www.gnu.org/licenses/ if it does not exist. + * + * MXD2map has been developed on behalf of the + * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg + * by Intevation GmbH. + * + * Authors: + * Raimund Renkert <raimund.renkert@intevation.de> + * Bjoern Schilberg <bjoern.schilberg@intevation.de> + * Stephan Holl <stephan.holl@intevation.de> + */ + +package de.intevation.mxd.reader; + +import java.io.IOException; + +import org.apache.log4j.Logger; + +import com.esri.arcgis.carto.ILayer; +import com.esri.arcgis.carto.IFeatureRenderer; +import com.esri.arcgis.carto.WMSMapLayer; +import com.esri.arcgis.carto.WMSGroupLayer; +import com.esri.arcgis.carto.WMSLayer; +import com.esri.arcgis.gisclient.IWMSServiceDescription; +import com.esri.arcgis.gisclient.IWMSLayerDescription; +import com.esri.arcgis.geometry.Envelope; + +import org.w3c.dom.Element; + +import de.intevation.mxd.utils.MapToXMLUtils; + + +/** + * Reads Layer information. + * + * @author <a href="mailto:aheinecke@intevation.de">Andre Heinecke</a> + */ +public class WMSLayerReader { + + /** + * The logger. + */ + private static final Logger logger = + Logger.getLogger(FeatureLayerReader.class); + + /** + * Privte member. + */ + private WMSLayer layer; + private MapToXMLUtils util; + private int invalidLayerCount; + + /** + * Constructor with layer. + * + * @param layer The ArcGIS layer object. + */ + public WMSLayerReader(ILayer layer) + throws Exception { + if(layer instanceof WMSLayer) { + this.layer = (WMSLayer)layer; + invalidLayerCount = 0; + } + else { + throw new Exception("Not an instance of WMSLayer: " + + 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 = null; + try { + layerElement = util.addLayer(); + } + catch(Exception e) { + logger.error("Failed to create DOM-Element for Layer."); + return null; + } + try { + layerElement.setAttribute("name", layer.getName()); + } + catch(IOException ioe) { + logger.warn( + "Could not read layer name." + + " Stopped reading layer."); + throw new IOException("Error reading layer name."); + } + + try { + layerElement.setAttribute("min_scale", + String.valueOf(layer.getMinimumScale())); + } + catch(IOException ioe) { + logger.warn("Could not read minimum scale."); + } + + try { + layerElement.setAttribute("max_scale", + String.valueOf(layer.getMaximumScale())); + } + catch(IOException ioe) { + logger.warn( + "Could not read maximum scale."); + } + + 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"); + } + + layerElement.setAttribute("connection_type", "WMS"); + + try{ + // Set the WMS Connection parameters + IWMSServiceDescription wmsconn = layer.getWMSServiceDescription(); + + String connectionURL = wmsconn.getBaseURL("GetMap", "Get"); + if (!connectionURL.endsWith("?")) { + connectionURL += "?"; + } + layerElement.setAttribute("connection", connectionURL); + logger.debug(connectionURL); + layerElement.setAttribute("imageType", wmsconn.getImageFormat(0)); + logger.debug(wmsconn.getImageFormat(0)); + if (wmsconn.getSRSCount() > 0) { + layerElement.setAttribute("projection", wmsconn.getSRS(0)); + logger.debug(wmsconn.getSRS(0)); + } + layerElement.setAttribute("wms_server_version", wmsconn.getWMSVersion()); + logger.debug(wmsconn.getWMSVersion()); + } + catch(Exception e) { + logger.debug(e); + logger.error("Error Setting Connection parameters. " + layer.getName()); + } + + try{ + // Set the WMS Layer parameters + IWMSLayerDescription wmslayer = layer.getWMSLayerDescription(); + layerElement.setAttribute("wms_name", wmslayer.getName()); + } + catch(Exception e) { + logger.debug(e); + logger.error("Error Setting Layer parameters. " + layer.getName()); + } + return layerElement; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :