view src/java/de/intevation/mxd/reader/WMSGroupLayerReader.java @ 346:ab4e4c4b83c9

Add Install_Linux.txt with all my notes from the installtion this file should be cleaned for publishing
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 16 Nov 2012 17:02:07 +0100
parents 2cb2d8eb56ed
children
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/*
 * 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.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 WMSGroupLayerReader {

    /**
     * The logger.
     */
    private static final Logger logger =
        Logger.getLogger(FeatureLayerReader.class);

    /**
     * Privte member.
     */
    private WMSGroupLayer  layer;
    private MapToXMLUtils util;
    private int invalidLayerCount;

    /**
     * Constructor with layer.
     *
     * @param layer The ArcGIS layer object.
     */
    public WMSGroupLayerReader(ILayer layer)
    throws Exception {
        if(layer instanceof WMSGroupLayer) {
            this.layer = (WMSGroupLayer)layer;
            invalidLayerCount = 0;
        }
        else {
            throw new Exception("Not an instance of WMSGroupLayer: " +
                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(String group)
    throws IOException{
        logger.debug("read()");
        Element layerElement = null;
        for(int i = 0; i < layer.getCount();i++) {
            try {
                ILayer lay = layer.getLayer(i);
                logger.debug("Reading sublayer " + i + " Name: " + lay.getName());
                if(lay instanceof WMSMapLayer) {
                    WMSMapLayerReader lr = new WMSMapLayerReader (lay);
                    lr.setUtil(this.util);
                    layerElement = lr.read("/" + layer.getName());
                } else if(lay instanceof WMSGroupLayer) {
                    WMSGroupLayerReader lr = new WMSGroupLayerReader (lay);
                    lr.setUtil(this.util);
                    layerElement = lr.read("/" + layer.getName());
                }  else if(lay instanceof WMSLayer) {
                    WMSLayerReader lr = new WMSLayerReader (lay);
                    lr.setUtil(this.util);
                    layerElement = lr.read();
                } else {
                    logger.error("Sublayer not handled: " + lay.getClass().toString());
                }
                if (layerElement != null) {
                    layerElement.setAttribute("group", group + "/" + layer.getName());
                }
            }
            catch(Exception e) {
                logger.debug(e);
                logger.error("Error reading sublayers. Stop reading: " + layer.getName());
            }
        }
        return layerElement;
    }
}
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