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annotate src/java/de/intevation/mxd/reader/WMSGroupLayerReader.java @ 301:2cb2d8eb56ed

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Add WMS Support in the Reader classes and add new Reader classes for WMS Layers
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 05 Sep 2012 16:19:18 +0200
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1 /*
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2 * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de>
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3 *
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4 * This file is part of MXD2map.
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5 *
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6 * This program is free software under the LGPL (>=v2.1)
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7 * Read the file LICENCE.txt coming with the software for details
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8 * or visit http://www.gnu.org/licenses/ if it does not exist.
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9 *
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10 * MXD2map has been developed on behalf of the
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11 * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
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12 * by Intevation GmbH.
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13 *
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14 * Authors:
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15 * Raimund Renkert <raimund.renkert@intevation.de>
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16 * Bjoern Schilberg <bjoern.schilberg@intevation.de>
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17 * Stephan Holl <stephan.holl@intevation.de>
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18 */
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19
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20 package de.intevation.mxd.reader;
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21
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22 import java.io.IOException;
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23
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24 import org.apache.log4j.Logger;
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25
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26 import com.esri.arcgis.carto.ILayer;
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27 import com.esri.arcgis.carto.IFeatureRenderer;
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28 import com.esri.arcgis.carto.WMSMapLayer;
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29 import com.esri.arcgis.carto.WMSGroupLayer;
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30 import com.esri.arcgis.carto.WMSLayer;
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31 import com.esri.arcgis.gisclient.IWMSServiceDescription;
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32 import com.esri.arcgis.geometry.Envelope;
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33
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34 import org.w3c.dom.Element;
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35
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36 import de.intevation.mxd.utils.MapToXMLUtils;
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37
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38
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39 /**
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40 * Reads Layer information.
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41 *
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42 * @author <a href="mailto:aheinecke@intevation.de">Andre Heinecke</a>
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43 */
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44 public class WMSGroupLayerReader {
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45
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46 /**
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47 * The logger.
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48 */
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49 private static final Logger logger =
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50 Logger.getLogger(FeatureLayerReader.class);
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51
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52 /**
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53 * Privte member.
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54 */
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55 private WMSGroupLayer layer;
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56 private MapToXMLUtils util;
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57 private int invalidLayerCount;
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58
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59 /**
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60 * Constructor with layer.
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61 *
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62 * @param layer The ArcGIS layer object.
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63 */
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64 public WMSGroupLayerReader(ILayer layer)
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65 throws Exception {
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66 if(layer instanceof WMSGroupLayer) {
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67 this.layer = (WMSGroupLayer)layer;
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68 invalidLayerCount = 0;
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69 }
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70 else {
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71 throw new Exception("Not an instance of WMSGroupLayer: " +
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72 layer.getClass().toString());
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73 }
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74 }
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75
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76 /**
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77 * Setter for XML document helper.
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78 *
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79 * @param util The helper for storing map information.
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80 */
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81 public void setUtil(MapToXMLUtils util) {
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82 this.util = util;
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83 }
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84
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85 /**
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86 * Reads the Layer content.
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87 *
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88 * @return The layer XML element.
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89 */
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90 public Element read(String group)
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91 throws IOException{
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92 logger.debug("read()");
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93 Element layerElement = null;
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94 for(int i = 0; i < layer.getCount();i++) {
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95 try {
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96 ILayer lay = layer.getLayer(i);
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97 logger.debug("Reading sublayer " + i + " Name: " + lay.getName());
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98 if(lay instanceof WMSMapLayer) {
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99 WMSMapLayerReader lr = new WMSMapLayerReader (lay);
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100 lr.setUtil(this.util);
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101 layerElement = lr.read("/" + layer.getName());
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102 } else if(lay instanceof WMSGroupLayer) {
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103 WMSGroupLayerReader lr = new WMSGroupLayerReader (lay);
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104 lr.setUtil(this.util);
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105 layerElement = lr.read("/" + layer.getName());
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106 } else if(lay instanceof WMSLayer) {
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107 WMSLayerReader lr = new WMSLayerReader (lay);
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108 lr.setUtil(this.util);
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109 layerElement = lr.read();
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110 } else {
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111 logger.error("Sublayer not handled: " + lay.getClass().toString());
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112 }
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113 if (layerElement != null) {
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114 layerElement.setAttribute("group", group + "/" + layer.getName());
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115 }
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116 }
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117 catch(Exception e) {
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118 logger.debug(e);
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119 logger.error("Error reading sublayers. Stop reading: " + layer.getName());
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120 }
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121 }
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122 return layerElement;
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123 }
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124 }
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125 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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