1 | /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for |
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2 | * full list of contributors). Published under the Clear BSD license. |
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3 | * See http://svn.openlayers.org/trunk/openlayers/license.txt for the |
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4 | * full text of the license. */ |
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5 | |
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6 | /** |
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7 | * @requires OpenLayers/Format/WMSDescribeLayer.js |
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8 | */ |
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9 | |
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10 | /** |
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11 | * Class: OpenLayers.Format.WMSDescribeLayer.v1_1 |
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12 | * Read SLD WMS DescribeLayer response for WMS 1.1.X |
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13 | * WMS 1.1.X is tightly coupled to SLD 1.0.0 |
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14 | * |
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15 | * Example DescribeLayer request: |
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16 | * http://demo.opengeo.org/geoserver/wms?request=DescribeLayer&version=1.1.1&layers=topp:states |
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17 | * |
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18 | * Inherits from: |
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19 | * - <OpenLayers.Format.WMSDescribeLayer> |
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20 | */ |
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21 | OpenLayers.Format.WMSDescribeLayer.v1_1 = OpenLayers.Class( |
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22 | OpenLayers.Format.WMSDescribeLayer, { |
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23 | |
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24 | /** |
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25 | * Constructor: OpenLayers.Format.WMSDescribeLayer |
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26 | * Create a new parser for WMS DescribeLayer responses. |
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27 | * |
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28 | * Parameters: |
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29 | * options - {Object} An optional object whose properties will be set on |
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30 | * this instance. |
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31 | */ |
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32 | initialize: function(options) { |
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33 | OpenLayers.Format.WMSDescribeLayer.prototype.initialize.apply(this, |
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34 | [options]); |
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35 | }, |
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36 | |
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37 | /** |
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38 | * APIMethod: read |
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39 | * Read DescribeLayer data from a string, and return the response. |
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40 | * The OGC defines 2 formats which are allowed for output, |
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41 | * so we need to parse these 2 types for version 1.1.X |
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42 | * |
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43 | * Parameters: |
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44 | * data - {String} or {DOMElement} data to read/parse. |
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45 | * |
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46 | * Returns: |
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47 | * {Array} Array of {<LayerDescription>} objects which have: |
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48 | * - {String} owsType: WFS/WCS |
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49 | * - {String} owsURL: the online resource |
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50 | * - {String} typeName: the name of the typename on the service |
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51 | */ |
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52 | read: function(data) { |
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53 | if(typeof data == "string") { |
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54 | data = OpenLayers.Format.XML.prototype.read.apply(this, [data]); |
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55 | } |
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56 | var root = data.documentElement; |
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57 | var children = root.childNodes; |
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58 | var describelayer = []; |
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59 | var childNode, nodeName; |
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60 | for(var i=0; i<children.length; ++i) { |
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61 | childNode = children[i]; |
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62 | nodeName = childNode.nodeName; |
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63 | if (nodeName == 'LayerDescription') { |
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64 | var layerName = childNode.getAttribute('name'); |
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65 | var owsType = ''; |
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66 | var owsURL = ''; |
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67 | var typeName = ''; |
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68 | // check for owsType and owsURL attributes |
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69 | if (childNode.getAttribute('owsType')) { |
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70 | owsType = childNode.getAttribute('owsType'); |
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71 | owsURL = childNode.getAttribute('owsURL'); |
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72 | } else { |
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73 | // look for wfs or wcs attribute |
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74 | if (childNode.getAttribute('wfs') != '') { |
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75 | owsType = 'WFS'; |
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76 | owsURL = childNode.getAttribute('wfs'); |
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77 | } else if (childNode.getAttribute('wcs') != '') { |
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78 | owsType = 'WCS'; |
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79 | owsURL = childNode.getAttribute('wcs'); |
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80 | } |
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81 | } |
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82 | // look for Query child |
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83 | var query = childNode.getElementsByTagName('Query'); |
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84 | if(query.length > 0) { |
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85 | typeName = query[0].getAttribute('typeName'); |
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86 | if (!typeName) { |
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87 | // because of Ionic bug |
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88 | typeName = query[0].getAttribute('typename'); |
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89 | } |
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90 | } |
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91 | describelayer.push({layerName: layerName, owsType: owsType, |
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92 | owsURL: owsURL, typeName: typeName}); |
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93 | } |
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94 | } |
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95 | return describelayer; |
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96 | }, |
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97 | |
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98 | CLASS_NAME: "OpenLayers.Format.WMSDescribeLayer.v1_1" |
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99 | |
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100 | }); |
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