1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for * full list of contributors). Published under the Clear BSD license. * See http://svn.openlayers.org/trunk/openlayers/license.txt for the * full text of the license. */ /** * @requires OpenLayers/Format/XML.js * @requires OpenLayers/Filter/FeatureId.js * @requires OpenLayers/Filter/Logical.js * @requires OpenLayers/Filter/Comparison.js */ /** * Class: OpenLayers.Format.Filter * Read/Wite ogc:Filter. Create a new instance with the <OpenLayers.Format.Filter> * constructor. * * Inherits from: * - <OpenLayers.Format.XML> */ OpenLayers.Format.Filter = OpenLayers.Class(OpenLayers.Format.XML, { /** * APIProperty: defaultVersion * {String} Version number to assume if none found. Default is "1.0.0". */ defaultVersion: "1.0.0", /** * APIProperty: version * {String} Specify a version string if one is known. */ version: null, /** * Property: parser * {Object} Instance of the versioned parser. Cached for multiple read and * write calls of the same version. */ parser: null, /** * Constructor: OpenLayers.Format.Filter * Create a new parser for Filter. * * Parameters: * options - {Object} An optional object whose properties will be set on * this instance. */ initialize: function(options) { OpenLayers.Format.XML.prototype.initialize.apply(this, [options]); }, /** * APIMethod: write * Write an ogc:Filter given a filter object. * * Parameters: * filter - {<OpenLayers.Filter>} An filter. * options - {Object} Optional configuration object. * * Returns: * {Elment} An ogc:Filter element node. */ write: function(filter, options) { var version = (options && options.version) || this.version || this.defaultVersion; if(!this.parser || this.parser.VERSION != version) { var format = OpenLayers.Format.Filter[ "v" + version.replace(/\./g, "_") ]; if(!format) { throw "Can't find a Filter parser for version " + version; } this.parser = new format(this.options); } return this.parser.write(filter); //return OpenLayers.Format.XML.prototype.write.apply(this, [root]); }, /** * APIMethod: read * Read and Filter doc and return an object representing the Filter. * * Parameters: * data - {String | DOMElement} Data to read. * * Returns: * {<OpenLayers.Filter>} A filter object. */ read: function(data) { if(typeof data == "string") { data = OpenLayers.Format.XML.prototype.read.apply(this, [data]); } var version = this.version; if(!version) { version = this.defaultVersion; } if(!this.parser || this.parser.VERSION != version) { var format = OpenLayers.Format.Filter[ "v" + version.replace(/\./g, "_") ]; if(!format) { throw "Can't find a Filter parser for version " + version; } this.parser = new format(this.options); } var filter = this.parser.read(data); return filter; }, CLASS_NAME: "OpenLayers.Format.Filter" }); |