/*
* Copyright 2003-2006, 2009, 2017, United States Government, as represented by the Administrator of the
* National Aeronautics and Space Administration. All rights reserved.
*
* The NASAWorldWind/WebWorldWind platform is licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @exports OwsOperationsMetadata
*/
define([
'../../error/ArgumentError',
'../../util/Logger',
'../../ogc/ows/OwsConstraint'
],
function (ArgumentError,
Logger,
OwsConstraint) {
"use strict";
/**
* Constructs an OWS Operations Metadata instance from an XML DOM.
* @alias OwsOperationsMetadata
* @constructor
* @classdesc Represents an OWS Operations Metadata section of an OGC capabilities document.
* This object holds as properties all the fields specified in the OWS Operations Metadata section.
* Most fields can be accessed as properties named according to their document names converted to camel case.
* For example, "operations".
* @param {Element} element An XML DOM element representing the OWS Service Provider section.
* @throws {ArgumentError} If the specified XML DOM element is null or undefined.
*/
var OwsOperationsMetadata = function (element) {
if (!element) {
throw new ArgumentError(
Logger.logMessage(Logger.LEVEL_SEVERE, "OwsOperationsMetadata", "constructor", "missingDomElement"));
}
var children = element.children || element.childNodes;
for (var c = 0; c < children.length; c++) {
var child = children[c];
if (child.localName === "Operation") {
this.operation = this.operation || [];
this.operation.push(OwsOperationsMetadata.assembleOperation(child));
}
// TODO: Parameter, Constraint, ExtendedCapabilities
}
};
/**
* Attempts to find the first OwsOperationsMetadata object named GetCapabilities.
* @returns {OwsOperationsMetadata} if a matching OwsOperationsMetadata object is found, otherwise null.
*/
OwsOperationsMetadata.prototype.getGetCapabilities = function () {
return this.getOperationMetadataByName("GetCapabilities");
};
/**
* Attempts to find the first OwsOperationsMetadata object named GetTile.
* @returns {OwsOperationsMetadata} if a matching OwsOperationsMetadata object is found, otherwise null.
*/
OwsOperationsMetadata.prototype.getGetTile = function () {
return this.getOperationMetadataByName("GetTile");
};
/**
* Searches for the OWS Operations Metadata objects for the operation with a name matching the provided name.
* Returns the first successful match.
* @returns {OwsOperationsMetadata} of a matching name or null if none was found
*/
OwsOperationsMetadata.prototype.getOperationMetadataByName = function (name) {
if (!name) {
throw new ArgumentError(
Logger.logMessage(Logger.LEVEL_SEVERE, "OwsOperationsMetadata", "getOperationsMetadataByName", "missingName"));
}
for (var i = 0; i < this.operation.length; i++) {
if (this.operation[i].name === name) {
return this.operation[i];
}
}
return null;
};
OwsOperationsMetadata.assembleOperation = function (element) {
var operation = {};
operation.name = element.getAttribute("name");
var children = element.children || element.childNodes;
for (var c = 0; c < children.length; c++) {
var child = children[c];
if (child.localName === "DCP") {
operation.dcp = operation.dcp || [];
operation.dcp.push(OwsOperationsMetadata.assembleDcp(child));
}
// TODO: Parameter, Constraint, Metadata
}
return operation;
};
OwsOperationsMetadata.assembleDcp = function (element) {
var dcp = {};
var children = element.children || element.childNodes;
for (var c = 0; c < children.length; c++) {
var child = children[c];
if (child.localName === "HTTP") {
var httpMethods = child.children || child.childNodes;
for (var c2 = 0; c2 < httpMethods.length; c2++) {
var httpMethod = httpMethods[c2];
if (httpMethod.localName === "Get") {
dcp.getMethods = dcp.getMethods || [];
dcp.getMethods.push(OwsOperationsMetadata.assembleMethod(httpMethod));
} else if (httpMethod.localName === "Post") {
dcp.postMethods = dcp.postMethods || [];
dcp.postMethods.push(OwsOperationsMetadata.assembleMethod(httpMethod));
}
}
}
}
return dcp;
};
OwsOperationsMetadata.assembleMethod = function (element) {
var result = {};
result.url = element.getAttribute("xlink:href");
var children = element.children || element.childNodes;
for (var c = 0; c < children.length; c++) {
var child = children[c];
if (child.localName === "Constraint") {
result.constraint = result.constraint || [];
result.constraint.push(new OwsConstraint(child));
}
}
return result;
};
return OwsOperationsMetadata;
});