84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
/**
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* Concrete PostRestDataApiStrategy class
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*
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* Copyright (C) 2017 R-T Specialty, LLC.
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*
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* This file is part of the Liza Data Collection Framework.
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*
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* liza is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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var Class = require( 'easejs' ).Class,
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RestDataApiStrategy = require( './RestDataApiStrategy' ),
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// XXX: decouple (this couples us to the client)!
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HttpDataProxy = require( '../client/proxy/HttpDataProxy' );
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/**
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* Requests data from a RESTful service, POSTing arguments
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*/
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module.exports = Class( 'PostRestDataApiStrategy' )
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.implement( RestDataApiStrategy )
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.extend(
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{
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/**
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* Data proxy used to communicate with the service
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* @type {HttpDataProxy}
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*/
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'private _proxy': null,
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/**
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* Initialize strategy
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*
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* The strategy is independent of any URL; that is, we should not pass the
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* URL here, as the strategy can be re-used for *any* RESTful service.
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*
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* @param {HttpDataProxy} data_proxy proxy to handle all requests
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*/
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__construct: function( data_proxy )
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{
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if ( !( Class.isA( HttpDataProxy, data_proxy ) ) )
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{
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throw Error(
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'Expected HttpDataProxy; given ' + data_proxy
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);
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}
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this._proxy = data_proxy;
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},
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/**
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* Request data from the service
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*
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* @param {string} url service URL
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* @param {Object} data request params
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* @param {function(Object)} callback server response callback
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*
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* @return {RestDataApi} self
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*/
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'public requestData': function( url, data, callback )
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{
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this._proxy.post( url, data, function( retdata )
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{
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callback( retdata );
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} );
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return this;
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}
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} );
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