JQuery REST Client. A utility class to consume REST services from client side using JQuery.

jquery.rest.client.js

/*
 * JQuery REST Client
 * Author: Kamran
 * Email: xeus.man@gmail.com
 * 
 * Copyright (C) 2013 Kamran
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and 
 * associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
 * subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial 
 * portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
 * LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

RestClient = function(goptions) {
  this.goptions = goptions;

	var constants = {
		dataType : 'json',
		contentType : 'application/json',
		processData : true,
		timeout : 120000,
		synchronous : false,
		errorRedirect : false
	};

	var doAjax = function(method, gopts, opts) {
		var dt = opts.dataType ? opts.dataType : (gopts.dataType ? gopts.dataType : constants.dataType);

		// redirect on error if HTTP status code matches
		var errorRedirect = opts.errorRedirect ? opts.errorRedirect : (gopts.errorRedirect ? gopts.errorRedirect
				: constants.errorRedirect);
		var errorRedirectCodes = opts.errorRedirectCodes ? opts.errorRedirectCodes : gopts.errorRedirectCodes;
		var errorRedirectUrl = opts.errorRedirectUrl ? opts.errorRedirectUrl : gopts.errorRedirectUrl;

		var errorCallback = opts.error ? opts.error : (gopts.error ? gopts.error : function(req, status, ex) {
		});

		var errorFunction = errorCallback;

		if (errorRedirect) {
			errorFunction = function(req, status, ex) {
				if (jQuery.inArray(req.status, errorRedirectCodes)) {
					window.location.href = errorRedirectUrl;
				} else {
					errorCallback(req);
				}
			};
		}

		$.ajax({
			type : method,
			url : gopts.url.lastIndexOf('/') == gopts.url.length - 1 ? gopts.url + opts.path : gopts.url + '/'
					+ opts.path,
			headers : opts.headers ? opts.headers : (gopts.headers ? gopts.headers : {}),
			data : opts.model ? /^json/i.test(dt) ? JSON.stringify(opts.model) : opts.model : '',
			dataType : dt,
			contentType : opts.contentType ? opts.contentType : (gopts.contentType ? gopts.contentType
					: constants.contentType),
			processData : opts.processData ? opts.processData : (gopts.processData ? gopts.processData
					: constants.processData),
			timeout : opts.timeout ? opts.timeout : (gopts.timeout ? gopts.timeout : constants.timeout),
			success : opts.success ? opts.success : (gopts.success ? gopts.success : function(data) {
			}),
			error : errorFunction,
			complete : opts.complete ? opts.complete : (gopts.complete ? gopts.complete : function() {
			}),
			async : opts.synchronous ? !opts.synchronous : (gopts.synchronous ? !gopts.synchronous
					: !constants.synchronous)
		});
	};

	this.post = function(opts) {
		doAjax('POST', this.goptions, opts);
	};

	this.put = function(opts) {
		doAjax('PUT', this.goptions, opts);
	};

	this.get = function(opts) {
		doAjax('GET', this.goptions, opts);
	};

	this.remove = function(opts) {
		doAjax('DELETE', this.goptions, opts);
	};
};