Cloud Foundry API wrapper built in Javascript for Titanium Framework

cloudfoundryclient.js

function CloudFoundryClient(token,new_target)
{
	var vmc_version="0.3.2";
	var vmc_default_target="http://api.aws.af.cm";
	var vmc_info_path="/info";
	var vmc_global_services_path="/info/services";
	var vmc_global_runtimes_path="/info/runtimes";
	var vmc_resources_path="/resources";
	var vmc_apps_path="/apps";
	var vmc_services_path="/services";
	var vmc_users_path="/users";
	
	var token=token;
	var target=new_target==null ? vmc_default_target : new_target;
	
	var getJson = function(payload)
	{
		return eval('(' + payload + ')');
	}
	
	var rest_call = function(method,url,payload)
	{
		var headers=Array();
		headers["content-type"]="application/json";
		if(token!=null)headers["AUTHORIZATION"]=token;
		
		return http_call(method,url,payload,headers);
	}
	
	var http_call = function(method,url,payload,headers)
	{
		var request = Titanium.Network.createHTTPClient({enableKeepAlive:false});
		request.setTimeout(20000);
	
		request.open(method,url);
		if(headers!=null)
		{
			for(var key in headers)
			{
				var value=headers[key]
				request.setRequestHeader(key,value);
				Ti.API.debug("header: " + key + "=" + value)
			}
		}
		
		if(payload!=null)
		{
			var requestBody = JSON.stringify(payload);
			Ti.API.debug("body: " + requestBody);
			request.send(requestBody);
		}
		else
		{
			request.send();	
		}
		
	
		return request;
	}
	
	var make_call = function(method,url,contents,callback,error_callback)
	{
		var request = rest_call(method,target + url, contents,token);
		
		request.onload = function()
		{
			var response=getJson(request.responseText);
			Ti.API.debug(response);
			
			if(response["code"]==null)
			{
				callback(response);
			}
			else
			{
				Ti.API.error(response);
				error_callback(response);
			}
		}
		
		request.onerror = function(error)
		{
			Ti.API.error(error);
			error_callback(error);
		}
	}
	

	
	this.login = function(user,password,target,callback,error_callback)
	{
		this.token=null;
		this.set_target(target);
		make_call("POST",vmc_users_path+"/"+encodeURIComponent(user)+"/tokens",{password:password},function(response){
			token = response["token"];
			callback();
		},error_callback);
	}
	
	/*
	 * System
	 */
	this.get_version = function()
	{
		return vmc_version;
	}
	
	this.get_token = function()
	{
		return token;
	}

	this.get_target = function()
	{
		return target;	
	}
	
	this.set_target = function(new_target)
	{
		if(new_target!=null) target=new_target;
	}
	
	/*
	 * Target Info
	 */
	this.get_info = function(callback,error_callback)
	{
		make_call("GET",vmc_info_path,null,callback,error_callback);
	}
	
	this.get_services_info = function(callback,error_callback)
	{
		make_call("GET",vmc_glabal_services_path,null,callback,error_callback);
	}
	
	this.get_runtimes_info = function(callback,error_callback)
	{
		make_call("GET",vmc_glabal_runtimes_path,null,callback,error_callback);
	}
	
	/*
	 * Apps
	 */
	this.get_apps = function(callback,error_callback)
	{
		make_call("GET",vmc_apps_path,null,callback,error_callback);
	}
	
	this.create_app = function(name,manifest,callback,error_callback)
	{
		manifest["name"]=name;
		manifest["instances"]=1;
		make_call("POST",vmc_apps_path,manifest,callback,error_callback);
	}
	
	this.update_app = function(name,manfiest,callback,error_callback)
	{
		make_call("PUT",vmc_apps_path + "/" + name,manifest,callback,error_callback);		
	}
	
	this.delete_app = function(name,manfiest,callback,error_callback)
	{
		make_call("DELETE",vmc_apps_path + "/" + name,null,callback,error_callback);		
	}
	
	this.get_app_info = function(app_name,callback,error_callback)
	{
		make_call("GET",vmc_apps_path + "/" + app_name,null,callback,error_callback);
	}
	
	this.get_app_update_info = function(name,callback,error_callback)
	{
		make_call("PUT",vmc_apps_path + "/" + name + "/update",null,callback,error_callback);		
	}
	
	this.get_app_stats = function(name,callback,error_callback)
	{
		make_call("GET",vmc_apps_path + "/" + name + "/stats",null,callback,error_callback);
	}
	
	this.get_app_instances = function(name,callback,error_callback)
	{
		make_call("GET",vmc_apps_path + "/" + name + "/instances",null,callback,error_callback);
	}
	
	this.get_app_crashes = function(name,callback,error_callback)
	{
		make_call("GET",vmc_apps_path + "/" + name + "/crashes" ,null,callback,error_callback);
	}
	
	this.get_app_files = function(name,path,instance,callback,error_callback)
	{
		if(instances==null)instances=0;
		make_call("GET",vmc_apps_path + "/" + name + "/instances/" + instance + "/files/" + path,null,callback,error_callback);
	}
	
	/*
	 * Services
	 */
	
	this.get_services = function(callback,error_callback)
	{
		make_call("GET",vmc_services_path,null,callback,error_callback);
	}

	/*
	 * TODO: the following code hasn't been reviewed or tested. There are more capabilities in the API which are not present here.
	 */

	/*
	this.bind_service = function(service,app_name,callback,error_callback)
	{
		var app=this.app_info(app_name);
		var services = app["services"];
		app["services"].push(service);
		this.update_app(app_name,app,callback,error_callback);
	}
	
	this.unbind_service = function(service,app_name,callback)
	{
		var app=this.app_info(app_name);
		var services = app["services"];
		services.delete(service);
		app["services"]=services;
		this.update_app(app_name,app,callback);
	}*/
}