mbtaRoutes.go

// mbtaRoutes.go - fetches all of the Routes from MBTA; can pull by route type.
// usage:
//  mbtaRoutes.go -typeid=<numerical route_type ID>
//
package main

import (
    "MBTA"
    "encoding/json"
    "flag"
    "fmt"
    "os"
)

var apikey string
var apiurl string
var format string
var typeid int

// init - initializes flag variables.
func init() {
    flag.StringVar(&apikey, "apikey", "wX9NwuHnZU2ToO7GmGR9uw", "Set MBTA API Route Key")
    flag.StringVar(&apiurl, "apiurl", "http://realtime.mbta.com/developer/api/v2/", "URL of the MBTA API to be used.")
    flag.StringVar(&format, "format", "json", "Specify if you would like a different return type -- default is JSON")
    flag.IntVar(&typeid, "typeid", 9999, "Numerical route type ID to ask for a listing of all routes fora specific route type from MBTA.")
}

// check - an error checking function
func check(e error) {
    if e != nil {
        panic(e)
    }
}

func main() {
    flag.Parse()
    c := gombta.Client{APIKey: apikey, URL: apiurl}

    // get a list of routes by type
    d, err := c.GetRoutes(format)

    check(err)
    j, err := json.MarshalIndent(d, "", " ")
    fmt.Printf("RouteTypes: ")
    os.Stdout.Write(j)
}