TripAPI.java

gistfile1.php

<?php

require_once('BartebussAPI.class.php');

class TripAPI extends BartebussAPI {

	public function __construct(){
		parent::__construct();
	}
	
	public function getTrip($tripID, $tripDate=''){
		if(!is_numeric($tripID))
			return false;

		// Parse out data
		$url = 'http://rp.atb.no/scripts/TravelMagic/TravelMagicWE.dll/turinfo?trip='.$tripID.'&date='.$tripDate;
		$doc = new DOMDocument();
		$doc->loadHTML(utf8_decode($this->curl($url)));
			
		$xpath = new DOMXPath($doc);
		$h1text = trim($xpath->query('//h1/text()[last()]')->item(0)->nodeValue);
		
		$matches = array();
		preg_match("/(\d+) mot (.+?),/i", $h1text, $matches);
		$line = trim($matches[1]);
		$destination = trim($matches[2]);

		// Prepare object
		$trip = array('tripID' => $tripID, 'date' => $tripDate, 'line' => $line, 'destination' => $destination, 'stops' => array());

		$rows = $xpath->query("//div[@id='tm-triplist']//h3");
		for($i=0 ; $i < $rows->length ; $i++){
			$time = $xpath->query('./span/text()', $rows->item($i))->item(0)->nodeValue;
			$destination = trim(str_replace(" (Trondheim)", "", $xpath->query('.//a/text()', $rows->item($i))->item(0)->nodeValue));
			$matches = array();
			$href = $xpath->query('.//a/@href', $rows->item($i))->item(0)->nodeValue;
			preg_match("/from=(\d+)/i", $href, $matches);
			$busstopID = $matches[1];
			$trip['stops'][] = array('time' => $time, 'destination' => $destination, 'busstopID' => $busstopID);
		}
		
		// Return trip data
		return json_encode($trip);
	}

}