Simple Node.js script showing how to retrieve location JSON from PHLAPI

phlapi.js

// Include required modules.
var sys = require('sys');
var http = require('http');
var EventEmitter = require('events').EventEmitter;

// PHLAPI class.
PhlApi = function(host, port, data_set, version) {
	this.host = host;
	this.port = port;
	this.data_set = data_set
	this.version = version || 'v1'
	this.responseBody = '';	
};

PhlApi.prototype = new EventEmitter;

PhlApi.prototype.getLocations =  function(lat1, lon1, lat2, lon2) {

	var self = this;

	var points = new Array(lat1, lon1, lat2, lon2);
	var bbox = '?bbox=' + points.join(",");
	var path = '/' + this.version + '/' + this.data_set + bbox;
	var client = http.createClient(this.port, this.host);
	var request = client.request('GET', path, {'Host': this.host + ':' + this.port, 'Accept': 'application/json'});

	request.end();

	request.on('response', function (response) {
	  response.setEncoding('utf8');
	  self.emit('responseCode', response.statusCode);
	  response.addListener('data', function (chunk) {
		  self.responseBody += chunk;
	  });
	  response.addListener('end', function() {
		  self.emit('responseBody', self.responseBody);
	  });
	});

};

// Create a new PhlApi object.
var libraries = new PhlApi('phlapi.com', 5984, 'phl_libraries');

// Specify bounding box. 
libraries.getLocations('-75.1733961','39.9438813','-75.1433961','39.9738813');

// Add listeners for events emitted from getLocations() method.
libraries.addListener('responseCode', function(code){
	sys.puts('Response code: ' + code);
});

libraries.addListener('responseBody', function(body) {
	sys.puts(body);
	
});