Kane-Shih/Javascript, ask for HTTP GET through Android

## Javascript, ask for HTTP GET through Android
<html>
<head>
<script type="text/javascript">
// to simulate Android WebView... which exposes itself as "Android" here by addJavascriptInterface()
var Android = {
  Log: function(msg) {
    document.getElementById("log").innerHTML += "Log(" + msg + ")<br/>";
  },

  doHttpGet: function(url, requestCode) {
    document.getElementById("log").innerHTML += "Android.doHttpGet(" + url + ", " + requestCode + ")<br/>";
    if(requestCode === "step one") {
      data = "fake-data-one";
    } else if (requestCode === "step two"){
      data = "fake-data-two";
    }
    onHttpGetDone(requestCode, data);
  },

  onJsParseDone: function(result) {
    document.getElementById("log").innerHTML += "onJsParseDone(" + result + ")";
  }
};

Android.Log("JAVASCRIPT LOADING START");

// request by Android
function parse(url) {
  Android.Log("parse: " + url);

  // ask Android to do HTTP GET in order to avoid NETWORK_ERR: XMLHttpRequest Exception 101
  Android.doHttpGet(url, "step one");
}
Android.Log("function loaded: parse()");

// Android send the HTTP GET result
function onHttpGetDone(requestCode, data) {
  Android.Log("onHttpGetDone - " + requestCode + ", " + data);
  if(requestCode === "step one") {
    Android.Log("do for step one");
    parseForStepOne(data);
  } else if (requestCode === "step two") {
    Android.Log("do for step two");
    parseForStepTwo(data);
  } else {
    Android.Log("unknown request code");
  }
}
Android.Log("function loaded: onHttpGetDone()");

function parseForStepOne(data) {
  Android.Log("parseForStepOne - data:" + data);
  // parsing... find next thing we want to HTTP GET
  Android.doHttpGet("http://url_for_2", "step two");
}
Android.Log("function loaded: parseForStepOne()");

function parseForStepTwo(data) {
  Android.Log("parseForStepTwo - data:" + data);
  // parsing.. if no more HTTP GET is needed and we find the answer

  result = "result_for_" + data;
  Android.onJsParseDone(result);
  // else, we failed
  //Android.onJsParseFailed(result);
}
Android.Log("function loaded: parseForStepTwo()");
Android.Log("JAVASCRIPT LOADING END");
</script>
</head>
<body onload="parse('http://url_for_1');">
  <div id="log">

  </div>
  <div id="data_block">---end---<br/></div>
</body>
</html>
	<html>
	<head>
	<script type="text/javascript">
	// to simulate Android WebView... which exposes itself as "Android" here by addJavascriptInterface()
	var Android = {
	Log: function(msg) {
	document.getElementById("log").innerHTML += "Log(" + msg + ")<br/>";
	},

	doHttpGet: function(url, requestCode) {
	document.getElementById("log").innerHTML += "Android.doHttpGet(" + url + ", " + requestCode + ")<br/>";
	if(requestCode === "step one") {
	data = "fake-data-one";
	} else if (requestCode === "step two"){
	data = "fake-data-two";
	}
	onHttpGetDone(requestCode, data);
	},

	onJsParseDone: function(result) {
	document.getElementById("log").innerHTML += "onJsParseDone(" + result + ")";
	}
	};

	Android.Log("JAVASCRIPT LOADING START");

	// request by Android
	function parse(url) {
	Android.Log("parse: " + url);

	// ask Android to do HTTP GET in order to avoid NETWORK_ERR: XMLHttpRequest Exception 101
	Android.doHttpGet(url, "step one");
	}
	Android.Log("function loaded: parse()");

	// Android send the HTTP GET result
	function onHttpGetDone(requestCode, data) {
	Android.Log("onHttpGetDone - " + requestCode + ", " + data);
	if(requestCode === "step one") {
	Android.Log("do for step one");
	parseForStepOne(data);
	} else if (requestCode === "step two") {
	Android.Log("do for step two");
	parseForStepTwo(data);
	} else {
	Android.Log("unknown request code");
	}
	}
	Android.Log("function loaded: onHttpGetDone()");

	function parseForStepOne(data) {
	Android.Log("parseForStepOne - data:" + data);
	// parsing... find next thing we want to HTTP GET
	Android.doHttpGet("http://url_for_2", "step two");
	}
	Android.Log("function loaded: parseForStepOne()");

	function parseForStepTwo(data) {
	Android.Log("parseForStepTwo - data:" + data);
	// parsing.. if no more HTTP GET is needed and we find the answer

	result = "result_for_" + data;
	Android.onJsParseDone(result);
	// else, we failed
	//Android.onJsParseFailed(result);
	}
	Android.Log("function loaded: parseForStepTwo()");
	Android.Log("JAVASCRIPT LOADING END");
	</script>
	</head>
	<body onload="parse('http://url_for_1');">
	<div id="log">

	</div>
	<div id="data_block">---end---<br/></div>
	</body>
	</html>