a simple little question. I have an xml file and im putting this xml file in an XML object
var receivedXML:XML
In some function, I have:
var xmlList:XMLList = new XMLList();
xmlList = receivedXML.some.attributes.here;
object.functionDoStuff = xmlList;
The function functionDoStuff takes xmlList as its argument:
function functionDoStuff(xmlList:XMLList) {}
When does receivedXML get parsed, is it when we assign it to xmlList, or is it when it gets used in the next instruction by the function functionDoStuff?
It isn't parsed at either point. It is parsed when receivedXML was created. After that point it is an 'object' and not XML.
Related
I was trying to use the method found here (see most up-voted answer):
Google Apps Script Fastest way to find a row?
I currently use this while it does work I wanted to try the above linked method yet when I replace the below code
function AutoPopulate (evalue)
{
//uses google drive file irretator reads in JSON file and parses it to a Javascript object that we can work with
var iter = DriveApp.getFilesByName("units.json");
// iterate through all the files named units.json
while (iter.hasNext()) {
// define a File object variable and set the Media Tyep
var file = iter.next();
var jsonFile = file.getBlob().getDataAsString();
// log the contents of the file
//Logger.log(jsonFile);
}
var UnitDatabase = JSON.parse(jsonFile);
//Logger.log(UnitDatabase);
//Logger.log(UnitDatabase[1027]);
return UnitDatabase[evalue];
}
WITH THIS CODE:
function AutoPopulate (evalue)
{
//this method did not work for me but should have according to stackflow answer linked above I am trying to understand why or how I can find out why it may have thrown an error
var jsonFile = DriveApp.getFilesByName("units.json").next(),
UnitDatabase = UnitDatabase.getBlob().getDataAsString();
return UnitDatabase[evalue];
}
I get an error in the excecution indicating that there is a % at postion 0 in the JSON, between the methods I dont alter the JSON file in anyway so I dont understand why does the top method work but the bottom one does not?
For further information the idea behind the code is that I have a list of Unit numbers and model numbers that are in a spreadsheet. I then convert this to a JSON file, this however is only done when a new unit is added to the fleet. As I learned one can parse a whole JSON file into a javascript object which makes working with the data set much faster. This javascript object is used so that when a user enters a UNIT# the MODEL# is auto populated based on the JSON file.
I cannot share the JSON file as it contains client information.
Your code does not work for two reasons:
You have a typo in the line UnitDatabase = UnitDatabase.getBlob()... - it should be UnitDatabase = jsonFile.getBlob()...
If you want to retrieve a nested object from a json file - you need to parse the JSOn - otherwise it is considered a string and you can not access the nested structure
Modified working code:
function AutoPopulate2 (evalue)
{
var jsonFile = DriveApp.getFilesByName("units.json").next();
var UnitDatabase = JSON.parse(jsonFile.getBlob().getDataAsString());
return UnitDatabase[evalue];
}
Mind that this code will only work if you have a "units.json" file on your drive and if evalue is a valid 1st-level nested object of this json.
I have a streaming source that produces many JSON objects without separators (or only whitespace in between). If I pass that to json4s parse function, it only produces AST for the first object.
As a workaround, I could parse it manually and either turn it into a JSON array by adding brackets and commas as appropriate or chunk it and call parse on each chunk.
However, this is a rather common format, so I'm sure the problem is already solved. I just cannot find the API for it in json4s documentation.
If you reading it from an InputStream, then use BufferedInputStream wrapper with mark(), read() and reset() calls to skip whitespace(s) between parse() call:
val in = new BufferedInputStream(new FileInputStream("/tmp/your.json"))
try {
var continue = true
in.mark(1)
do {
in.reset()
// <-- here should be call for parse
// skip white spaces or exit if EOF found
var b = 0
do {
in.mark(1)
b = in.read()
if (b < 0) continue = false
} while (Character.isWhitespace(b))
} while (continue)
} finally in.close()
EDIT: Today I have released 0.11.0 version of jsoniter-scala with new ability to parse streaming JSON values or JSON arrays w/o need to hold all values in memory.
I have a JSON file that contains what I believe to be a correct JSON string:
{"title": "exampleTitle", "tipTitle": "exampleTipTitle", "tip": "exampleTip"}
I'm trying to parse said file and take out the 3 values then store them in variables, however currently, it parses each individual character as a separate object, therefore:
JSONobj[1] = "
and so on. Assuming that currentLocation = the directory location of the json file.
Code
var jsonLocation = currentLocation + "json.txt";
var request = new XMLHttpRequest();
request.open("GET", jsonLocation, false);
request.send(null);
var returnValue = request.responseText;
var JSONobj = JSON.parse(JSON.stringify(returnValue));
var headerTitle = JSONobj[0];
A few clarifications, the stringify is in because it was throwing an unexpected token error. I've tried changing the file tile to .json instead but that also makes no difference. "It also gives off a XMLHttpRequest on the main thread is deprecated" but I'm not particularly sure how to solve that issue. Any help would be appreciated.
var returnValue = request.responseText;
Here returnValue is a string of JSON.
"{\"title\": \"exampleTitle\", \"tipTitle\": \"exampleTipTitle\", \"tip\": \"exampleTip\"}
var JSONobj = JSON.parse(JSON.stringify(returnValue));
Here you convert the string of JSON to JSON. So you have a JSON string representing a string, and that string is a representation of a data structure in JSON.
"\"{\\"title\\": \\"exampleTitle\\", \\"tipTitle\\": \\"exampleTipTitle\\", \\"tip\\": \\"exampleTip\\"}"
Then you parse it and convert it back to the original string of JSON.
"{\"title\": \"exampleTitle\", \"tipTitle\": \"exampleTipTitle\", \"tip\": \"exampleTip\"}
So you end up back where you start.
Just don't use JSON.stringify here, and you'll convert your JSON to a JavaScript object:
var javascript_object = JSON.parse(returnValue);
Then you have an object, but it doesn't have a 0 property so it doesn't make sense to access it with javascript_object[0]. The properties have names, such as javascript_object.title.
Your JSON doesn't describe an array, so indexing into it with an index like 0 doesn't make sense. Your JSON describes an object, which will have properties with the names title, tipTitle, and tip.
Additionally, you're overdoing your parsing: You just want to parse, not stringify (which is the opposite of parsing):
var JSONobj = JSON.parse(returnValue);
So:
var JSONobj = JSON.parse(returnValue);
var headerTitle = JSONobj.title;
console.log(headerTitle); // "exampleTitle"
Side note: By the time you've assigned it to the variable you've called JSONobj, it isn't JSON anymore, it's just a normal JavaScript object, so that name is a bit misleading. If you're writing source code, and you're not dealing with a string, you're not dealing with JSON anymore. :-)
I would like to convert XML data to a JSON object within QBO3.
Is there a native method available for this?
Try running the following in console:
var xml = "<head><node1>node1</node1><node2>node2</node2></head>"
var xmlToJson = new XMLtoJSON;
xmlToJson.fromStr(xml);
Note that in addition to the fromStr[ing] method, the XMLtoJSON object also has a fromFile method available.
I am using the example code in flash. I want a single variable and not the whole text.
I have a dynamic textfield called OUTPUT on the stage.
var fl_TextLoader:URLLoader = new URLLoader();
var fl_TextURLRequest:URLRequest = new URLRequest("http://www.testing.com/Christmas.txt");
fl_TextLoader.addEventListener(Event.COMPLETE, fl_CompleteHandler);
function fl_CompleteHandler(event:Event):void
{
var textData:String = new String(fl_TextLoader.data);
OUTPUT.text = textData;
}
fl_TextLoader.load(fl_TextURLRequest);
The Christmas text file contents:
Var1=Jesus&Var2=Mary&Var3=Christmas
The OUTPUT comes out with the whole string. How do I get the url parameter values separately?
Like OUTPUT.text = textData.Var1; (<--- But this does not work.)
The .data property is just a string, the raw data returned by the HTTP call, so you will have to parse the variable-value pairs, either using simple .split() on the strings or using the URLVariables object, that can do the parsing for you:
http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/net/URLVariables.html#decode()