How to define date of today in json file? Is there any way for this?

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I have a JSON file, it contains date and id:

    "date": "2018-08-08",
    "id": 3

I want to define value of date as, for example:

    "id": 3

How can I do this or can it be done?

Note: I'm making the insert use this json file, I create json file as separate files, example: x.json, y.json

There are several JSON parsing libraries available for Java. One of which is

You read the String from your file, Parse it to JSONObject.

Iterate through the JSONArray and set the "date" field to your desired date and write it back.

Hope this answers your how part.

defining date in json file, JSON is a structured transport format. It does not have logic in it. But here are options: Why not just get the date when you read the file instead? 2.4.6 Date Time String Format for JSON. 2/14/2019; 2 minutes to read; In this article. This section is based upon the ECMAScript 5th Edition Specification, .The format defined here is used only by JScript 5.8 for the Date.prototype.toJSON method.

JSON is a structured transport format. It does not have logic in it.

So you can not do like

    "id": 3

but you can write your own logic eg:

    "date": ${placeholderForDate},
    "id": 3

You can manage this placeholder as per requirement while sending/receiving request.

you can perform this placeholder replacement in you code part after receiving request or you can handle it in UI also.

JavaScript JSON Date Parsing and real Dates, JSON allows integers, fractional numbers, strings, arrays and so on, but no way to natively specify a point in time. It turns out this relatively� This unstructured data is often stored in a format called JavaScript Object Notation (JSON). JSON is a way to encode data structures like lists and dictionaries to strings that ensures that they are easily readable by machines. Even though JSON starts with the word Javascript, it’s actually just a format, and can be read by any language

Below JSON payload is invalid:

    "id": 3

ERROR: Strings should be wrapped in double quotes.[Code 17, Structure 5]

Generally, JSON schema does not allow to things like this. If you want keep now as information that represents time idea of now just create JSON payload like below:


Since now, your client should implement custom deserialiser than whenever find now() text it must replaced it with new Date() or or whatever it needs.

JSON and Dates/Times, There are two functions that return the 'current' date/time timestamp: consensus is to store the date/time value as a string in ISO 8601 format. data you are working with will have date/time values formatted in other ways. How to send todays date in JSON reqest while doing a HTTP Post. Hi All I wanted to know if its possible to sent current day in JSON post request without me having to manually modify request each time. so I am looking for dynamic date

Date/Time processing � JSONata, So when Appian writes dates to Json, it cannot cast those values correctly if it reads be some way to do it automatically without needing to, say, build a manual when the day is greater than 12 as it seems to do some logical shuffling when it We do actually have the similar request of read and write the date format into� Date and time values are organized from the most to the least significant - this allows lexicographic sorting. Your 'order by' on a JSON_VALUE VARCHAR2 column works out of the box. Oracle database users can perform a 'to_date' conversion to get an Oracle date and use NLS to print it with the right locality settings (if needed)

Casting dates to and from JSON - Data - Discussions, The current version is 2019-09! JSON Schema is a vocabulary that allows you to annotate and validate JSON Make any JSON format a hypermedia format with no constraints on document Internet-Drafts expire after six months, so our goal is to publish often enough to always have a set of unexpired drafts available. You need to check your data coming in from the JSON file. There isn't any issue with the actual date manipulation code. When you get it working, this will convert your result in milliseconds to floating point days: diff / 1000 / 60 / 60 / 24. You can use each step of the formula with a mod % expression to return in a more human readable format:

JSON Schema, JSON is short for JavaScript Object Notation, and is a way to store information in an Inside the object, we can declare any number of properties using a "name": This example would request the latest feed items in JSON format and output� How do I format a Microsoft JSON date? which illustrates a way to do it: var date = new Date(parseInt(jsonDate.substr(6))); In your instance, either change the value when you go to assign the value to the view model, or add a computed observable that will convert it when retrieving it out.

  • If I understand you right, you want to write the expression inside a normal json file?
  • build the object in Java, set the values and convert it to JSON
  • This might help :
  • The direct answer is now, JSON is logical not functional. However, if your able to write the parse statements in java, all you would have to do is an if statement, if the date is empty (date:"") than set date to Otherwise, can I have more information on how the json is being parsed?