Format Json Strings intellij?

Question

I am developing Java using intellij idea. And I want to assign a json like format to a Java String. But I am tired with escape characters that I have to deal with.

Is there any easy tool to format without escape characters?

Escape characters have nothing to do with your IDE. These are the rules of Strings in Java being enforced. Rather than hardcoding JSON Strings, you should consider using one of the many JSON libraries available for Java to construct your document, then serialize it to a String. — rmlan, Oct 25 '16 at 15:53
See this question: https://stackoverflow.com/questions/878573/java-multiline-string — Jefferson Lima, May 18 '20 at 13:45

Supun Wijerathne · Accepted Answer · 2018-08-20T11:07:08.100

67

You can use inject language feature.

Ex:

String myJsonString = "";

Place cursor between " and ".
Alt + Enter -> Inject language or reference -> select json from the dropdown appears,
Now you have injected json to that String. Again Alt + Enter -> Edit Json Fragment.
Now you can give your json inside pop-up tool as a normal json, Intellij will convert it as a String with escape characters for you. :))

Refer official documentation for more info.

edited Aug 20 '18 at 11:07

answered Oct 25 '16 at 15:58

Supun Wijerathne

10,994
9
49
82

I cannot see `json` in dropdown. Can I somehow add it? I'm using Community Edition of IDEA. – ASten Jan 11 '20 at 09:52
1

Now see it. It was unavailable within quotes as argument of function (`..someFunc("{\"jsonHere\"}")`). When I've copied escaped json into assignment (`String t = "here"`), it appears. Thank you! – ASten Jan 11 '20 at 09:58

score 0 · Answer 2 · answered Jun 10 '18 at 09:33

For anyone that is using STS (Spring Tool Suite) and generally Eclipse the escape feature can be enabled by checking the checkbox under:

Preferences -> Java -> Editor -> Typing -> Escape text when pasting into a string literal

after this just define a String and paste the json content and the IDE will take care of the escaping.

Format Json Strings intellij?

2 Answers2