[GitHub] [camel-karavan] mgubaidullin commented on issue #335: JSonPath Evaluator

[GitBox]

mgubaidullin commented on issue #335:
URL: https://github.com/apache/camel-karavan/issues/335#issuecomment-1124213374

   we can add a button "Evaluate" that opens a modal window to evaluate
   
   <img width="436" alt="Screen Shot 2022-05-11 at 3 30 29 PM" 
src="https://user-images.githubusercontent.com/1379213/167930630-a799570c-4d67-44a9-8fdd-7a0c5cf40029.png";>
   
   then how to actually evaluate?
   
   1. For web app version we could create a rest endpoint for evaluation
   
   2. For VS Code extension? There is no backend...
   
   We can make a script jsonpath.java
   ```
   ///usr/bin/env jbang "$0" "$@" ; exit $? 
   //DEPS com.jayway.jsonpath:json-path:2.7.0
   //DEPS org.slf4j:slf4j-nop:1.7.30
   
   class jsonpath { 
       public static void main(String[] args) {
           String json = args[0];
           Object document = 
com.jayway.jsonpath.Configuration.defaultConfiguration().jsonProvider().parse(json);
           String result = com.jayway.jsonpath.JsonPath.read(document, args[1]);
           System.out.println(result);
       }
   }
   ``` 
   and call it command line using jbang
   `jbang jsonpath.java 
'{"store":{"book":[{"category":"reference","author":"Nigel 
Rees","title":"Sayings of the 
Century","price":8.95},{"category":"fiction","author":"Evelyn 
Waugh","title":"Sword of 
Honour","price":12.99},{"category":"fiction","author":"Herman 
Melville","title":"Moby 
Dick","isbn":"0-553-21311-3","price":8.99},{"category":"fiction","author":"J. 
R. R. Tolkien","title":"The Lord of the 
Rings","isbn":"0-395-19395-8","price":22.99}],"bicycle":{"color":"red","price":19.95}},"expensive":10}'
 '$.store.book[0].author' --quiet`


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