Json logic with Groovy

jsonlogic.groovy

/* Some example using a library with json logic 
- https://jsonlogic.com/
- https://github.com/jamsesso/json-logic-java
*/

@GrabConfig( systemClassLoader=true )
@Grapes(
    @Grab(group='io.github.jamsesso', module='json-logic-java', version='1.0.5')
)

import io.github.jamsesso.jsonlogic.JsonLogic

JsonLogic jsonLogic = new JsonLogic()

// Set up some JSON and some data.
String expression = '{"*": [{"var": "x"}, 2]}'
Map data = ["x": 10]

// Evaluate the result.
double result = (double) jsonLogic.apply(expression, data);
assert result == 20.0;

expression = '{ "==" : [1, 1] }'
data = null

assert jsonLogic.apply(expression, data)

expression = '''{"and" : [
      { ">" : [3,1] },
      { "<" : [1,3] }
    ] }'''
data = null

assert jsonLogic.apply(expression, data)

expression = '''{ "var" : ["a"] }'''
data = ["a":1,"b":2]

assert 1 == jsonLogic.apply(expression, data)

expression = '''{ "var" : "a" }'''
data = ["a":1,"b":2]

assert 1 == jsonLogic.apply(expression, data)


expression = '''{"var" : 1 }'''
List list = ["appe", "banana", "carrot"]

assert "banana" == jsonLogic.apply(expression, list)

expression = '''{ "and" : [
  {"<" : [ { "var" : "temp" }, 110 ]},
  {"==" : [ { "var" : "pie.filling" }, "apple" ] }
] }'''
data = ["temp":100,"pie":["filling":"apple"]]

assert jsonLogic.apply(expression, data)