Package org.apache.nifi.attribute.expression.language.evaluation.functions

Class IsJsonEvaluator

java.lang.Object

org.apache.nifi.attribute.expression.language.evaluation.BooleanEvaluator

org.apache.nifi.attribute.expression.language.evaluation.functions.IsJsonEvaluator

All Implemented Interfaces:

Evaluator<Boolean>

public class IsJsonEvaluator
extends BooleanEvaluator

Field Summary

Fields

Modifier and Type	Field	Description
private static final com.fasterxml.jackson.databind.ObjectMapper	MAPPER
private final Evaluator<String>	subject

Constructor Summary

Constructors

Constructor	Description
IsJsonEvaluator(Evaluator<String> subject)

Method Summary

Modifier and Type	Method	Description
QueryResult<Boolean>	evaluate(EvaluationContext evaluationContext)
Evaluator<?>	getSubjectEvaluator()
private boolean	isPossibleJsonArray(String subject)
private boolean	isPossibleJsonObject(String subject)

Methods inherited from class org.apache.nifi.attribute.expression.language.evaluation.BooleanEvaluator

getEvaluationsRemaining, getResultType, getToken, setToken

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

MAPPER

private static final com.fasterxml.jackson.databind.ObjectMapper MAPPER

subject

private final Evaluator<String> subject

Constructor Details

IsJsonEvaluator

public IsJsonEvaluator(Evaluator<String> subject)

Method Details

evaluate

public QueryResult<Boolean> evaluate(EvaluationContext evaluationContext)

isPossibleJsonArray

private boolean isPossibleJsonArray(String subject)

isPossibleJsonObject

private boolean isPossibleJsonObject(String subject)

getSubjectEvaluator

public Evaluator<?> getSubjectEvaluator()