Package org.springframework.integration.json

Class JsonPropertyAccessor

java.lang.Object

org.springframework.integration.json.JsonPropertyAccessor

All Implemented Interfaces:

PropertyAccessor, TargetedAccessor

public class JsonPropertyAccessor
extends Object
implements PropertyAccessor

A SpEL PropertyAccessor that knows how to read properties from JSON objects.

Uses Jackson JsonNode API for nested properties access.

Since:

3.0

Author:

Eric Bottard, Artem Bilan, Paul Martin, Gary Russell, Pierre Lakreb, Vladislav Fefelov, Sam Brannen

See Also:

• JsonIndexAccessor

Constructor Summary

Constructors

Constructor	Description
JsonPropertyAccessor()

Method Summary

Modifier and Type	Method	Description
boolean	canRead(EvaluationContext context, Object target, String name)
boolean	canWrite(EvaluationContext context, Object target, String name)
Class<?>[]	getSpecificTargetClasses()
TypedValue	read(EvaluationContext context, Object target, String name)
void	setObjectMapper(com.fasterxml.jackson.databind.ObjectMapper objectMapper)
static Object	wrap(com.fasterxml.jackson.databind.JsonNode json)
void	write(EvaluationContext context, Object target, String name, Object newValue)

Methods inherited from class java.lang.Object

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

Constructor Details

JsonPropertyAccessor

public JsonPropertyAccessor()

Method Details

setObjectMapper

public void setObjectMapper(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

getSpecificTargetClasses

public Class<?>[] getSpecificTargetClasses()

Specified by:

getSpecificTargetClasses in interface TargetedAccessor

canRead

public boolean canRead(EvaluationContext context,
 Object target,
 String name)
                throws AccessException

Specified by:

canRead in interface PropertyAccessor

Throws:

AccessException

read

public TypedValue read(EvaluationContext context,
 @Nullable
 Object target,
 String name)
                throws AccessException

Specified by:

read in interface PropertyAccessor

Throws:

AccessException

canWrite

public boolean canWrite(EvaluationContext context,
 Object target,
 String name)

Specified by:

canWrite in interface PropertyAccessor

write

public void write(EvaluationContext context,
 Object target,
 String name,
 Object newValue)

Specified by:

write in interface PropertyAccessor

wrap

public static Object wrap(com.fasterxml.jackson.databind.JsonNode json)
                   throws AccessException

Throws:

AccessException