org.springframework.integration.json

Class JsonPropertyAccessor

java.lang.Object

org.springframework.integration.json.JsonPropertyAccessor

All Implemented Interfaces:

org.springframework.expression.PropertyAccessor

public class JsonPropertyAccessor
extends java.lang.Object
implements org.springframework.expression.PropertyAccessor

A SpEL PropertyAccessor that knows how to read properties from JSON objects. Uses Jackson JsonNode API for nested properties access.

Since:

3.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JsonPropertyAccessor.ArrayNodeAsList An AbstractList implementation around ArrayNode with JsonPropertyAccessor.WrappedJsonNode aspect.
static class	JsonPropertyAccessor.ToStringFriendlyJsonNode A JsonPropertyAccessor.WrappedJsonNode implementation to represent JsonNode as string.
static interface	JsonPropertyAccessor.WrappedJsonNode<T extends com.fasterxml.jackson.databind.JsonNode> The base interface for wrapped JsonNode.

Constructor Summary

Constructors

Constructor and Description
JsonPropertyAccessor()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonPropertyAccessor

public JsonPropertyAccessor()

Method Detail

setObjectMapper

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

getSpecificTargetClasses

public java.lang.Class<?>[] getSpecificTargetClasses()

Specified by:

getSpecificTargetClasses in interface org.springframework.expression.PropertyAccessor

canRead

public boolean canRead(org.springframework.expression.EvaluationContext context,
                       java.lang.Object target,
                       java.lang.String name)
                throws org.springframework.expression.AccessException

Specified by:

canRead in interface org.springframework.expression.PropertyAccessor

Throws:

org.springframework.expression.AccessException

read

public org.springframework.expression.TypedValue read(org.springframework.expression.EvaluationContext context,
                                                      java.lang.Object target,
                                                      java.lang.String name)
                                               throws org.springframework.expression.AccessException

Specified by:

read in interface org.springframework.expression.PropertyAccessor

Throws:

org.springframework.expression.AccessException

canWrite

public boolean canWrite(org.springframework.expression.EvaluationContext context,
                        java.lang.Object target,
                        java.lang.String name)

Specified by:

canWrite in interface org.springframework.expression.PropertyAccessor

write

public void write(org.springframework.expression.EvaluationContext context,
                  java.lang.Object target,
                  java.lang.String name,
                  java.lang.Object newValue)

Specified by:

write in interface org.springframework.expression.PropertyAccessor

wrap

public static JsonPropertyAccessor.WrappedJsonNode<?> wrap(com.fasterxml.jackson.databind.JsonNode json)