io.magus.methodmap.json

Class JacksonArgsFactory

java.lang.Object

io.magus.methodmap.json.JacksonArgsFactory

All Implemented Interfaces:

ArgsFactory

public class JacksonArgsFactory
extends java.lang.Object
implements ArgsFactory

ArgsFactory that converts a JSON array to an array of java objects which coincide with the types of the expected parameters of the target method. Uses the Jackson JSON library to perform the necessary conversions.

Constructor Summary

Constructors

Constructor and Description
JacksonArgsFactory(com.fasterxml.jackson.databind.ObjectMapper objectMapper, com.fasterxml.jackson.databind.node.ArrayNode jsonArgsArray)
JacksonArgsFactory(com.fasterxml.jackson.databind.ObjectMapper objectMapper, java.lang.String jsonArrayString)

Method Summary

Modifier and Type	Method and Description
java.lang.Object[]	produceArgs(MethodHandleInfo methodHandleInfo) Interface method called by invoke in subclasses of AbstractMethodMap to generate the arguments.

Methods inherited from class java.lang.Object

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

Constructor Detail

JacksonArgsFactory

public JacksonArgsFactory(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                          com.fasterxml.jackson.databind.node.ArrayNode jsonArgsArray)

Parameters:

objectMapper - the objectmapper that will be used to perform the conversions

jsonArgsArray - an array of Jackson JSON objects that are to be converted into the types expected by the method

JacksonArgsFactory

public JacksonArgsFactory(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                          java.lang.String jsonArrayString)
                   throws com.fasterxml.jackson.core.JsonParseException,
                          com.fasterxml.jackson.databind.JsonMappingException,
                          java.io.IOException

Parameters:

objectMapper - the objectmapper that will be used to perform the conversions

jsonArrayString - a JSON array formatted string that will be converted to an array of objects containing the types expected by the method

Throws:

com.fasterxml.jackson.core.JsonParseException

com.fasterxml.jackson.databind.JsonMappingException

java.io.IOException

Method Detail

produceArgs

public java.lang.Object[] produceArgs(MethodHandleInfo methodHandleInfo)
                               throws ArgsProductionException

Description copied from interface: ArgsFactory

Interface method called by invoke in subclasses of AbstractMethodMap to generate the arguments.

Specified by:

produceArgs in interface ArgsFactory

Parameters:

methodHandleInfo - the methodhandleinfo that contains the methodhandle to be invoked

Returns:

the array of arguments to be passed to the methodhandle contained in the provided methodhandleinfo

Throws:

ArgsProductionException - If the arguments cannot be produced.

See Also:

AbstractMethodMap.invoke(MethodHandleInfo, ArgsFactory), AbstractMethodMap.invoke(Object, ArgsFactory), AutoInstantiatingMethodMap.invoke(MethodHandleInfo, ArgsFactory), AutoInstantiatingMethodMap.invoke(Object, ArgsFactory), AutoInstantiatingMethodMap.invoke(MethodHandleInfo, Class[], Object[], ArgsFactory), AutoInstantiatingMethodMap.invoke(Object, Class[], Object[], ArgsFactory)