com.neurosys.etl.common.transformers

Class JSONTransformer

java.lang.Object

com.neurosys.etl.common.transformers.JSONTransformer

All Implemented Interfaces:

FunctionTransformer, Function, org.apache.commons.collections.Transformer

Direct Known Subclasses:

ObjectToJson

public class JSONTransformer
extends Object
implements FunctionTransformer

Convert JSON String/Object to an Object. By default this Object would be a Map or List unless overriden by getJsonConfig()
Can also return a JSON string from an Object if objClass is String.
See also MapValueLookupTransformer to process the output of this Transformer it can be handy TODO: Add unit test case for objClass specified scenario + Collection Vs Non-Collection scenarios

Author:

Arjun Dhar

Constructor Summary

Constructors

Constructor and Description
JSONTransformer()
JSONTransformer(Class objClass)

Method Summary

Modifier and Type	Method and Description
net.sf.json.JsonConfig	getJsonConfig() Optional JsonConfig
Class	getObjClass() If Provided will be used to convert JSON string to this object. If type String then will return a JSON String.
boolean	isReturnNullOnException()
void	setJsonConfig(net.sf.json.JsonConfig jsonConfig) Optional JsonConfig
void	setObjClass(Class objClass) If Provided will be used to convert JSON string to this object. If type String then will return a JSON String.
void	setReturnNullOnException(boolean returnNullOnException)
Object	transform(Object json)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.neurosys.etl.common.transformers.FunctionTransformer

apply

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

JSONTransformer

public JSONTransformer()

JSONTransformer

public JSONTransformer(Class objClass)

Method Detail

transform

public Object transform(Object json)

Specified by:

transform in interface org.apache.commons.collections.Transformer

getJsonConfig

public net.sf.json.JsonConfig getJsonConfig()

Optional JsonConfig

Can be null:

true

setJsonConfig

public void setJsonConfig(net.sf.json.JsonConfig jsonConfig)

Optional JsonConfig

Can be null:

true

getObjClass

public Class getObjClass()

If Provided will be used to convert JSON string to this object.
If type String then will return a JSON String.

Can be null:

true

setObjClass

public void setObjClass(Class objClass)

If Provided will be used to convert JSON string to this object.
If type String then will return a JSON String.

Can be null:

true

isReturnNullOnException

public boolean isReturnNullOnException()

setReturnNullOnException

public void setReturnNullOnException(boolean returnNullOnException)