Hi can any one help me

I have got multiple itemwriters and item readers in my step ,
I need to read/write a particular item reader or writer using jobparameters

here is my config file step config :

<bean id="EDIJob" parent="simpleJob" >
<property name="steps" >
<bean id="step1" parent="simpleStep" >
<property name="streams" >
<list>

<ref bean="i9FileItemReader" />
<ref bean="ansiFileWriter" />
<ref bean="neutralizeWriter" />
<ref bean="reportsWriter" />
<ref bean="multiFileItemReader" />
</list>

</property>

<property name="itemReader" ref="itemReader" />

<property name="itemWriter" ref="itemWriter" />


</bean>
</property>
</bean>



there are multiple itemreaders
1)itemReader
2)ffitemReader
3)xmlItemreader


There are multiple itemWriters

1) itemWriters
2) ffitemWriters
3) etc..


now i need to change this itemwriters using jobparameters ....

is it possible..
if so how ?

if its not possible if you have got any suggestion please do let me know.