Basically, we have a mutli-tenant application where we need to parse date from string (in params) to Date object based on Tenant's timezone. For example -
- For tenant 1 in IST zone, and '04/19/2015' in params means '04/18/2015 18:00 UTC' in db.
- For tenant 2 in CST zone, and '04/19/2015' in params means '04/19/2015 05:30 UTC' in db.
We have created a DateValueConverter.groovy class in src/groovy/com/testapp as:
package com.testapp
import org.grails.databinding.converters.ValueConverter
class DateValueConverter implements ValueConverter {
boolean canConvert(value) {
value instanceof String
}
def convert(value) {
Date date = null
// convert from value to date with specific timezone
date
}
Class<?> getTargetType() {
Date
}
}
Following is the code from grails-app/config/spring/resources.groovy
beans = {
dateConverter com.testapp.DateValueConverter
}
Following the index action from TestController :
// ....
def index(Person person) {
println params
println ""
println person.dob
render "ok"
}
// ....
As it should be clear from the above that in order to test, try to hit http://localhost:8080/test/index?firstName=John&dob=1980/04/19. And you should see dob value in console.