Play framework get array of query string parameters from request.queryString - scala

Question

routes.conf
GET /api/v1/jurisdictions controllers.v1.JurisdictionController.getJurisdictions()
JurisdictionController
def getJurisdictions() = Action { implicit request =>
// this is returning None
val filters = request.queryString.get("filters")
val result = jurisdictionService.getJurisdictions()
Ok(serializer.serialize(result)).as("application/json")
}
Relevant request URI:
http://localhost:9000/api/v1/jurisdictions?filter[name]=Ryan&filter[number]=333333
How can I grab this query string filter?

Answer 1

You have to create a custom binder this is a Java implementation but it follows the same principle:
public class AgeRange implements QueryStringBindable<AgeRange> {
public Integer from;
public Integer to;
//A simple example of the binder’s use binding the :from and :to query string parameters:
#Override
public Optional<AgeRange> bind(String key, Map<String, String[]> data) {
try{
from = new Integer(data.get("from")[0]);
to = new Integer(data.get("to")[0]);
return Optional.of(this);
} catch (Exception e){ // no parameter match return None
return Optional.empty();
}
}
#Override
public String unbind(String key) {
return new StringBuilder()
.append("from=")
.append(from)
.append("&to=")
.append(to)
.toString();
}
}
Java documentation
Scala documentation