Passing JSON array to Java Springs controller

Question

I am trying to pass this JSON to a Springs Controller:

{"orderList":["IS_cb-A1-3","IS_cb-A1-4","IS_cb-A1-1","IS_cb-A1-2","IS_cb-A1-3"]}

Here is the method declaration:

public @ResponseBody JsonResponse orderCertificates(@ModelAttribute CertificateRequest certificateOrder, BindingResult result )

And here is the bean:

public class CertificateRequest {
private String[] orderList = null;
private List<String> mbsResponse = new ArrayList<String>(); 

public String[] getOrderList() {
    return orderList;
}

public void setOrderList(String[] orderList) {
    this.orderList = orderList;
}

public List<String> getMbsResponse() {
    return mbsResponse;
}

public void setMbsResponse(List<String> mbsResponse) {
    this.mbsResponse = mbsResponse;
}
}

I don't know how to build this bean (which doesn't work) so that I can get to this array. Any help would be appreciated.

Biju Kunjummen · Accepted Answer · 2012-05-31 17:01:03Z

2

This signature of the Request mapped method(in 3.1 Spring MVC) should work for you:

@RequestMapping(value="/cert", consumes="application/json", produces="application/json")
public @ResponseBody CertificateRequest orderCertificates(@RequestBody CertificateRequest certificateOrder){
//
}

I have tagged CertificateRequest with @RequestBody and removed BindingResult.

Update: Posting code, this is how my method looks -

@RequestMapping(value="/cert", consumes="application/json", produces="application/json")
public @ResponseBody CertificateRequest orderCertificates(@RequestBody CertificateRequest certificateOrder){
    System.out.println(certificateOrder);
    return certificateOrder;
}

and in the http request, I have explicitly set the Content-Type to "application/json"

edited May 31, 2012 at 17:01

answered May 31, 2012 at 14:49

Biju Kunjummen

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2 Comments

user1269651 Over a year ago

When orderList is a String: no problem. It needs to be an Array, which is when it stops working.

Biju Kunjummen Over a year ago

Yes, it works as an array also, in my machine this is the string printed in the method body:CertificateRequest [orderList=[IS_cb-A1-3, IS_cb-A1-4, IS_cb-A1-1, IS_cb-A1-2, IS_cb-A1-3], mbsResponse=[]]

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