Because sometimes helpful, well-written FAQ's that address precisely your problem are no substitute for an example, I present you with:

Using Maps of objects in Freemarker, the missing example for:


Why I can't use non-string key in the myMap[myKey] expression? And what to do now?


Here's our class and its HashMap and regular getter:



public class Application implements Serializable {
    private <ProcessType, ProcessValue> process = new HashMap<ProcessType,ProcessValue>();

    public Map<ProcessType, ProcessValue> getProcess() {
        return process;
    }


We can't use this getter because it's wrapped by the Freemarker BeanModel and only accepts Strings.

Here's the new getter that we'll add:

    public ProcessValue getTheProcess(ProcessType type) {
        return getProcess().get(type);
    }
}


And then in our Freemarker template, we call the new getter method.

<#list application.process?keys as processType>
   <td>  
   ${application.getTheProcess(processType).pctComplete}
   </td>  
</#list>



OMG there's a new Neal Stephenson book.