How to hande nested structures in mustache

[Average Joe]

I have a YAML I am trying to create using the mustache template(s) for a state diagram. It looks like this:

states:

{{#states}}

  "{{name}}":

    properties:

    {{#properties}}

      {{key}} : "{{value}}"

      options:

    {{#options}}

      {{value}}: {{key}}

    {{/options}}

    {{/properties}}

    transitions:

    {{#transitions}}

      {{key}} : {{value}}

    {{/transitions}}

{{/states}}

The structure looks somewhat like this and I am unable to create the correct POJO mapping/method to get it to work. The documentation and the 2 samples on github do not deal with this in detail.

I can print the "states" just fine and even the "properties" and "transitions" just fine from the accompanying POJOs, but I am unable to the "options" to work.

Currently I have a class, with a bunch of code, the relevant parts are copied here:

    Set<Map.Entry<String,String>> properties(State state)  {

        Map mapOfProperties = new HashMap();

        switch (state.getType()) {

            case text:

                mapOfProperties.put("text", state.getMessage());

                break;

            case list:

                mapOfProperties.put("prompt", state.getMessage());

                mapOfProperties.put("variable", "someAction");

               // I was hoping to add something here, such that the options sub tree can be added here. Just not sure what to put? 

              // Something similar to the following, that would put options: one line and 

             // the actual key/value pairs on the next few lines, somewhat similar to 

             // options:

             //.           key1: value1

             //.           key2: value2

             //   mapOfProperties.put("options:", options(state)); 

                break;

            default:

                throw new IllegalStateException("Unexpected value: " + state.getType());

        }

        return mapOfProperties.entrySet();

    }

   

 Code for "options" method:

        Set<Map.Entry<String,String>> options(State state) {

        List<String> childStateList = state.getChildren();

        LinkedHashMap<String, String> mapOfOptions = new LinkedHashMap<>();

        if ((childStateList != null) && !childStateList.isEmpty()) {

            for (String childState: childStateList) {

                mapOfOptions.put(childState, "- value: ");

                mapOfOptions.put(getChildStateMessage(childState), "  label:");

            }

        }

        return mapOfOptions.entrySet();

    }

[Sam Pullara]

It looks like it should work on the face of it. If you can make a simple repro that i can run to investigate I'd be happy to help out. Maybe step through with a debugger and see what the value are?

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