Usage of Swagger example param generator

  public byte[] buildRequest(
      Swagger swagger, Map.Entry<String, Path> path, Map.Entry<HttpMethod, Operation> operation
  ) {
    List<String> headers = buildHeaders(swagger, path, operation);
    byte[] httpMessage = this.burpExtensionHelpers.buildHttpMessage(headers, null);

    for (Parameter parameter : operation.getValue().getParameters()) {
      if (parameter.getIn().equals("query")) { // QUERY param
    	  QueryParameter qParam = (QueryParameter)parameter;
    	  String value = getDefaultValue(qParam.getType());
          httpMessage = this.burpExtensionHelpers.addParameter(httpMessage, this.burpExtensionHelpers
            .buildParameter(qParam.getName(), value, IParameter.PARAM_URL));
      } else if (parameter.getIn().equals("body")) { // BODY param
    	  Model schema = ((BodyParameter)parameter).getSchema();
    	  if (schema != null) {
	    	  if(schema instanceof RefModel) {
	    		    RefModel refmodel = (RefModel)schema;
	        		ExampleGenerator gen = new ExampleGenerator(swagger.getDefinitions());
	                final List<String> expectedTypes = Arrays.asList(this.mimeTypeJSON?MIME_TYPE_JSON:MIME_TYPE_XML);
	        		List<Map<String,String>> generatedList = gen.generate(null, expectedTypes, refmodel.getSimpleRef());
	        		if(generatedList.size()>0) {
	        			Map<String,String> map = generatedList.get(0);
	        			if (map.containsKey(EXAMPLE)) {
	        				String bodyParam = map.getOrDefault(EXAMPLE, "{}");
	        		        httpMessage = this.burpExtensionHelpers.addParameter(httpMessage, this.burpExtensionHelpers
	        		        		  .buildParameter(bodyParam, "", IParameter.PARAM_BODY));
	        		        httpMessage = Arrays.copyOf(httpMessage, httpMessage.length-1); // remove '='(61) at the end
	        			}
	        		}
	    	  } else if (schema instanceof ArrayModel) {
      				ArrayModel arrModel = (ArrayModel)schema;
	        		ExampleGenerator gen = new ExampleGenerator(swagger.getDefinitions());
	                final List<String> expectedTypes = Arrays.asList(this.mimeTypeJSON?MIME_TYPE_JSON:MIME_TYPE_XML);
	                Property prop = arrModel.getItems();
	                if (prop.getType() == "ref") {
	                	RefProperty refprop = (RefProperty)prop;
		        		List<Map<String,String>> generatedList = gen.generate(null, expectedTypes, refprop.getSimpleRef());
		        		if(generatedList.size()>0) {
		        			Map<String,String> map = generatedList.get(0);
		        			if (map.containsKey(EXAMPLE)) {
		        				String bodyParam = map.getOrDefault(EXAMPLE, "{}");
		        				httpMessage = this.burpExtensionHelpers.addParameter(httpMessage, this.burpExtensionHelpers
		        		        		  .buildParameter(bodyParam, "", IParameter.PARAM_BODY));
		        		        httpMessage = Arrays.copyOf(httpMessage, httpMessage.length-1); // remove '='(61) at the end
		        			}
		        		}
	                } else {
	                	this.stdErr.println(String.format("Not implemented array-prop type: %s", prop.getType()));
	                }
      		} else {
      			this.stdErr.println(String.format("Not implemented schema type: %s", schema.getClass()));
      		}
    	  }
      }
    }
    return httpMessage;
  }