private boolean generateWSReceiveBody()

in json/src/main/java/org/netbeans/html/json/impl/ModelProcessor.java [1529:1603]
75 lines of code
13 McCabe index (conditional complexity)

    private boolean generateWSReceiveBody(int index, StringWriter method, StringBuilder body, OnReceive onR, ExecutableElement e, Element clazz, String className, boolean expectsList, String modelClass, String n, List<String> args, List<String> params, StringBuilder urlBefore, String jsonpVarName, StringBuilder urlAfter, String dataMirror, StringBuilder headers) {
        body.append(
            "    case " + index + ": {\n" +
            "      if (type == 0) { /* on open */\n" +
            "        ").append(inPckName(clazz, true)).append(".").append(n).append("(");
        {
            String sep = "";
            for (String arg : args) {
                body.append(sep);
                if (arg.startsWith("arr") || arg.startsWith("net.java.html.json.Models.asList")) {
                    body.append("null");
                } else {
                    body.append(arg);
                }
                sep = ", ";
            }
        }
        body.append(");\n");
        body.append("""
                            return;
                          } else if (type == 2) { /* on error */
                            Exception value = (Exception)data;
                    """);
        if (onR.onError().isEmpty()) {
            body.append(
                "        value.printStackTrace();\n"
                );
        } else {
            int errorParamsLength = findOnError(e, ((TypeElement)clazz), onR.onError(), className);
            if (errorParamsLength < 0) {
                return true;
            }
            body.append("        ").append(inPckName(clazz, true)).append(".").append(onR.onError()).append("(");
            body.append("model, value");
            for (int i = 2; i < errorParamsLength; i++) {
                String arg = args.get(i);
                body.append(", ");
                if (arg.startsWith("arr") || arg.startsWith("java.util.Array")) {
                    body.append("null");
                } else {
                    body.append(arg);
                }
            }
            body.append(");\n");
        }
        body.append("""
                            return;
                          } else if (type == 1) {
                            Object[] ev = (Object[])data;
                    """);
        if (expectsList) {
            body.append(
                "        " + modelClass + "[] arr = new " + modelClass + "[ev.length];\n"
                );
        } else {
            body.append(
                "        " + modelClass + "[] arr = { null };\n"
                );
        }
        body.append(
            "        TYPE.copyJSON(model.proto.getContext(), ev, " + modelClass + ".class, arr);\n"
        );
        {
            body.append("        ").append(inPckName(clazz, true)).append(".").append(n).append("(");
            String sep = "";
            for (String arg : args) {
                body.append(sep);
                body.append(arg);
                sep = ", ";
            }
            body.append(");\n");
        }
        body.append("""
                            return;
                          }""");