NetoResourceUtil.java 文件源码

public Map<Integer, Class<? extends NetoJsonMessage>> opcodeMap(String filePath, String messagePackage) throws Exception {

        BiMap<Integer, Class<? extends NetoJsonMessage>> classBiMap = HashBiMap.create();

        File opcodeJsonFile = getFile(filePath);

        ObjectMapper ob = new ObjectMapper();

        JsonNode jsonNode = ob.readTree(opcodeJsonFile);
        Iterator<String> it = jsonNode.fieldNames();

        while(it.hasNext()) {
            StringBuilder sb = new StringBuilder();
            String className = it.next();
            int opcode = jsonNode.get(className).asInt();
            sb.append(messagePackage).append('.').append(className);
            Class<? extends NetoJsonMessage> aClass = (Class<? extends NetoJsonMessage>) Class.forName(sb.toString());
            classBiMap.put(opcode, aClass);
        }

        return classBiMap;
    }