Ejemplo n.º 1
1
  /**
   * Convert a method call into a string according to TcpRest protocol that can be transmitted
   * across network.
   *
   * @param clazz Calling class
   * @param method Calling method
   * @param params parameters of calling method
   * @param mappers mapper for each parameter
   * @return
   * @throws MapperNotFoundException
   */
  public String encode(Class clazz, Method method, Object[] params, Map<String, Mapper> mappers)
      throws MapperNotFoundException {
    StringBuilder paramTokenBuffer = new StringBuilder();
    if (params != null) {
      for (Object param : params) {
        if (param == null) param = new NullObj();
        logger.log("***DefaultConverter - encode for class: " + param.getClass());

        Mapper mapper = getMapper(mappers, param.getClass());

        paramTokenBuffer
            .append(encodeParam(mapper.objectToString(param)))
            .append(TcpRestProtocol.PATH_SEPERATOR);

        logger.debug("***DefaultConverter - paramTokenBuffer " + paramTokenBuffer.toString());
      }

      return clazz.getCanonicalName()
          + "/"
          + method.getName()
          + "("
          + paramTokenBuffer.substring(
              0, paramTokenBuffer.length() - TcpRestProtocol.PATH_SEPERATOR.length())
          + ")";
    } else {
      return clazz.getCanonicalName() + "/" + method.getName() + "()";
    }
  }
Ejemplo n.º 2
0
  public Object[] decode(Method targetMethod, String paramsToken, Map<String, Mapper> mappers)
      throws MapperNotFoundException {
    if (paramsToken == null || paramsToken.trim().length() < 1) {
      return null;
    } else {
      String rawParams[] = paramsToken.trim().split(TcpRestProtocol.PATH_SEPERATOR);
      List<Object> paramsHolder = new ArrayList<Object>();
      int i = 0;
      for (String rawParam : rawParams) {
        String thisParam = decodeParam(rawParam);
        logger.debug("param types: " + targetMethod.getParameterTypes()[i]);
        Mapper mapper = getMapper(mappers, targetMethod.getParameterTypes()[i]);

        Object param = mapper.stringToObject(thisParam);

        if (thisParam.equals(TcpRestProtocol.NULL)) {
          param = null;
        }

        paramsHolder.add(param);
        i++;
      }
      return paramsHolder.toArray();
    }
  }
Ejemplo n.º 3
0
  public Mapper getMapper(Map<String, Mapper> mappers, Class targetClazz)
      throws MapperNotFoundException {
    Mapper mapper = mappers.get(targetClazz.getCanonicalName());

    if (mapper == null) {
      // now we try to find if the target param is serizialiable, if so we could use
      // RawTypeMapper
      //                    java.io.Serializable
      for (Class clazz : targetClazz.getInterfaces()) {
        if (clazz.equals(java.io.Serializable.class) || clazz.isArray()) {
          mapper = new RawTypeMapper();
          break;
        }
      }

      if (mapper == null)
        throw new MapperNotFoundException(
            "***DefaultConverter - cannot find mapper for: " + targetClazz.getCanonicalName());
    }

    logger.debug(
        "found mapper: "
            + mapper.getClass().getCanonicalName()
            + " for: "
            + targetClazz.getCanonicalName());
    return mapper;
  }
Ejemplo n.º 4
0
 public Mapper getMapper(Map<String, Mapper> mappers, String targetClazzName)
     throws MapperNotFoundException {
   try {
     Mapper mapper;
     // check for array type
     if (targetClazzName.endsWith("[]")) {
       mapper = new RawTypeMapper();
       return mapper;
     }
     mapper = mappers.get(targetClazzName);
     if (mapper != null) {
       logger.debug(
           "found mapper: " + mapper.getClass().getCanonicalName() + " for: " + targetClazzName);
       return mapper;
     } else {
       return getMapper(mappers, Class.forName(targetClazzName));
     }
   } catch (ClassNotFoundException e) {
     e
         .printStackTrace(); // To change body of catch statement use File | Settings | File
                             // Templates.
   }
   throw new MapperNotFoundException(
       "***DefaultConverter - cannot find mapper for: " + targetClazzName);
 }
Ejemplo n.º 5
0
 /**
  * Decode a single parameter.
  *
  * @param message
  * @return
  */
 public String decodeParam(String message) {
   logger.debug("decodeParam: " + message);
   return new String(
       Base64.decode(message.substring(message.indexOf("{{") + 2, message.lastIndexOf("}}"))));
 }