Java Code Examples for com.alibaba.fastjson.JSON#toJSONStringWithDateFormat()

@Test
public void givenSerializeConfig_whenJavaObject_thanJsonCorrect() {
    NameFilter formatName = new NameFilter() {
        public String process(Object object, String name, Object value) {
            return name.toLowerCase()
                .replace(" ", "_");
        }
    };
    SerializeConfig.getGlobalInstance()
        .addFilter(Person.class, formatName);
    String jsonOutput = JSON.toJSONStringWithDateFormat(listOfPersons, "yyyy-MM-dd");
    assertEquals(jsonOutput, "[{\"first_name\":\"Doe\",\"last_name\":\"John\"," + "\"date_of_birth\":\"2016-07-24\"},{\"first_name\":\"Doe\",\"last_name\":" + "\"Janette\",\"date_of_birth\":\"2016-07-24\"}]");
    // resetting custom serializer
    SerializeConfig.getGlobalInstance()
        .put(Person.class, null);
}
 

/**
 * Standard json formation without data lost.
 */
public String toJSONString() {
    if (context.isPretty()) {
        return JSON.toJSONStringWithDateFormat(this, Constant.DATE_SERIALIZE_FORMAT, SerializerFeature.PrettyFormat);
    } else {
        return JSONObject.toJSONStringWithDateFormat(this, Constant.DATE_SERIALIZE_FORMAT);
    }
}
 

public static <T> String toJson(T object) {
    if (object == null) {
        throw new SerializerException("Object is null");
    }

    return JSON.toJSONStringWithDateFormat(object, ThunderConstant.DATE_FORMAT, SerializerFeature.WriteClassName);
}
 

/**
 * 对象转换为json,可以带上date的格式化.
 *
 * @param object
 * @param dateFormat
 * @return java.lang.String
 */
public static String beanToJson(Object object, String dateFormat) {
    if (Objects.isNull(dateFormat) || "".equals(dateFormat)) {
        return JSON.toJSONString(object);
    }
    return JSON.toJSONStringWithDateFormat(object, dateFormat);

}
 

/**
 * Bean对象转JSON
 * 
 * @param object
 * @param dataFormatString
 * @return
 */
public static String beanToJson(Object object, String dataFormatString) {
    if (object != null) {
        if (StringUtils.isEmpty(dataFormatString)) {
            return JSONObject.toJSONString(object);
        }
        return JSON.toJSONStringWithDateFormat(object, dataFormatString);
    } else {
        return null;
    }
}
 

@Override
public String serialize(Set<Slice<S>> slices) {
    if (slices == null || slices.size() <= 0) {
        throw new IllegalArgumentException("slices切片集不能为空");
    }
    String typeName = getType(slices.iterator().next());
    return typeName + TYPE_SEPARATOR + JSON.toJSONStringWithDateFormat(slices, "yyyy-MM-dd'T'HH:mm:ss.SSS");
}
 

@Override
public UnitResponse send(UnitRequest request) {
    String ssid = IdManager.nextSsid();
    request.getContext().setSsid(ssid);
    fillRequestContext(request.getContext());
    UnitResponse unitResponse = UnitResponse.create(true);
    final CountDownLatch latch = new CountDownLatch(1);
    NotifyHandler handler = new NotifyHandler() {
        @Override
        public void handle(UnitResponse output) {
            UnitResponse.copy(output, output);
            latch.countDown();
        }
    };
    handleMap.put(ssid, handler);
    String payload = JSON.toJSONStringWithDateFormat(request, Constant.DATE_SERIALIZE_FORMAT);
    publisher.p2pPublish(request.getContext().getDestinationNodeId(), payload);
    try {
        if (!latch.await(Constant.UNIT_DEFAULT_TIME_OUT_IN_MILLI, TimeUnit.MILLISECONDS)) {
            handler.setTimeout(true);
            return UnitResponse.createError(Group.CODE_TIME_OUT, null, "Response time out!")
                    .setContext(UnitResponse.Context.create().setSsid(ssid));
        }
    } catch (InterruptedException e) {
        return UnitResponse.createException(e);
    }
    return unitResponse;
}
 

@Override
public void send(UnitRequest request, NotifyHandler handler) {
    String ssid = IdManager.nextSsid();
    request.getContext().setSsid(ssid);
    fillRequestContext(request.getContext());
    String payload = JSON.toJSONStringWithDateFormat(request, Constant.DATE_SERIALIZE_FORMAT);
    handleMap.put(ssid, handler);
    publisher.p2pPublish(request.getContext().getDestinationNodeId(), payload);
}
 

/**
 * No matter context pretty attribute is true or not, this method formats the json string you want.
 *
 * @param pretty pretty or not.
 * @return formatted json string.
 */
public String toVoJSONString(boolean pretty) {
    if (pretty) {
        return JSON.toJSONStringWithDateFormat(toVoJSONObject(), Constant.DATE_SERIALIZE_FORMAT, SerializerFeature.PrettyFormat);
    } else {
        return JSONObject.toJSONStringWithDateFormat(toVoJSONObject(), Constant.DATE_SERIALIZE_FORMAT);
    }
}
 

/**
 * Our api gateway uses this method instead of {@link #toJSONString()} {@link #toString()} to produce a desensitized output VO json string.
 * For detail, see the return description.
 *
 * @return json string with sensitive properties(the context property) hidden.
 */
public String toVoJSONString() {
    if (context.isPretty()) {
        return JSON.toJSONStringWithDateFormat(toVoJSONObject(), Constant.DATE_SERIALIZE_FORMAT, SerializerFeature.PrettyFormat);
    } else {
        return JSONObject.toJSONStringWithDateFormat(toVoJSONObject(), Constant.DATE_SERIALIZE_FORMAT);
    }
}
 

@Override
public String serialize(Slice<S> slice) {
    String typeName = getType(slice);
    return typeName + TYPE_SEPARATOR + JSON.toJSONStringWithDateFormat(slice, "yyyy-MM-dd'T'HH:mm:ss.SSS");
}
 

public Object log(ProceedingJoinPoint joinPoint) throws Throwable {
    Object respData;
    long startTime = System.currentTimeMillis();
    String className = joinPoint.getTarget().getClass().getSimpleName(); //获取类名（这里只切面了Controller类）
    String methodName = joinPoint.getSignature().getName();              //获取方法名
    String methodInfo = className + "." + methodName;                    //组织类名.方法名
    //Object[] objs = joinPoint.getArgs();                               //获取方法参数
    //String paramInfo = com.alibaba.fastjson.JSON.toJSONString(args);
    /*
    if(RouterController.class.getSimpleName().equals(className)){
        return joinPoint.proceed();
    }
    */
    /*
     * 打印Controller入参
     * 1.也可以使用@Resource注入private HttpServletRequest request;再加上setRequest()即可
     *   当使用@Resource注入HttpServletRequest时，在JUnit中通过new ClassPathXmlApplicationContext("applicationContext.xml")加载Spring时会报告下面的异常
     *   org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [javax.servlet.http.HttpServletRequest] found for dependency
     *   所以这里通过RequestContextHolder来获取HttpServletRequest
     * 2.当上传文件时，由于表单设置了enctype="multipart/form-data"，会将表单用其它的文本域与file域一起作为流提交
     *   所以此时request.getParameter()是无法获取到表单中的文本域的，这时可以借助文件上传组件来获取比如org.apache.commons.fileupload.FileItem
     * 3.RabbitMQ订阅过来的消息时，这里得到的servletRequestAttributes==null，所以加了一个判断
     */
    ServletRequestAttributes attributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
    if(null == attributes){
        return joinPoint.proceed();
    }
    HttpServletRequest request = attributes.getRequest();
    LogUtil.getLogger().info("{}()-->{}被调用，客户端IP={}，入参为[{}]", methodInfo, request.getRequestURI(), RequestUtil.getClientIP(request), JadyerUtil.buildStringFromMap(request.getParameterMap()));
    /*
     * 使用自定义注解
     */
    Method method = ((MethodSignature)joinPoint.getSignature()).getMethod();
    if(method.isAnnotationPresent(SeedLog.class)){
        SeedLog seedLog = method.getAnnotation(SeedLog.class);
        String logData = "动作：" + seedLog.action().getCode() + "（" + seedLog.action().getMsg() +"）" + "，描述：" + seedLog.value();
        LogUtil.getLogger().info("{}()-->{}被调用，客户端IP={}，Log注解为[{}]", methodInfo, request.getRequestURI(), RequestUtil.getClientIP(request), logData);
    }
    /*
     * 表单验证
     */
    //Object[] objs = joinPoint.getArgs();
    //for (Object obj : objs) {
    //    if (null != obj && obj.getClass().getName().startsWith("com.jadyer.seed.ucs")) {
    //        LogUtil.getLogger().info("{}()-->{}被调用, 客户端IP={}, 得到的表单参数为{}", methodInfo, request.getRequestURI(), IPUtil.getClientIP(request), ReflectionToStringBuilder.toString(obj, ToStringStyle.MULTI_LINE_STYLE));
    //        String validateResult = ValidatorUtil.validate(obj);
    //        LogUtil.getLogger().info("{}()-->{}的表单-->{}", methodInfo, request.getRequestURI(), StringUtils.isBlank(validateResult)?"验证通过":"验证未通过");
    //        if (StringUtils.isNotBlank(validateResult)) {
    //            throw new SeedException(CodeEnum.SYSTEM_BUSY.getCode(), validateResult);
    //        }
    //    }
    //}
    /*
     * 执行Controller的方法
     */
    respData = joinPoint.proceed();
    long endTime = System.currentTimeMillis();
    String returnInfo;
    if(null!=respData && respData.getClass().isAssignableFrom(ResponseEntity.class)){
        returnInfo = "ResponseEntity";
    }else{
        //出参就不再格式化输出了，因为通常接口返回的都是实体类，类属性很多，很占面积，影响查日志
        //returnInfo = JSON.toJSONStringWithDateFormat(respData, JSON.DEFFAULT_DATE_FORMAT, SerializerFeature.PrettyFormat, SerializerFeature.WriteMapNullValue, SerializerFeature.WriteNullStringAsEmpty, SerializerFeature.WriteNullNumberAsZero, SerializerFeature.WriteNullListAsEmpty, SerializerFeature.WriteNullBooleanAsFalse);
        returnInfo = JSON.toJSONStringWithDateFormat(respData, JSON.DEFFAULT_DATE_FORMAT, SerializerFeature.WriteMapNullValue, SerializerFeature.WriteNullStringAsEmpty, SerializerFeature.WriteNullNumberAsZero, SerializerFeature.WriteNullListAsEmpty, SerializerFeature.WriteNullBooleanAsFalse);
    }
    LogUtil.getLogger().info("{}()-->{}被调用，出参为[{}]，Duration[{}]ms", methodInfo, request.getRequestURI(), returnInfo, endTime-startTime);
    LogUtil.getLogger().info("---------------------------------------------------------------------------------------------");
    //注意這里一定要原封不动的返回joinPoint.proceed()结果，若返回JSON.toJSONString(respData)则会报告下面的异常
    //java.lang.String cannot be cast to com.jadyer.seed.comm.constant.CommResult
    //这是由于JSON.toJSONString(respData)得到的是字符串，而实际Controller方法里面返回的是CommResult对象
    return respData;
}
 

@Override
public String toString() {
    return JSON.toJSONStringWithDateFormat(this, "yyyy-MM-dd HH:mm:ss");
}
 

public static <T> String serializeDate(T object) {
    return JSON.toJSONStringWithDateFormat(object,"yyyy-MM-dd");
}
 

/**
 * 将JAVA对象转化为JSON字符串以及特定的时间格式
 * @param object JAVA 对象
 * @param dataFormat 日期格式
 */
public static final String toJSONString(Object object, String dataFormat) {
    String jsonStr = JSON.toJSONStringWithDateFormat(object, dataFormat, SerializerFeature.WriteDateUseDateFormat);
    return jsonStr;
}
 

/**
 * 节点信息转json字符串
 * 
 * @param nodeInfo 节点信息
 * @return json字符串
 */
private String jsonizeNodeInfo(NodeInfo nodeInfo) {
    String dateFormat = "yyyy-MM-dd HH:mm:ss";
    return JSON.toJSONStringWithDateFormat(nodeInfo, dateFormat, SerializerFeature.WriteDateUseDateFormat);
}
 

/**
 * 将给定的目标日期对象转换成 JSON 日期格式的字符串。
 * 
 * @param target
 *            要转换成 JSON 的目标日期对象。
 * @return 目标对象的 JSON 日期格式的字符串。
 */
public static String toJsonDateFormat(Object date) {
	if (date == null)
		return EMPTY_JSON;
	return JSON.toJSONStringWithDateFormat(date, DEFAULT_DATE_PATTERN);
}