/SHJS/src/main/java/com/sunwave/framework/util/JsonResponse.java

package com.sunwave.framework.util;



import com.alibaba.fastjson.JSON;

import com.alibaba.fastjson.JSONObject;

import com.alibaba.fastjson.serializer.SerializerFeature;

import com.google.common.collect.ImmutableMap;



import java.util.Collections;

import java.util.HashMap;

import java.util.List;

import java.util.Map;



/**

 * <p>

 * JsonResponse class.

 * </p>

 *

 * @author 

 * @version 

 */

public final class JsonResponse {



    private JsonResponse() {

    }





    private static SerializerFeature[] features = {SerializerFeature.WriteNullNumberAsZero, SerializerFeature.WriteNullStringAsEmpty, SerializerFeature.DisableCircularReferenceDetect};



    /**

     * <p>

     * badResult.

     * </p>

     *

     * @param cause a {@link String} object.

     * @return a {@link String} object.

     */

    public static String badResult(String cause) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 1);

        result.put("errorMessage", cause);

        return JSON.toJSONString(result, features);

    }



    /**

     * <p>

     * emptyResult.

     * </p>

     *

     * @param cause a {@link String} object.

     * @return a {@link String} object.

     */

    public static String emptyResult(String cause) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 2);

        result.put("errorMessage", cause);

        return JSON.toJSONString(result, features);

    }



    /**

     * jsonp请求失败

     *

     * @param cause    a {@link String} object.

     * @param callback a {@link String} object.

     * @return a {@link String} object.

     */

    public static String badResult(String cause, String callback) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 1);

        result.put("errorMessage", cause);

        return callback + "(" + JSON.toJSONString(result, features) + ")";

    }



    /**

     * <p>

     * badResult.

     * </p>

     *

     * @param cause a {@link java.util.Map} object.

     * @return a {@link String} object.

     */

    public static String badResult(Map<String, String> cause) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 1);

        result.put("errorMessage", cause);

        return JSON.toJSONString(result, features);

    }



    /**

     * 区分错误类型

     *

     * @param type  a int.

     * @param cause a {@link String} object.

     * @return a {@link String} object.

     */

    public static String badResult(int type, String cause) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 1);

        result.put("errorMessage", ImmutableMap.of("type", type, "msg", cause));

        return JSON.toJSONString(result, features);

    }



    /**

     * <p>

     * ok.

     * </p>

     *

     * @return a {@link String} object.

     */

    public static String ok() {

        JSONObject result = new JSONObject();

        result.put("errorCode", 0);

        result.put("data", "成功");

        return result.toString();

    }



    /**

     * <p>

     * okWithEmpty.

     * </p>

     *

     * @return a {@link String} object.

     */

    public static String okWithEmpty() {

        JSONObject result = new JSONObject();

        result.put("errorCode", 0);

        result.put("data", Collections.emptyList());

        return result.toString();

    }



    /**

     * <p>

     * ok.

     * </p>

     *

     * @param key   a {@link String} object.

     * @param value a {@link Object} object.

     * @return a {@link String} object.

     */

    public static String ok(String key, Object value) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 0);

        result.put("data", ImmutableMap.of(key, value));

        return JSON.toJSONString(result, features);

    }



    /**

     * <p>

     * ok.

     * </p>

     *

     * @param object a {@link Object} object.

     * @return a {@link String} object.

     */

    public static Object ok(Object object) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 0);

        result.put("data", object);

        String jsonString = JSON.toJSONString(result, features);

		return  JSON.parse(jsonString);

    }



    /**

     * 返回分页结果json字串

     *

     * @param object    数据对象

     * @param pageTotal 结果列表总共多少页

     * @param pageSize  每页多少条记录

     * @param pageNo    页号

     * @return json 字串

     */

    public static String okWithPaginate(Object object, int pageTotal, int pageSize, int pageNo) {

        JSONObject result = new JSONObject();

        result.put("totalCount", pageTotal);

        result.put("pageSize", pageSize);

        result.put("pageNo", pageNo);

        result.put("data", object);

        result.put("errorCode", 0);

        return JSON.toJSONString(result, features);

    }



    /**

     * 返回分页结果json字串

     *

     * @param object    数据对象

     * @param pageTotal 结果列表总共多少页

     * @param pageSize  每页多少条记录

     * @param pageNo    页号

     * @param count     数据条数

     * @return json 对象

     */

    public static JSONObject okWithPaginate(Object object, int count) {

        JSONObject result = new JSONObject();

        result.put("data", object);

        result.put("totalCount", count);

        result.put("errorCode", 0);

        return result;

    }



    /**

     * <p>

     * jsonp.

     * </p>

     *

     * @param object   a {@link Object} object.

     * @param callback a {@link String} object.

     * @return a {@link String} object.

     */

    public static String jsonp(Object object, String callback) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 0);

        result.put("data", object);

        return callback + "(" + JSON.toJSONString(result, features) + ")";

    }



    /**

     * 可以通过map形式传递参数，但是如果是ok，msg这两个参数的值会被覆盖掉

     *

     * @param params a {@link java.util.Map} object.

     * @return a {@link String} object.

     */

    public static Object ok(Map<String, Object> params) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 0);

        result.put("data", params);

        return JSON.parse(JSON.toJSONString(result, features));

    }



    /**

     * 可以通过map形式传递参数，但是如果是ok，msg这两个参数的值会被覆盖掉

     *

     * @param params a {@link com.google.common.collect.ImmutableMap} object.

     * @return a {@link String} object.

     */

    public static String ok(ImmutableMap<String, Object> params) {

        JSONObject result = new JSONObject();

        result.put("errorCode", 0);

        result.put("data", params);

        return JSON.toJSONString(result, features);

    }



    /**

     * 返回分页结果json字串

     *

     * @param list

     * @param pageTotal

     * @param pageSize

     * @param pageNo

     * @param <T>

     * @return json 字串

     */

    public static <T> String okWithPaginate(List<T> list, int pageTotal, int pageSize, int pageNo) {

        JSONObject result = new JSONObject();

        result.put("totalCount", pageTotal);

        result.put("pageSize", pageSize);

        result.put("pageNo", pageNo);

        result.put("errorCode", 0);

        result.put("data", list);

        return JSON.toJSONString(result, features);

    }



    /**

     * 返回分页结果的json

     *

     * @param params

     * @param pageTotal

     * @param pageSize

     * @param pageNo

     * @return json 字串

     */

    public static String okWithPaginate(Map<String, Object> params, int pageTotal, int pageSize, int pageNo) {

        JSONObject result = new JSONObject();

        result.put("totalCount", pageTotal);

        result.put("pageSize", pageSize);

        result.put("pageNo", pageNo);

        result.put("errorCode", 0);

        result.put("data", params);

        return JSON.toJSONString(result, features);

    }



    /**

     * 返回分页结果的json

     *

     * @param params

     * @param pageTotal

     * @param pageSize

     * @param pageNo

     * @return json 字串

     */

    public static String okWithPaginateDisableRef(Map<String, Object> params, int pageTotal, int pageSize, int pageNo) {

        JSONObject result = new JSONObject();

        result.put("totalCount", pageTotal);

        result.put("pageSize", pageSize);

        result.put("pageNo", pageNo);

        result.put("errorCode", 0);

        result.put("data", params);

        return JSON.toJSONString(result, features);

    }



    /**

     * 返回分页结果json字串,去掉fastjson循环引用功能

     *

     * @param object    数据对象

     * @param pageTotal 结果列表总共多少页

     * @param pageSize  每页多少条记录

     * @param pageNo    页号

     * @param count     数据条数

     * @return json 字串

     */

    public static Object okWithPaginateDisableRef(Object object, int count) {

        JSONObject result = new JSONObject();

        result.put("data", object);

        result.put("totalCount", count);

        result.put("errorCode", 0);

        //消除fastjson对同一对象循环引用的问题

        String jsonString = JSON.toJSONString(result, features);

        return  JSON.parse(jsonString);

    }

    

    /**

     * <p>

     * main.

     * </p>

     *

     * @param args an array of {@link String} objects.

     */

    public static void main(String[] args) {

        Map<String, Object> params = new HashMap<String, Object>();

        params.put("test", 1);

        params.put("test1", "ok");

    }



}