com.jmu.util.ResponseJsonUtils.java Source code

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Here is the source code for com.jmu.util.ResponseJsonUtils.java

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/*
 * Copyright (c) 2015 xuerdongcom@126.com All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 */
package com.jmu.util;

import com.alibaba.fastjson.JSON;
import com.jmu.common.AjaxResponse;
import org.springframework.web.context.request.NativeWebRequest;

import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * ?json
 * 
 * @author xuerdong
 * @since 1.1
 */
public class ResponseJsonUtils {

    public static boolean isJsonAccept(NativeWebRequest request) {
        if (request.getHeader("accept").indexOf("application/json") > -1
                || (request.getHeader("X-Requested-With") != null
                        && request.getHeader("X-Requested-With").indexOf("XMLHttpRequest") > -1)) {
            return true;
        }
        return false;
    }

    public static boolean isJsonAccept(HttpServletRequest request) {
        if (request.getHeader("accept").indexOf("application/json") > -1
                || (request.getHeader("X-Requested-With") != null
                        && request.getHeader("X-Requested-With").indexOf("XMLHttpRequest") > -1)) {
            return true;
        }
        return false;
    }

    public static void writeJSON(ServletResponse response, String json) {
        try {
            response.setContentType("application/json; charset=UTF-8");
            writeJSON(response.getWriter(), json);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void writeJSON(PrintWriter wirter, String json) {
        wirter.print(json);
        wirter.flush();
        wirter.close();
    }

    public static void writeJSON(ServletResponse response, AjaxResponse json) {
        try {
            response.setContentType("application/json; charset=UTF-8");
            writeJSON(response.getWriter(), json);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void writeJSON(PrintWriter wirter, AjaxResponse json) {
        wirter.print(JSON.toJSONString(json));
        wirter.flush();
        wirter.close();
    }

}