open-JSD-9551/src/main/java/com/fr/plugin/tabledataservice/utils/FuncUtils.java

/*
 * Copyright (C), 2015-2019
 * FileName: FuncUtils
 * Author:   xxx
 * Date:     2019/8/22 15:05
 * Description: FuncUtils
 * History:
 * <author>          <time>          <version>          <desc>
 */
package com.fr.plugin.tabledataservice.utils;

import com.fr.base.Icon;
import com.fr.base.IconManager;
import com.fr.data.NetworkHelper;
import com.fr.general.ComparatorUtils;
import com.fr.general.IOUtils;
import com.fr.io.utils.MD5Calculator;
import com.fr.json.JSONObject;
import com.fr.locale.InterProviderFactory;
import com.fr.web.utils.WebUtils;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import static com.fr.plugin.tabledataservice.Constants.ICON_PATH;

/**
 * 〈Function Description〉<br>
 * 〈FuncUtils〉
 *
 * @author xxx
 * @since 1.0.0
 */
public class FuncUtils {
    /**
     * MD5验证：key、报表路径、时间戳计算
     *
     * @param appKey
     * @param reportPath
     * @param timestamp
     * @param sign
     * @return
     */
    public static Boolean validateMD5(String appKey, String reportPath, String timestamp, String sign) {
        StringBuffer str = new StringBuffer();
        str.append(appKey);
        str.append(reportPath);
        str.append(timestamp);
        String token = MD5Calculator.calculateMD5(str.toString().getBytes());
        return ComparatorUtils.equals(token, sign);
    }

    public static void printErrorJSON(HttpServletResponse res, int code) throws Exception {
        JSONObject errorJSON = JSONObject.create();
        errorJSON.put("err_code", code)
                .put("err_msg", InterProviderFactory.getProvider().getLocText("Plugin-tabledataservice_Error_" + code));
        WebUtils.printAsJSON(res, errorJSON);
    }

    public static JSONObject getParams(HttpServletRequest req) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(NetworkHelper.getRequestInputStream(req), "utf-8"));
        StringBuilder sb = new StringBuilder();
        String temp;
        while ((temp = br.readLine()) != null) {
            sb.append(temp);
        }
        br.close();
        return new JSONObject(sb.toString());
    }

    public static String loadIcon() {
        Icon icon = new Icon("json", IOUtils.readImage(ICON_PATH));
        IconManager.getIconManager().addIcon(icon, true);
        return icon.getName();
    }


}