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package com.fanruan.api.decision;
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import com.fanruan.api.log.LogKit;
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import com.fanruan.api.util.StringKit;
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import com.fr.base.Base64;
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import com.fr.base.ServerConfig;
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import com.fr.decision.webservice.utils.DecisionServiceConstants;
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import com.fr.decision.webservice.utils.WebServiceUtils;
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import com.fr.stable.StringUtils;
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import javax.servlet.http.HttpServletRequest;
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import java.awt.Image;
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/**
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* @author richie
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* @version 10.0
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* Created by richie on 2019-09-19
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* 常规工具类
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*/
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public class CommonKit {
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/**
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* 这个方法用于判断从前端返回服务器端的密码是否有被修改过
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*
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* @param password 从前端返回的密码文本
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* @return 如果密码没有被修改过就返回true,否则就返回false
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*/
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public static boolean isDefaultPasswordHolderString(String password) {
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return DecisionServiceConstants.DEFAULT_PASSWORD.equals(password);
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}
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/**
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* 获取默认密码占位符
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*
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* @return 默认密码占位符
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*/
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public static String fetchDefaultPasswordHolderString() {
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return DecisionServiceConstants.DEFAULT_PASSWORD;
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}
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/**
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* 将base64编码的字符串转为常规的字符串
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*
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* @param encodeStr base64编码的字符串
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* @return 常规字符串
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*/
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public static String getBase64DecodeStr(String encodeStr) {
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try {
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if (StringUtils.isNotEmpty(encodeStr)) {
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return new String(Base64.decode(encodeStr), ServerConfig.getInstance().getServerCharset());
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}
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} catch (Exception e) {
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LogKit.error(e.getMessage(), e);
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}
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return StringKit.EMPTY;
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}
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/**
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* 将图片对象用指定的格式输出成base64编码表示的字符串
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*
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* @param im 图片对象
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* @param format 要输出的格式
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* @return 表示图片的base64编码的字符串
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*/
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public static String encode(Image im, String format) {
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return Base64.encode(im, format);
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}
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/**
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* 是否是ajax请求
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*
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* @param request http请求
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* @return 是否是ajax请求
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*/
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public static boolean ajaxRequest(HttpServletRequest request) {
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return WebServiceUtils.ajaxRequest(request);
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}
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}
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