package com.wgcloud.util; import com.googlecode.aviator.AviatorEvaluator; import com.googlecode.aviator.Expression; import com.wgcloud.util.staticvar.StaticKeys; import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.HashMap; import java.util.Map; /** * @version v3.3 * @ClassName:FormatUtil.java * @author: http://www.wgstart.com * @date: 2021年1月16日 * @Description: FormatUtil.java * @Copyright: 2019-2021 wgcloud. All rights reserved. */ public class FormatUtil { private static Logger logger = LoggerFactory.getLogger(FormatUtil.class); /** * 秒转为天小时分钟 * * @param l * @return */ public static String timesToDay(Long l) { if (l == null) { return ""; } StringBuffer sb = new StringBuffer(); long seconds = 1; long minutes = 60 * seconds; long hours = 60 * minutes; long days = 24 * hours; if (l / days >= 1) { sb.append((int) (l / days) + "天"); } if (l % days / hours >= 1) { sb.append((int) (l % days / hours) + "小时"); } if (l % days % hours / minutes >= 1) { sb.append((int) (l % days % hours / minutes) + "分钟"); } if (l % days % hours % minutes / seconds >= 1) { sb.append((int) (l % days % hours % minutes / seconds) + "秒"); } return sb.toString(); } /** * 秒转为天 * * @param l * @return */ public static String secondsToDays(Long l) { if (l == null) { return ""; } StringBuffer sb = new StringBuffer(); long seconds = 1; long minutes = 60 * seconds; long hours = 60 * minutes; long days = 24 * hours; if (l / days >= 1) { sb.append((int) (l / days) + "天"); } return sb.toString(); } /** * 截取字符串，超过指定长度时候截取，不超过时候返回原值 * * @param str * @param len * @return */ public static String getString(String str, int len) { if (StringUtils.isEmpty(str)) { return ""; } if (str.length() <= len) { return str; } return str.substring(0, len); } /** * kb转为m * * @param str * @return */ public static String kbToM(String str) { if (StringUtils.isEmpty(str)) { return "0KB"; } double result = 0; double mod = 1024d; try { double strDouble = Double.valueOf(str); if (strDouble > 1024) { result = strDouble / mod; return formatDouble(result, 2) + "MB"; } } catch (Exception e) { logger.error("kb转为M错误：", e); return str + "KB"; } return str + "KB"; } /** * m转为g * * @param str * @return */ public static String mToG(String str) { if (StringUtils.isEmpty(str)) { return "0M"; } double result = 0; double mod = 1024d; try { double strDouble = Double.valueOf(str); if (strDouble > 1024) { result = strDouble / mod; return formatDouble(result, 2) + "G"; } } catch (Exception e) { logger.error("m转为g错误：", e); return str + "M"; } return str + "M"; } /** * G转为T * * @param str * @return */ public static String gToT(String str) { if (StringUtils.isEmpty(str)) { return "0G"; } double result = 0; double mod = 1024d; try { double strDouble = Double.valueOf(str); if (strDouble > 1024) { result = strDouble / mod; return formatDouble(result, 1) + "T"; } } catch (Exception e) { logger.error("G转为T错误：", e); return str + "G"; } return formatDouble(Double.valueOf(str), 1) + "G"; } /** * bytes转为"B", "KB", "MB"", "G", "T", "P", "E", "Z", "Y" * 如果不是byte，那就是KB，那就转为byte * * @param str * @return */ public static String bytesFormatUnit(String str, String snmpUnit) { if (StringUtils.isEmpty(str) || "0".equals(str)) { return "0B"; } try { long bytes = Long.valueOf(str); if (!StaticKeys.BYTES_STR.equals(snmpUnit)) { bytes = bytes * 1024; } int k = 1024; String[] sizes = new String[]{"B", "KB", "M", "G", "T", "P", "E", "Z", "Y"}; int i = (int) Math.floor(Math.log(bytes) / Math.log(k)); if (i > sizes.length - 1) { i = sizes.length - 1; } return formatDouble(bytes / Math.pow(k, i), 2) + sizes[i]; } catch (Exception e) { logger.error("bytesFormatUnit错误", e); } return str + "B"; } /** * byte转为m * 如果不是byte，那就是KB，那就转为byte * * @param str * @return */ public static String byteToM(String str, String snmpUnit) { if (StringUtils.isEmpty(str)) { return "0B"; } double result = 0; double mod = 1024d; try { double strDouble = Double.valueOf(str); if (!StaticKeys.BYTES_STR.equals(snmpUnit)) { strDouble = strDouble * 1024; } result = strDouble / mod / mod; return formatDouble(result, 2) + "MB"; } catch (Exception e) { logger.error("kb转为M错误：", e); return str + "KB"; } } /** * 格式化double数据，截取小数点后数字 * * @param str * @param num * @return */ public static double formatDouble(Double str, int num) { if (str == null) { return 0; } java.math.BigDecimal b = new java.math.BigDecimal(str); double myNum3 = b.setScale(num, java.math.BigDecimal.ROUND_HALF_UP).doubleValue(); return myNum3; } /** * 查询sql中是否有敏感字符，有返回敏感字符串，否则返回空 * * @param sql * @return */ public static String haveSqlDanger(String sql, String sqlInKeys) { if (StringUtils.isEmpty(sql)) { return ""; } sql = sql.toLowerCase(); sqlInKeys = sqlInKeys.toLowerCase(); String[] sqlinkeys = sqlInKeys.split(","); for (String sqlinkey : sqlinkeys) { if (sql.indexOf(sqlinkey) > -1) { return sqlinkey; } } return ""; } /** * 查询下发指令内容中是否有block敏感字符，有返回敏感字符串，否则返回空 * * @param shell 下发指令内容 * @param linuxBlock linux屏蔽字符 * @param winBlock windows屏蔽字符 * @return */ public static String haveBlockDanger(String shell, String linuxBlock, String winBlock) { if (StringUtils.isEmpty(shell)) { return ""; } if (StringUtils.isEmpty(linuxBlock) && StringUtils.isEmpty(winBlock)) { return ""; } shell = shell.toLowerCase(); String[] blocks = linuxBlock.split(","); for (String blockStr : blocks) { if (shell.indexOf(blockStr) > -1) { return blockStr; } } blocks = winBlock.split(","); for (String blockStr : blocks) { if (shell.indexOf(blockStr) > -1) { return blockStr; } } return ""; } /** * 表达式校验，成立返回true，否则返回false * @param expression * @param value * @return */ public static boolean validateExpression(String expression, Object value) { if(StringUtils.isEmpty(expression) || null == value){ return false; } // 编译表达式 Expression compiledExp = AviatorEvaluator.compile(expression); Map env = new HashMap(); env.put("result", value); // 执行表达式 Boolean result = (Boolean) compiledExp.execute(env); return result; } }