package com.se.system.utils;
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import com.se.system.domain.StaticData;
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import java.math.BigInteger;
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import java.security.MessageDigest;
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import java.sql.Timestamp;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import java.util.UUID;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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@SuppressWarnings("ALL")
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public class StringUtils {
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public static final Pattern NUMBER_PATTERN = Pattern.compile("-?\\d+(\\.\\d+)?");
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public static final SimpleDateFormat YMD_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
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public static final SimpleDateFormat YMDHMS_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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public static final SimpleDateFormat YMD2_FORMAT = new SimpleDateFormat("yyyyMMdd");
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public static final SimpleDateFormat YMDHMS2_FORMAT = new SimpleDateFormat("yyyyMMddHHmmss");
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public static boolean isInteger(String str) {
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return str != null && str.matches("[0-9]+");
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}
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public static boolean isNumeric(String str) {
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return str != null && str.matches("-?\\d+(\\.\\d+)?");
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}
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public static boolean isNumeric2(String str) {
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return str != null && NUMBER_PATTERN.matcher(str).matches();
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}
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public static Pattern datePattern = Pattern.compile("^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/]((((0?[13578])|(1[02]))[\\-\\/]((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/]((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/]((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/]((((0?[13578])|(1[02]))[\\-\\/]((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/]((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/]((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$");
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public static Pattern sqlPattern = Pattern.compile("|and|exec|execute|insert|select|delete|update|count|drop|\\*|%|chr|mid|master|truncate|char|declare|sitename|net user|xp_cmdshell|;|or|-|\\+|,|like");
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public static Date parseDate(String str) {
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try {
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return YMD_FORMAT.parse(str);
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} catch (Exception ex) {
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return null;
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}
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}
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public static Date parseTime(String str) {
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try {
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return YMDHMS_FORMAT.parse(str);
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} catch (Exception e) {
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return null;
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}
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}
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public static boolean isDate(String strDate) {
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Matcher m = datePattern.matcher(strDate);
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return m.matches();
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}
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public static boolean isNull(String str) {
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return null == str || str.length() == 0;
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}
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public static boolean isEmpty(String str) {
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return null == str || "".equals(str.trim());
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}
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public static String getLikeStr(String str) {
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return StringUtils.isEmpty(str) ? null : "%" + str.trim() + "%";
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}
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public static String getLikeUpperStr(String str) {
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return StringUtils.isEmpty(str) ? null : "%" + str.trim().toUpperCase() + "%";
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}
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public static String getRightLike(String str) {
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return StringUtils.isEmpty(str) ? null : str.trim() + "%";
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}
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public static String getGeomWkt(String wkt) {
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if (StringUtils.isEmpty(wkt)) {
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return "null";
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}
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return String.format("ST_GeomFromText('%s')", wkt);
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}
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public static String firstCharToUpperCase(String str) {
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return str.substring(0, 1).toUpperCase() + str.substring(1);
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}
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public static String firstCharToLowerCase(String str) {
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return str.substring(0, 1).toLowerCase() + str.substring(1);
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}
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public static boolean isSqlInjection(String str) {
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if (null == str) {
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return false;
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}
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Matcher m = sqlPattern.matcher(str);
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return m.matches();
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}
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public static boolean isPwdInvalid(String pwd) {
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return !Pattern.matches(StaticData.PWD_REG, pwd);
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}
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public static String getGuid() {
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return UUID.randomUUID().toString();
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}
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public static long getMinuteDifference(Timestamp ts) {
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return (ts.getTime() - System.currentTimeMillis()) / 1000 / 60;
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}
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public static <T> String join(List<T> list, String join) {
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if (null == list || list.isEmpty()) {
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return "";
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}
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StringBuilder sb = new StringBuilder();
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for (T t : list) {
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if (null != t) {
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sb.append(t.toString()).append(join);
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}
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}
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if (sb.length() > 0 && sb.lastIndexOf(join) == sb.length() - join.length()) {
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sb.delete(sb.length() - join.length(), sb.length());
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}
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return sb.toString();
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}
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public static List<Integer> strToIntegers(String str) {
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if (StringUtils.isEmpty(str)) {
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return null;
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}
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List<Integer> list = new ArrayList<>();
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for (String s : str.split(StaticData.COMMA)) {
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list.add(Integer.parseInt(s));
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}
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return list;
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}
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public static String md5(String str) {
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if (str == null || str.length() == 0) return null;
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try {
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MessageDigest md5 = MessageDigest.getInstance("MD5");
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md5.update(str.getBytes());
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byte[] byteArray = md5.digest();
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BigInteger bigInt = new BigInteger(1, byteArray);
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// 参数16表示16进制
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String result = bigInt.toString(16);
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// 不足32位高位补零
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while (result.length() < 32) {
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result = "0" + result;
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}
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return result;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return null;
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}
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}
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