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java 常用工具类,作为 apache-commons的补充
package com.centit.support.algorithm;
import org.apache.commons.lang3.StringUtils;
import java.util.Calendar;
import java.util.regex.Pattern;
@SuppressWarnings("unused")
public abstract class StringRegularOpt {
private StringRegularOpt() {
throw new IllegalAccessError("Utility class");
}
public static String trimString(String szWord)
{
if(szWord==null)
return "";
String strWord = szWord.trim();
int sl = strWord.length();
if(sl >= 2 && (( strWord.charAt(0)=='\"' && strWord.charAt(sl-1)=='\"') ||
( strWord.charAt(0)=='\'' && strWord.charAt(sl-1)=='\'')) ){
if(sl>2)
strWord = strWord.substring(1,sl-1);
else
strWord = "";
}
return strWord;
}
public static String trimStringQuoted(String szWord){
return trimString(szWord);
}
public static String quotedString(String szWord)
{
if(szWord==null)
return "\"\"";
return "\"" + StringUtils.replace(szWord.trim(), "\"", "'") + "\"";
}
public static boolean isDigit(String pszNum){
return StringUtils.isNumeric(pszNum);
}
public static boolean isNumber(String pszNum)
{
String szNum = trimString(pszNum);
int sl = szNum.length();
if (sl<1) return false;
int sp=0;
while(sp='0' && szNum.charAt(sp)<= '9'){
sp++;
continue;
}
if(szNum.charAt(sp) == '.') {
sp++;
break;
}
return false;
}
//if ((sp==sl) && (sl>1) && (szNum.charAt(sp-1)!='.') && (szNum.charAt(0)=='0')) return false;;
while(sp='0' && szNum.charAt(sp)<= '9'){
sp++;
}else
return false;
}
return true;
}
public static boolean isString(String szWord)
{
if(szWord==null)
return false;
String strWord = szWord.trim();
int sl = strWord.length();
return (sl >= 2 && (( strWord.charAt(0)=='\"' && strWord.charAt(sl-1)=='\"') ||
( strWord.charAt(0)=='\'' && strWord.charAt(sl-1)=='\'')) );
}
/**
* 判断字符串是否为空(null || ""),是：true,否：false
* 和StringUtils中的isBlank等价 建议使用 StringUtils.isBlank
* @param str str
* @return boolean 字符串是否为空
* @see org.apache.commons.lang3.StringUtils
*/
public static boolean isNvl(String str) {
return (str == null) || "".equals(str.trim());
}
public static boolean isTrue(String str )
{
/**
* //SONAR 检查不通过，但是这个是对的，式作为常量的加速判断
*/
if (str == "true") {
return true;
}
if (str == null) {
return false;
}
switch (str.length()) {
case 1: {
final char ch0 = str.charAt(0);
if (ch0 == 'y' || ch0 == 'Y' ||
ch0 == 't' || ch0 == 'T' || ch0 == '1') {
return true;
}
break;
}
case 2: {
final char ch0 = str.charAt(0);
final char ch1 = str.charAt(1);
if ((ch0 == 'o' || ch0 == 'O') &&
(ch1 == 'n' || ch1 == 'N') ) {
return true;
}
break;
}
case 3: {
final char ch0 = str.charAt(0);
final char ch1 = str.charAt(1);
final char ch2 = str.charAt(2);
if ((ch0 == 'y' || ch0 == 'Y') &&
(ch1 == 'e' || ch1 == 'E') &&
(ch2 == 's' || ch2 == 'S') ) {
return true;
}
break;
}
case 4: {
final char ch0 = str.charAt(0);
final char ch1 = str.charAt(1);
final char ch2 = str.charAt(2);
final char ch3 = str.charAt(3);
if ((ch0 == 't' || ch0 == 'T') &&
(ch1 == 'r' || ch1 == 'R') &&
(ch2 == 'u' || ch2 == 'U') &&
(ch3 == 'e' || ch3 == 'E') ) {
return true;
}
break;
}
default:
break;
}
if(! isNumber(str)){
return false;
}
long bRes = Math.round(Double.valueOf(str));
return bRes!=0;
}
public static boolean isFalse(String str )
{
/**
* //SONAR 检查不通过，但是这个是对的，式作为常量的加速判断
*/
if (str == "false") {
return true;
}
if (str == null) {
return false;
}
switch (str.length()) {
case 1: {
final char ch0 = str.charAt(0);
if (ch0 == 'n' || ch0 == 'N' ||
ch0 == 'f' || ch0 == 'F' || ch0 == '0') {
return true;
}
break;
}
case 2: {
final char ch0 = str.charAt(0);
final char ch1 = str.charAt(1);
if ((ch0 == 'n' || ch0 == 'N') &&
(ch1 == 'o' || ch1 == 'O') ) {
return true;
}
break;
}
case 3: {
final char ch0 = str.charAt(0);
final char ch1 = str.charAt(1);
final char ch2 = str.charAt(2);
if ((ch0 == 'o' || ch0 == 'O') &&
(ch1 == 'f' || ch1 == 'F') &&
(ch2 == 'f' || ch2 == 'F') ) {
return true;
}
break;
}
case 5: {
final char ch0 = str.charAt(0);
final char ch1 = str.charAt(1);
final char ch2 = str.charAt(2);
final char ch3 = str.charAt(3);
final char ch4 = str.charAt(4);
if ((ch0 == 'f' || ch0 == 'F') &&
(ch1 == 'a' || ch1 == 'A') &&
(ch2 == 'l' || ch2 == 'L') &&
(ch3 == 's' || ch3 == 'S') &&
(ch4 == 'e' || ch4 == 'E') ) {
return true;
}
break;
}
default:
break;
}
if(! isNumber(str)){
return false;
}
long bRes = Math.round(Double.valueOf(str));
return bRes==0;
}
public static boolean isDatetime(String szTime ,Calendar t_time)
{
if(szTime==null)
return false;
//t_time.setTime(time)
int sl = szTime.length();
int sp=0;
int s=0;
String c="";
int y,m,d,h,min,sec;
while(sp '9')) sp++;
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<4)
c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime[sp] == '-')
sp++;
break;
}//check year
y = Integer.valueOf(c);
if(y < 1970 || y>2038) return false;
while(sp '9')) sp++;
s=0; c="";
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2)
c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime.charAt(sp) == '-')
sp++;
break;
}//check month
if(s > 2) return false;
m = Integer.valueOf(c);
if(m<1 || m >12) return false;
while(sp '9')) sp++;
s=0; c="";
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2) c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime.charAt(sp) == '-')
sp++;
break;
}//check day
if(s > 2) return false;
d = Integer.valueOf(c);
if(d<1 || d >31) return false;
while(sp '9')) sp++;
s=0; c="";
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2) c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime.charAt(sp) == ':')
sp++;
break;
}//check hour
if(s > 2) return false;
h = Integer.valueOf(c);
if(h<0 || h >24) return false;
while(sp '9')) sp++;
s=0; c="";
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2) c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime.charAt(sp) == ':')
sp++;
break;
}//check minute
if(s > 2) return false;
min = Integer.valueOf(c);
if(min<0 || min >60) return false;
s=0; c="";
while(sp '9')) sp++;
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2) c += szTime.charAt(sp);
sp++;s++;
continue;
}
break;
}//check second
if(s > 2) return false;
sec = Integer.valueOf(c);
if(sec<0 || sec >60) return false;
t_time.set(y,m,d,h,min,sec);
return true;
}
public static boolean isDatetime(String szTime ){
Calendar t_time = Calendar.getInstance();
boolean b = isDatetime(szTime ,t_time);
return b;
}
public static boolean isDate(String szTime ,Calendar t_time)
{
if(szTime==null)
return false;
//t_time.setTime(time)
int sl = szTime.length();
int sp=0;
int s=0;
String c="";
int y,m,d;
while(sp '9')) sp++;
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<4)
c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime[sp] == '-')
sp++;
break;
}//check year
y = Integer.valueOf(c);
if(y < 1970 || y>2038) return false;
while(sp '9')) sp++;
s=0; c="";
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2)
c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime.charAt(sp) == '-')
sp++;
break;
}//check month
if(s > 2) return false;
m = Integer.valueOf(c);
if(m<1 || m >12) return false;
while(sp '9')) sp++;
s=0; c="";
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2) c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime.charAt(sp) == '-')
sp++;
break;
}//check day
if(s > 2) return false;
d = Integer.valueOf(c);
if(d<1 || d >31) return false;
t_time.set(y,m,d,0,0,0);
return true;
}
public static boolean isDate(String szTime ){
Calendar t_time = Calendar.getInstance();
boolean b = isDate(szTime ,t_time);
return b;
}
public static boolean isTime(String szTime ,Calendar t_time)
{
if(szTime==null)
return false;
//t_time.setTime(time)
int sl = szTime.length();
int sp=0;
int s=0;
String c="";
int h,min,sec;
while(sp '9')) sp++;
s=0; c="";
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2) c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime.charAt(sp) == ':')
sp++;
break;
}//check hour
if(s > 2) return false;
h = Integer.valueOf(c);
if(h<0 || h >24) return false;
while(sp '9')) sp++;
s=0; c="";
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2) c += szTime.charAt(sp);
sp++;s++;
continue;
}
//if(szTime.charAt(sp) == ':')
sp++;
break;
}//check minute
if(s > 2) return false;
min = Integer.valueOf(c);
if(min<0 || min >60) return false;
s=0; c="";
while(sp '9')) sp++;
while(sp='0' && szTime.charAt(sp)<= '9'){
if(s<2) c += szTime.charAt(sp);
sp++;s++;
continue;
}
break;
}//check second
if(s > 2) return false;
sec = Integer.valueOf(c);
if(sec<0 || sec >60) return false;
t_time.set(2010,10,10,h,min,sec);
return true;
}
public static boolean isTime(String szTime ){
Calendar t_time = Calendar.getInstance();
boolean b = isTime(szTime ,t_time);
return b;
}
public static String trimDateString(String szDateStr)
{
if(szDateStr==null)
return null;
int sl = szDateStr.length();
StringBuilder sB = new StringBuilder();
String sTmp2 ="";
int nPart = 0;
boolean bDot = false;
boolean hasYearPart = false;
for( int j=0; j< sl; j++){
if (szDateStr.charAt(j) >= '0' && szDateStr.charAt(j) <= '9'){
if (bDot){
if(!"".equals(sTmp2)){
if(nPart>0 && nPart<3)
sB.append('-');
else if(nPart==3)
sB.append(' ');
else if(nPart>3 && nPart<6)
sB.append(':');
nPart ++;
if(sTmp2.length() == 1){
sB.append('0');
}
if(sTmp2.length()>0)
sB.append(sTmp2);
sTmp2 ="";
}
bDot = false;
}
if(nPart>=6)
break;
sTmp2 = sTmp2 + szDateStr.charAt(j);
if( (hasYearPart || nPart>3) && (sTmp2.length()==2 || sTmp2.charAt(0)>'5' ) ){
bDot = true;
}else if( (nPart<3 && sTmp2.length()==4)) {
hasYearPart = true;
bDot = true;
}
}else{ //if(! sTmp2.equals(""))
bDot = true;
}
}
if(!"".equals(sTmp2)){
if(nPart>0 && nPart<3)
sB.append('-');
else if(nPart==3)
sB.append(' ');
else if(nPart>3 && nPart<6)
sB.append(':');
if(sTmp2.length() == 1){
sB.append('0');
}
if(sTmp2.length()>0)
sB.append(sTmp2);
}
return sB.toString();
}
public static String trimDigits(String szDigits)
{
if(szDigits==null)
return null;
int sl = szDigits.length();
StringBuilder sTmp2 = new StringBuilder("");
for( int j=0; j< sl; j++){
if (szDigits.charAt(j) >= '0' && szDigits.charAt(j) <= '9')
sTmp2.append(szDigits.charAt(j));
}
return sTmp2.toString();
}
public static String trimNumber(String szNumber)
{
if(szNumber==null)
return null;
int sp=0;
int sl = szNumber.length();
StringBuilder sTmp2 = new StringBuilder("");
for( int j=0; j< sl; j++){
if (szNumber.charAt(j) >= '0' && szNumber.charAt(j) <= '9')
sTmp2.append(szNumber.charAt(j));
else if(sp==0 && szNumber.charAt(j) == '.'){
sTmp2.append(szNumber.charAt(j));
sp=1;
}
}
return sTmp2.toString();
}
public static String sqlMatchToRegex(String sTempl){
return "^"+sTempl.replaceAll("%", "\\\\S*").replaceAll("_", "\\\\S")+"$";
}
/*{
if(szValue==null || szTempl==null)
return false;
int nLV = szValue.length();
int nLT = szTempl.length();
if(nLV == 0){
for(int i=0;i