com.github.panhongan.util.StringUtil Maven / Gradle / Ivy
package com.github.panhongan.util;
import java.util.ArrayList;
import java.util.List;
public class StringUtil {
public static boolean isEmpty(String str){
return (ObjectUtil.isNull(str) || str.isEmpty());
}
public static List sperate(String str, String regex) {
List list = new ArrayList();
String [] arr = str.split(regex);
if (arr != null && arr.length > 0) {
for (int i = 0; i < arr.length; ++i) {
if (!arr[i].isEmpty()) {
list.add(arr[i]);
}
}
}
return list;
}
public static String toString(Object obj) {
String str = "null";
if (obj != null) {
str = obj.toString();
}
return str;
}
public static String trimPrefix(String str, String prefix) {
String ret = str;
if (str != null && str.startsWith(prefix)) {
ret = str.substring(prefix.length());
}
return ret;
}
public static String trimSuffix(String str, String suffix) {
String ret = str;
if (str != null && str.endsWith(suffix)) {
ret = str.substring(0, str.length() - suffix.length());
}
return ret;
}
public static String trim(String str, String prefix, String suffix) {
String ret = str;
if (str != null) {
int start_offset = 0;
int end_offset = str.length();
if (prefix != null && str.startsWith(prefix)) {
start_offset += prefix.length();
}
if (suffix != null && str.endsWith(suffix)) {
end_offset -= suffix.length();
}
ret = str.substring(start_offset, end_offset);
}
return ret;
}
}