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90 lines
2.6 KiB
90 lines
2.6 KiB
5 years ago
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package com.fanruan.api.util;
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import com.fr.stable.StringUtils;
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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 2019-08-16
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* 字符串工具类
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*/
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public class StringKit {
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public static final String EMPTY = "";
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public static final String BLANK = " ";
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/**
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* <p>检查一个字符串是否是空字符串</p>
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* <p/>
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* <pre>
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* StringKit.isEmpty(null) = true
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* StringKit.isEmpty("") = true
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* StringKit.isEmpty(" ") = false
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* StringKit.isEmpty("bob") = false
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* StringKit.isEmpty(" bob ") = false
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* </pre>
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* <p/>
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*
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* @param text 被检查的字符串，可能为null
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* @return 如果字符串为空或者是null则返回true，否则返回false
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*/
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public static boolean isEmpty(String text) {
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return StringUtils.isEmpty(text);
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}
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/**
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* <p>检查一个字符串是否不为空字符串</p>
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* <p/>
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* <pre>
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* StringKit.isNotEmpty(null) = false
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* StringKit.isNotEmpty("") = false
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* StringKit.isNotEmpty(" ") = true
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* StringKit.isNotEmpty("bob") = true
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* StringKit.isNotEmpty(" bob ") = true
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* </pre>
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*
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* @param text 被检查的字符串，可能是null
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* @return 如果字符串不为空且不是null则返回true，否则返回false
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*/
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public static boolean isNotEmpty(String text) {
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return StringUtils.isNotEmpty(text);
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}
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/**
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* <p>检查一个字符串是否为空白字符串</p>
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* <p/>
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* <pre>
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* StringKit.isBlank(null) = true
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* StringKit.isBlank("") = true
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* StringKit.isBlank(" ") = true
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* StringKit.isBlank("bob") = false
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* StringKit.isBlank(" bob ") = false
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* </pre>
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*
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* @param text 被检查的字符串
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* @return 如果字符串为空、空格符或者null那么返回true，否则返回false
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*/
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public static boolean isBlank(String text) {
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return StringUtils.isBlank(text);
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}
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/**
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* <p>检查一个字符串是否不是空白字符串</p>
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* <p/>
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* <pre>
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* StringKit.isNotBlank(null) = false
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* StringKit.isNotBlank("") = false
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* StringKit.isNotBlank(" ") = false
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* StringKit.isNotBlank("bob") = true
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* StringKit.isNotBlank(" bob ") = true
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* </pre>
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*
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* @param text 被检查的字符串
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* @return 如果字符串不是空字符串、空格符以及null那么就返回true，否则返回false
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*/
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public static boolean isNotBlank(String text) {
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return StringUtils.isNotBlank(text);
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}
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}
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