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Copy pathStringUtils.java
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52 lines (47 loc) · 1.33 KB
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package com.hb0730.https.utils;
import lombok.experimental.UtilityClass;
/**
* 字符串工具类
*
* @author <a></a>
* @since 3.0.0
*/
@UtilityClass
public class StringUtils {
/**
* 是否为{@code null}
*
* @param str 被检测字符
* @return 是否为 {@code null}
*/
public boolean isEmpty(String str) {
return null == str;
}
/**
* 是否为{@link ""}
*
* @param str str
* @return 是否为 {@link ""}
*/
public boolean isBlank(String str) {
return isEmpty(str) || "".equals(str);
}
/**
* 如果给定字符串{@code str}中不包含{@code appendStr}，则在{@code str}后追加{@code appendStr}；
* 如果已包含{@code appendStr}，则在{@code str}后追加{@code otherwise}
*
* @param str 给定的字符串
* @param appendStr 需要追加的内容
* @param otherwise 当{@code appendStr}不满足时追加到{@code str}后的内容
* @return 追加后的字符串
*/
public static String appendIfNotContain(final String str, final String appendStr, final String otherwise) {
if (isEmpty(str) || isEmpty(appendStr)) {
return str;
}
if (str.contains(appendStr)) {
return str.concat(otherwise);
}
return str.concat(appendStr);
}
}