package com.iailab.framework.common.util.string;
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import cn.hutool.core.text.StrPool;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.util.StrUtil;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.List;
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import java.util.Set;
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import java.util.stream.Collectors;
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/**
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* 字符串工具类
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*
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* @author iailab
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*/
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public class StrUtils {
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public static String maxLength(CharSequence str, int maxLength) {
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return StrUtil.maxLength(str, maxLength - 3); // -3 的原因,是该方法会补充 ... 恰好
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}
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/**
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* 给定字符串是否以任何一个字符串开始
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* 给定字符串和数组为空都返回 false
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*
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* @param str 给定字符串
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* @param prefixes 需要检测的开始字符串
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* @since 3.0.6
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*/
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public static boolean startWithAny(String str, Collection<String> prefixes) {
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if (StrUtil.isEmpty(str) || ArrayUtil.isEmpty(prefixes)) {
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return false;
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}
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for (CharSequence suffix : prefixes) {
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if (StrUtil.startWith(str, suffix, false)) {
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return true;
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}
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}
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return false;
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}
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public static List<Long> splitToLong(String value, CharSequence separator) {
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long[] longs = StrUtil.splitToLong(value, separator);
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return Arrays.stream(longs).boxed().collect(Collectors.toList());
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}
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public static Set<Long> splitToLongSet(String value) {
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return splitToLongSet(value, StrPool.COMMA);
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}
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public static Set<Long> splitToLongSet(String value, CharSequence separator) {
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long[] longs = StrUtil.splitToLong(value, separator);
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return Arrays.stream(longs).boxed().collect(Collectors.toSet());
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}
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public static List<Integer> splitToInteger(String value, CharSequence separator) {
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int[] integers = StrUtil.splitToInt(value, separator);
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return Arrays.stream(integers).boxed().collect(Collectors.toList());
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}
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/**
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* 移除字符串中,包含指定字符串的行
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*
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* @param content 字符串
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* @param sequence 包含的字符串
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* @return 移除后的字符串
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*/
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public static String removeLineContains(String content, String sequence) {
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if (StrUtil.isEmpty(content) || StrUtil.isEmpty(sequence)) {
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return content;
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}
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return Arrays.stream(content.split("\n"))
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.filter(line -> !line.contains(sequence))
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.collect(Collectors.joining("\n"));
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}
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/**
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* 判断字符串是不是数字
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*
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* @param str
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* @return
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*/
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public static boolean isNumeric(String str) {
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return str.matches("-?\\d+(\\.\\d+)?");
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}
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}
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