org.dromara.hutool.core.text.replacer

Class StrReplacer

java.lang.Object

org.dromara.hutool.core.text.replacer.StrReplacer

All Implemented Interfaces:

Serializable, Function<CharSequence,CharSequence>, UnaryOperator<CharSequence>

Direct Known Subclasses:

HighMultiReplacer, HighMultiReplacerV2, LookupReplacer, NumericEntityUnescaper, RangeReplacerByChar, RangeReplacerByStr, ReplacerChain, SearchReplacer

public abstract class StrReplacer
extends Object
implements UnaryOperator<CharSequence>, Serializable

抽象字符串替换类
通过实现replace方法实现局部替换逻辑

Since:

4.1.5

Author:

looly

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StrReplacer()

Method Summary

Modifier and Type	Method and Description
CharSequence	apply(CharSequence str) 执行替换，按照replace(CharSequence, int, StringBuilder)逻辑替换对应部分，其它部分保持原样
protected abstract int	replace(CharSequence str, int pos, StringBuilder out) 抽象的字符串替换方法，通过传入原字符串和当前位置，执行替换逻辑，返回处理或替换的字符串长度部分。

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.UnaryOperator

identity

Methods inherited from interface java.util.function.Function

andThen, compose

Constructor Detail

StrReplacer

public StrReplacer()

Method Detail

replace

protected abstract int replace(CharSequence str,
                               int pos,
                               StringBuilder out)

抽象的字符串替换方法，通过传入原字符串和当前位置，执行替换逻辑，返回处理或替换的字符串长度部分。

Parameters:

str - 被处理的字符串

pos - 当前位置

out - 输出

Returns:

处理的原字符串长度，0表示跳过此字符

apply

public CharSequence apply(CharSequence str)

执行替换，按照replace(CharSequence, int, StringBuilder)逻辑替换对应部分，其它部分保持原样

Specified by:

apply in interface Function<CharSequence,CharSequence>

Parameters:

str - 被处理的字符串

Returns:

替换后的字符串