cn.hutool.core.text.replacer

Class StrReplacer

java.lang.Object

cn.hutool.core.text.replacer.StrReplacer

All Implemented Interfaces:

Replacer<CharSequence>, Serializable

Direct Known Subclasses:

LookupReplacer, NumericEntityUnescaper, ReplacerChain

public abstract class StrReplacer
extends Object
implements Replacer<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	replace(CharSequence t) 替换指定类型为目标类型
protected abstract int	replace(CharSequence str, int pos, StrBuilder 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

Constructor Detail

StrReplacer

public StrReplacer()

Method Detail

replace

protected abstract int replace(CharSequence str,
                               int pos,
                               StrBuilder 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

replace

public CharSequence replace(CharSequence t)

Description copied from interface: Replacer

替换指定类型为目标类型

Specified by:

replace in interface Replacer<CharSequence>

Parameters:

t - 被替换的对象

Returns:

替代后的对象