Package org.miaixz.bus.core.io

Class FastStringReader

java.lang.Object
java.io.Reader
org.miaixz.bus.core.io.FastStringReader
All Implemented Interfaces:
Closeable, AutoCloseable, Readable
public class FastStringReader extends Reader
快速字符串读取，相比jdk的StringReader非线程安全，速度更快。
Since:
Java 17+
Author:
Kimi Liu

  • Field Summary

    Fields inherited from class java.io.Reader

    lock

  • Constructor Summary

    Constructors
    Constructor
    Description
    FastStringReader(String s)
    构造

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    close()
     
    void
    mark(int readAheadLimit)
     
    boolean
    markSupported()
     
    int
    read()
    读取单个字符
    int
    read(char[] charBuffer, int off, int len)
    将多个字符读取到提供的字符数组中
    boolean
    ready()
     
    void
    reset()
     
    long
    skip(long ns)
    跳过指定长度，返回跳过的字符数。 ns 参数可能为负数, 负数表示向前跳过，跳到开头则停止 如果字符串所有字符被读取或跳过, 此方法无效，始终返回0.

    Methods inherited from class java.io.Reader

    nullReader, read, read, transferTo

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • FastStringReader

      public FastStringReader(String s)
      构造
      Parameters:
      s - 供读取的String

  • Method Details

    • read

      public int read() throws IOException
      读取单个字符
      Overrides:
      read in class Reader
      Returns:
      读取的字符, -1表示读取结束
      Throws:
      IOException - IO异常

    • read

      public int read(char[] charBuffer, int off, int len) throws IOException
      将多个字符读取到提供的字符数组中
      Specified by:
      read in class Reader
      Parameters:
      charBuffer - 目标buffer
      off - 开始位置
      len - 读取最大长度
      Returns:
      读取的字符长度, -1表示读取到了末尾
      Throws:
      IOException - IO异常

    • skip

      public long skip(long ns) throws IOException
      跳过指定长度，返回跳过的字符数。 ns 参数可能为负数, 负数表示向前跳过，跳到开头则停止 如果字符串所有字符被读取或跳过, 此方法无效，始终返回0.
      Overrides:
      skip in class Reader
      Throws:
      IOException - IO异常

    • ready

      public boolean ready() throws IOException
      Overrides:
      ready in class Reader
      Throws:
      IOException

    • markSupported

      public boolean markSupported()
      Overrides:
      markSupported in class Reader

    • mark

      public void mark(int readAheadLimit) throws IOException
      Overrides:
      mark in class Reader
      Throws:
      IOException

    • reset

      public void reset() throws IOException
      Overrides:
      reset in class Reader
      Throws:
      IOException

    • close

      public void close()
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Specified by:
      close in class Reader