com.jfinal.template.io

Class FastStringWriter

java.lang.Object

java.io.Writer

com.jfinal.template.io.FastStringWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public class FastStringWriter
extends Writer

FastStringWriter

 由 JDK 中 StringWriter 改造而来，在其基础之上做了如下改变：
 1：StringBuffer 属性改为 StringBuilder，避免了前者的 synchronized 操作
 2：添加了 MAX_SIZE 属性
 3：去掉了 close() 方法声明中的 throws IOException，并添加了代码，原先该方法中无任何代码
 

Field Summary

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor and Description
FastStringWriter()
FastStringWriter(int initialSize)

Method Summary

Modifier and Type	Method and Description
FastStringWriter	append(char c)
FastStringWriter	append(CharSequence csq)
FastStringWriter	append(CharSequence csq, int start, int end)
void	close() 由 StringWriter.close() 改造而来，原先该方法中无任何代码 ，改造如下： 1：去掉 throws IOException 2：添加 buf 空间释放处理逻辑 3：添加 buf.setLength(0)，以便于配合 ThreadLocal 回收利用
void	flush()
StringBuilder	getBuffer()
String	toString()
void	write(char[] cbuf, int off, int len)
void	write(int c)
void	write(String str)
void	write(String str, int off, int len)

Methods inherited from class java.io.Writer

write

Methods inherited from class java.lang.Object

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

Constructor Detail

FastStringWriter

public FastStringWriter()

FastStringWriter

public FastStringWriter(int initialSize)

Method Detail

write

public void write(int c)

Overrides:

write in class Writer

write

public void write(char[] cbuf,
                  int off,
                  int len)

Specified by:

write in class Writer

write

public void write(String str)

Overrides:

write in class Writer

write

public void write(String str,
                  int off,
                  int len)

Overrides:

write in class Writer

append

public FastStringWriter append(CharSequence csq)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

public FastStringWriter append(CharSequence csq,
                               int start,
                               int end)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

public FastStringWriter append(char c)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

toString

public String toString()

Overrides:

toString in class Object

getBuffer

public StringBuilder getBuffer()

flush

public void flush()

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

close

public void close()

由 StringWriter.close() 改造而来，原先该方法中无任何代码 ，改造如下： 1：去掉 throws IOException 2：添加 buf 空间释放处理逻辑 3：添加 buf.setLength(0)，以便于配合 ThreadLocal 回收利用

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class Writer