com.fasterxml.jackson.core.io

Class SegmentedStringWriter

java.lang.Object

java.io.Writer

com.fasterxml.jackson.core.io.SegmentedStringWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public final class SegmentedStringWriter
extends Writer

Efficient alternative to StringWriter, based on using segmented internal buffer. Initial input buffer is also recyclable.

This class is most useful when serializing JSON content as a String: if so, instance of this class can be given as the writer to JsonGenerator.

Field Summary

Fields

Modifier and Type	Field and Description
protected TextBuffer	_buffer

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor and Description
SegmentedStringWriter(BufferRecycler br)

Method Summary

Methods

Modifier and Type	Method and Description
Writer	append(char c)
Writer	append(CharSequence csq)
Writer	append(CharSequence csq, int start, int end)
void	close()
void	flush()
String	getAndClear() Main access method that will construct a String that contains all the contents, release all internal buffers we may have, and return result String.
void	write(char[] cbuf)
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.lang.Object

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

Field Detail

_buffer

protected final TextBuffer _buffer

Constructor Detail

SegmentedStringWriter

public SegmentedStringWriter(BufferRecycler br)

Method Detail

append

public Writer append(char c)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

public Writer append(CharSequence csq)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

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

Specified by:

append in interface Appendable

Overrides:

append in class Writer

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class Writer

flush

public void flush()

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

write

public void write(char[] cbuf)

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(int c)

Overrides:

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

getAndClear

public String getAndClear()

Main access method that will construct a String that contains all the contents, release all internal buffers we may have, and return result String. Note that the method is not idempotent -- if called second time, will just return an empty String.