Class StringBuilderWriter

java.lang.Object

java.io.Writer

org.json.StringBuilderWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public class StringBuilderWriter
extends Writer

Performance optimised alternative for StringWriter using internally a StringBuilder instead of a StringBuffer.

Field Summary

Fields

Modifier and Type	Field	Description
private final StringBuilder	builder

Fields inherited from class Writer

lock

Constructor Summary

Constructors

Constructor	Description
StringBuilderWriter()	Create a new string builder writer using the default initial string-builder buffer size.
StringBuilderWriter(int initialSize)	Create a new string builder writer using the specified initial string-builder buffer size.

Method Summary

Modifier and Type	Method	Description
StringBuilderWriter	append(char c)
StringBuilderWriter	append(CharSequence csq)
StringBuilderWriter	append(CharSequence csq, int start, int end)
void	close()
void	flush()
String	toString()
void	write(char[] cbuf, int offset, int length)
void	write(int c)
void	write(String str)
void	write(String str, int offset, int length)

Methods inherited from class Writer

write

Methods inherited from class Object

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

Field Details

builder

private final StringBuilder builder

Constructor Details

StringBuilderWriter

public StringBuilderWriter()

Create a new string builder writer using the default initial string-builder buffer size.

StringBuilderWriter

public StringBuilderWriter(int initialSize)

Create a new string builder writer using the specified initial string-builder buffer size.

Parameters:

initialSize - The number of char values that will fit into this buffer before it is automatically expanded

Throws:

IllegalArgumentException - If initialSize is negative

Method Details

write

public void write(int c)

Overrides:

write in class Writer

write

public void write(char[] cbuf,
 int offset,
 int length)

Specified by:

write in class Writer

write

public void write(String str)

Overrides:

write in class Writer

write

public void write(String str,
 int offset,
 int length)

Overrides:

write in class Writer

append

public StringBuilderWriter append(CharSequence csq)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

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

Specified by:

append in interface Appendable

Overrides:

append in class Writer

append

public StringBuilderWriter append(char c)

Specified by:

append in interface Appendable

Overrides:

append in class Writer

toString

public String toString()

Overrides:

toString in class Object

flush

public void flush()

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Writer

Throws:

IOException