Package org.apache.juneau.internal

Class StringBuilderWriter

java.lang.Object

java.io.Writer

org.apache.juneau.internal.StringBuilderWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public final class StringBuilderWriter
extends Writer

Similar to StringWriter, but uses a StringBuilder instead to avoid synchronization overhead.

Notes:

• This class is not thread safe.

See Also:

Field Summary

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor	Description
StringBuilderWriter()	Create a new string writer using the default initial string-builder size.
StringBuilderWriter(int initialSize)	Create a new string writer using the specified initial string-builder size.
StringBuilderWriter(StringBuilder sb)	Create a new string writer around an existing string builder.

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 start, int length)
void	write(int c)
void	write(String str)
void	write(String str, int off, int len)

Methods inherited from class java.io.Writer

nullWriter, write

Methods inherited from class java.lang.Object

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

Constructor Details

StringBuilderWriter

public StringBuilderWriter()

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

StringBuilderWriter

public StringBuilderWriter(StringBuilder sb)

Create a new string writer around an existing string builder.

Parameters:

sb - The string builder being wrapped.

StringBuilderWriter

public StringBuilderWriter(int initialSize)

Create a new string writer using the specified initial string-builder 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 start,
 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 off,
 int len)

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