Package com.nomagic.magicreport.engine

Class MemoryWriter

java.lang.Object

java.io.Writer

com.nomagic.magicreport.engine.MemoryWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

@OpenApiAll
public class MemoryWriter
extends Writer

A character stream that collects its output in a memory.

Since:

Apr 30, 2008

Field Summary

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
void	close()	Close the stream.
void	flush()	Flush the stream.
StringBuilder	getBuffer()	Return the string buffer itself.
long	size()	Return the size of current written data.
String	toString()	Return the buffer's current value as a string.
void	write(char[] cbuf, int off, int len)	Write a portion of an array of characters.
void	write(int c)	Write a single character.
void	write(String str)	Write a string.
void	write(String str, int off, int len)	Write a portion of a string.

Methods inherited from class java.io.Writer

append, append, append, nullWriter, write

Methods inherited from class java.lang.Object

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

Constructor Details

MemoryWriter

public MemoryWriter()

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

MemoryWriter

public MemoryWriter(int initialSize)

Create a new memory writer using the specified initial string-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)
           throws IOException

Write a single character.

Overrides:

write in class Writer

Parameters:

c - character

Throws:

IOException - If an I/O error occurs

write

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

Write a portion of an array of characters.

Specified by:

write in class Writer

Parameters:

cbuf - Array of characters

off - Offset from which to start writing characters

len - Number of characters to write

Throws:

IOException - If an I/O error occurs

write

public void write(String str)

Write a string.

Overrides:

write in class Writer

Parameters:

str - string to write

write

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

Write a portion of a string.

Overrides:

write in class Writer

Parameters:

str - String to be written

off - Offset from which to start writing characters

len - Number of characters to write

toString

public String toString()

Return the buffer's current value as a string.

Overrides:

toString in class Object

Returns:

current value as a string.

flush

public void flush()

Flush the stream.

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

close

public void close()
           throws IOException

Close the stream.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Writer

Throws:

IOException - If an I/O error occurs

getBuffer

public StringBuilder getBuffer()
                        throws IOException

Return the string buffer itself.

Returns:

StringBuilder holding the current buffer value.

Throws:

IOException - the stream has been closed

size

public long size()

Return the size of current written data.

Returns:

writer size