Spec-Zone .ru
спецификации, руководства, описания, API
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JavaTM 2 Platform Std. Ed. v1.3.1 |
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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--java.io.Writer | +--java.io.CharArrayWriter
This class implements a character buffer that can be used as an Writer. The buffer automatically grows when data is written to the stream. The data can be retrieved using toCharArray() and toString().
Field Summary | |
protected char[] |
buf
The buffer where data is stored. |
protected int |
count
The number of chars in the buffer. |
Fields inherited from class java.io.Writer |
lock |
Constructor Summary | |
CharArrayWriter()
Creates a new CharArrayWriter. |
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CharArrayWriter(int initialSize)
Creates a new CharArrayWriter with the specified initial size. |
Method Summary | |
void |
close()
Close the stream. |
void |
flush()
Flush the stream. |
void |
reset()
Resets the buffer so that you can use it again without throwing away the already allocated buffer. |
int |
size()
Returns the current size of the buffer. |
char[] |
toCharArray()
Returns a copy of the input data. |
String |
toString()
Converts input data to a string. |
void |
write(char[] c,
int off,
int len)
Writes characters to the buffer. |
void |
write(int c)
Writes a character to the buffer. |
void |
write(String str,
int off,
int len)
Write a portion of a string to the buffer. |
void |
writeTo(Writer out)
Writes the contents of the buffer to another character stream. |
Methods inherited from class java.io.Writer |
write, write |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
protected char[] buf
protected int count
Constructor Detail |
public CharArrayWriter()
public CharArrayWriter(int initialSize)
initialSize
- an int specifying the initial buffer size.IllegalArgumentException
- if initialSize is negativeMethod Detail |
public void write(int c)
write
in class Writer
java.io.Writer
c
- int specifying a character to be written.IOException
- If an I/O error occurspublic void write(char[] c, int off, int len)
write
in class Writer
c
- the data to be writtenoff
- the start offset in the datalen
- the number of chars that are writtenpublic void write(String str, int off, int len)
write
in class Writer
str
- String to be written fromoff
- Offset from which to start reading characterslen
- Number of characters to be writtenpublic void writeTo(Writer out) throws IOException
out
- the output stream to write toIOException
- If an I/O error occurs.public void reset()
public char[] toCharArray()
public int size()
public String toString()
toString
in class Object
public void flush()
flush
in class Writer
java.io.Writer
IOException
- If an I/O error occurspublic void close()
close
in class Writer
java.io.Writer
IOException
- If an I/O error occurs
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JavaTM 2 Platform Std. Ed. v1.3.1 |
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