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Préférences
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JavaTM 2 Platform Std. Ed. v1.4.2
java.io
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Field Summary | |
protected char[] |
buf
The character buffer. |
protected int |
count
The index of the end of this buffer. |
protected int |
markedPos
The position of mark in buffer. |
protected int |
pos
The current buffer position. |
Fields inherited from class java.io.Reader |
lock |
Constructor Summary | |
CharArrayReader(char[] buf)
Create an CharArrayReader from the specified array of chars. |
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CharArrayReader(char[] buf,
int offset,
int length)
Create an CharArrayReader from the specified array of chars. |
Method Summary | |
void |
close()
Close the stream. |
void |
mark(int readAheadLimit)
Mark the present position in the stream. |
boolean |
markSupported()
Tell whether this stream supports the mark() operation, which it does. |
int |
read()
Read a single character. |
int |
read(char[] b,
int off,
int len)
Read characters into a portion of an array. |
boolean |
ready()
Tell whether this stream is ready to be read. |
void |
reset()
Reset the stream to the most recent mark, or to the beginning if it has never been marked. |
long |
skip(long n)
Skip characters. |
Methods inherited from class java.io.Reader |
read |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected char[] buf
protected int pos
protected int markedPos
protected int count
Constructor Detail |
public CharArrayReader(char[] buf)
buf
- Input buffer (not copied)public CharArrayReader(char[] buf, int offset, int length)
buf
- Input buffer (not copied)offset
- Offset of the first char to readlength
- Number of chars to readMethod Detail |
public int read() throws IOException
IOException
- If an I/O error occurspublic int read(char[] b, int off, int len) throws IOException
b
- Destination bufferoff
- Offset at which to start storing characterslen
- Maximum number of characters to read
IOException
- If an I/O error occurspublic long skip(long n) throws IOException
n
- The number of characters to skip
IOException
- If an I/O error occurspublic boolean ready() throws IOException
IOException
- If an I/O error occurspublic boolean markSupported()
markSupported
in class Reader
public void mark(int readAheadLimit) throws IOException
readAheadLimit
- Limit on the number of characters that may be
read while still preserving the mark. Because
the stream's input comes from a character array,
there is no actual limit; hence this argument is
ignored.
IOException
- If an I/O error occurspublic void reset() throws IOException
IOException
- If an I/O error occurspublic void close()