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Préférences
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JavaTM 2 Platform Std. Ed. v1.6.0
java.io
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Field Summary |
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Fields inherited from class java.io.Reader |
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lock |
Constructor Summary | |
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LineNumberReader(Reader in)
Create a new line-numbering reader, using the default input-buffer size. |
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LineNumberReader(Reader in,
int sz)
Create a new line-numbering reader, reading characters into a buffer of the given size. |
Method Summary | |
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int |
getLineNumber()
Get the current line number. |
void |
mark(int readAheadLimit)
Mark the present position in the stream. |
int |
read()
Read a single character. |
int |
read(char[] cbuf,
int off,
int len)
Read characters into a portion of an array. |
String |
readLine()
Read a line of text. |
void |
reset()
Reset the stream to the most recent mark. |
void |
setLineNumber(int lineNumber)
Set the current line number. |
long |
skip(long n)
Skip characters. |
Methods inherited from class java.io.BufferedReader |
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close, markSupported, ready |
Methods inherited from class java.io.Reader |
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read, read |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public LineNumberReader(Reader in)
in
- A Reader object to provide the underlying streampublic LineNumberReader(Reader in, int sz)
in
- A Reader object to provide the underlying streamsz
- An int specifying the size of the bufferMethod Detail |
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public void setLineNumber(int lineNumber)
lineNumber
- An int specifying the line numbergetLineNumber()
public int getLineNumber()
setLineNumber(int)
public int read() throws IOException
read
in class BufferedReader
IOException
- If an I/O error occurspublic int read(char[] cbuf, int off, int len) throws IOException
read
in class BufferedReader
cbuf
- Destination bufferoff
- Offset at which to start storing characterslen
- Maximum number of characters to read
IOException
- If an I/O error occurspublic String readLine() throws IOException
readLine
in class BufferedReader
IOException
- If an I/O error occurspublic long skip(long n) throws IOException
skip
in class BufferedReader
n
- The number of characters to skip
IOException
- If an I/O error occurs
IllegalArgumentException
- If n is negativepublic void mark(int readAheadLimit) throws IOException
mark
in class BufferedReader
readAheadLimit
- Limit on the number of characters that may be read while still
preserving the mark. After reading this many characters,
attempting to reset the stream may fail.
IOException
- If an I/O error occurspublic void reset() throws IOException
reset
in class BufferedReader
IOException
- If the stream has not been marked, or if the mark has been
invalidated