Package elki.utilities.io

Class TokenizedReader

java.lang.Object

elki.utilities.io.BufferedLineReader

elki.utilities.io.TokenizedReader

All Implemented Interfaces:

java.lang.AutoCloseable

public class TokenizedReader
extends BufferedLineReader

Reader that will tokenize the input data as desired.

Since:

0.7.0

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.regex.Matcher	comment	Comment pattern.
protected Tokenizer	tokenizer	String tokenizer.

Fields inherited from class elki.utilities.io.BufferedLineReader

buf, lineNumber

Constructor Summary

Constructors

Constructor	Description
TokenizedReader(java.util.regex.Pattern colSep, java.lang.String quoteChars, java.util.regex.Pattern comment)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()
Tokenizer	getTokenizer()	Get the tokenizer of the reader.
boolean	nextLine()	Read the next line.
boolean	nextLineExceptComments()	Read the next line into the tokenizer.
void	reset()	Cleanup the internal state of the tokenized reader.

Methods inherited from class elki.utilities.io.BufferedLineReader

getBuffer, getLineNumber, lengthWithoutLinefeed, reset, reset, reset

Methods inherited from class java.lang.Object

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

Field Detail

comment

private java.util.regex.Matcher comment

Comment pattern.

tokenizer

protected Tokenizer tokenizer

String tokenizer.

Constructor Detail

TokenizedReader

public TokenizedReader(java.util.regex.Pattern colSep,
                       java.lang.String quoteChars,
                       java.util.regex.Pattern comment)

Constructor.

Parameters:

colSep - Column separator

quoteChars - Quote character

comment - Comment pattern

Method Detail

nextLineExceptComments

public boolean nextLineExceptComments()
                               throws java.io.IOException

Read the next line into the tokenizer.

Returns:

The next line, or null.

Throws:

java.io.IOException

nextLine

public boolean nextLine()
                 throws java.io.IOException

Description copied from class: BufferedLineReader

Read the next line.

Overrides:

nextLine in class BufferedLineReader

Returns:

true if another line was read successfully.

Throws:

java.io.IOException - on IO errors.

reset

public void reset()

Cleanup the internal state of the tokenized reader.

This also closes the input stream, but the TokenizerReader can still be applied to a new stream using any of the reset() methods.

Overrides:

reset in class BufferedLineReader

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class BufferedLineReader

Throws:

java.io.IOException

getTokenizer

public Tokenizer getTokenizer()

Get the tokenizer of the reader.

Returns:

Tokenizer