org.databene.document.csv
Class CSVTokenizer

java.lang.Object
  org.databene.document.csv.CSVTokenizer

All Implemented Interfaces:

java.io.Closeable

public class CSVTokenizer
extends java.lang.Object
implements java.io.Closeable

Parses a CSV file token by token as specified in RFC 4180. It returns parsed values as CSVTokensType of type CELL, EOL and EOF. The current cell content is accessible by the public attribute 'cell'.

Created: 26.08.2006 17:19:35

See Also:

CSVTokenType

Field Summary

java.lang.String	cell String representation of the cell at the cursor position.
static char	DEFAULT_SEPARATOR The default separator to use
int	endColumn
CSVTokenType	lastType
int	line
int	startColumn
CSVTokenType	ttype The token at the cursor position

Constructor Summary

CSVTokenizer(java.io.Reader reader)
Creates a tokenizer that reads from a java.io.Reader.

CSVTokenizer(java.io.Reader reader, char separator)
Creates a tokenizer that reads from a java.io.Reader.

CSVTokenizer(java.lang.String uri)
Creates a tokenizer that reads from a URL.

CSVTokenizer(java.lang.String uri, char separator)
Creates a tokenizer that reads from a uri.

CSVTokenizer(java.lang.String uri, char separator, java.lang.String encoding)

Method Summary

void	close() Closes the source
CSVTokenType	lastTtype()
CSVTokenType	next() Returns the next token.
void	skipLine()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SEPARATOR

public static final char DEFAULT_SEPARATOR

The default separator to use

See Also:

Constant Field Values

ttype

public CSVTokenType ttype

The token at the cursor position

lastType

public CSVTokenType lastType

cell

public java.lang.String cell

String representation of the cell at the cursor position. If the cursor is at a EOL/EOF position, this is null

line

public int line

startColumn

public int startColumn

endColumn

public int endColumn

Constructor Detail

CSVTokenizer

public CSVTokenizer(java.lang.String uri)
             throws java.io.IOException

Creates a tokenizer that reads from a URL.

Parameters:

uri - the URL to read from

Throws:

java.io.IOException

CSVTokenizer

public CSVTokenizer(java.lang.String uri,
                    char separator)
             throws java.io.IOException

Creates a tokenizer that reads from a uri.

Parameters:

uri - the uri to read from

separator - character used for separating CSV cells

Throws:

java.io.IOException

CSVTokenizer

public CSVTokenizer(java.lang.String uri,
                    char separator,
                    java.lang.String encoding)
             throws java.io.IOException

Throws:

java.io.IOException

CSVTokenizer

public CSVTokenizer(java.io.Reader reader)

Creates a tokenizer that reads from a java.io.Reader.

Parameters:

reader - the reader to use as input

CSVTokenizer

public CSVTokenizer(java.io.Reader reader,
                    char separator)

Creates a tokenizer that reads from a java.io.Reader.

Parameters:

reader - the reader to use as input

separator - character used for separating CSV cells

Method Detail

next

public CSVTokenType next()
                  throws java.io.IOException

Returns the next token.

Returns:

the next token

Throws:

java.io.IOException - if source access fails

skipLine

public void skipLine()
              throws java.io.IOException

Throws:

java.io.IOException

close

public void close()

Closes the source

Specified by:

close in interface java.io.Closeable

lastTtype

public CSVTokenType lastTtype()