jimm.datavision.source.charsep
Class DelimParser

java.lang.Object
  jimm.datavision.source.charsep.DelimParser

public class DelimParser
extends java.lang.Object

Parses delimited data. Handles quotes and embedded delimiters.

Author:

Jim Menard, jimm@io.com

Field Summary

protected char	delimiter
static int	EOF
protected java.io.Reader	in
protected int	pushbackChar

Constructor Summary

DelimParser(java.io.Reader in)
Constructor, using ',' as the delimiter.

DelimParser(java.io.Reader in, char delimiter)
Constructor.

Method Summary

protected int	nextChar()
java.util.List	parse() Returns an array of column data or null if there is no more data.
protected void	pushback(int charAsInt)

Methods inherited from class java.lang.Object

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

Field Detail

EOF

public static final int EOF

See Also:

Constant Field Values

delimiter

protected char delimiter

in

protected java.io.Reader in

pushbackChar

protected int pushbackChar

Constructor Detail

DelimParser

public DelimParser(java.io.Reader in)

Constructor, using ',' as the delimiter. The caller must close in.

Parameters:

in - input reader

DelimParser

public DelimParser(java.io.Reader in,
                   char delimiter)

Constructor. The caller must close in.

Parameters:

in - input reader

delimiter - delimiter character

Method Detail

parse

public java.util.List parse()
                     throws java.io.IOException

Returns an array of column data or null if there is no more data. Handles delimiters and quotes within the data just as they are generated by Excel comma- and tab-separated files.

Returns:

a List of strings; return null if there is no more data.

Throws:

java.io.IOException

nextChar

protected int nextChar()
                throws java.io.IOException

Throws:

java.io.IOException

pushback

protected void pushback(int charAsInt)