com.oroad.stxx.util
Class CSV

java.lang.Object
  com.oroad.stxx.util.CSV

public class CSV

extends java.lang.Object

Parse comma-separated values (CSV), a common Windows file format. Sample input: "LU",86.25,"11/4/1998","2:19PM",+4.0625

Inner logic adapted from a C++ original that was Copyright (C) 1999 Lucent Technologies Excerpted from 'The Practice of Programming' by Brian W. Kernighan and Rob Pike.

Included by permission of the http://tpop.awl.com/ web site, which says: "You may use this code for any purpose, as long as you leave the copyright notice and book citation attached." I have done so.

Author:

Brian W. Kernighan and Rob Pike (C++ original), Ian F. Darwin (translation into Java and removal of I/O), Ben Ballard (rewrote advQuoted to handle '""' and for readability), Don Brown (wanted to return a String array instead of Iterator)

Field Summary

static char	DEFAULT_SEP
protected char	fieldSep the separator char for this parser
protected java.util.ArrayList	list The fields in the current String

Constructor Summary

CSV()
Construct a CSV parser, with the default separator (`,').

CSV(char sep)
Construct a CSV parser with a given separator.

Method Summary

protected int	advPlain(java.lang.String s, java.lang.StringBuffer sb, int i) advPlain: unquoted field; return index of next separator
protected int	advQuoted(java.lang.String s, java.lang.StringBuffer sb, int i) advQuoted: quoted field; return index of next separator
java.lang.String[]	parse(java.lang.String line) parse: break the input String into fields

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SEP

public static final char DEFAULT_SEP

See Also:

Constant Field Values

list

protected java.util.ArrayList list

The fields in the current String

fieldSep

protected char fieldSep

the separator char for this parser

Constructor Detail

CSV

public CSV()

Construct a CSV parser, with the default separator (`,').

CSV

public CSV(char sep)

Construct a CSV parser with a given separator. Must be exactly the string that is the separator, not a list of separator characters!

Method Detail

parse

public java.lang.String[] parse(java.lang.String line)

parse: break the input String into fields

Returns:

String array containing each field from the original as a String, in order.

advQuoted

protected int advQuoted(java.lang.String s,
                        java.lang.StringBuffer sb,
                        int i)

advQuoted: quoted field; return index of next separator

advPlain

protected int advPlain(java.lang.String s,
                       java.lang.StringBuffer sb,
                       int i)

advPlain: unquoted field; return index of next separator