org.dawb.common.util.io
Class TokenFileParser

java.lang.Object
  org.dawb.common.util.io.TokenFileParser

public class TokenFileParser
extends java.lang.Object

Read a tabbed delimited file into columns. Each row must have the same number of entries currently. Assumes that files are small. For larger files use StreamTokenizer(Reader r) which is more efficient.

Constructor Summary

TokenFileParser(java.io.File file)

TokenFileParser(java.io.InputStream unbuffered)
NOTE Does not use StreamTokenizer so files need to be small.

TokenFileParser(java.net.URL url)

Method Summary

java.util.List<java.lang.String>	getColumn(int icol)
java.lang.Double[]	getColumnAsDoubleArray(int i, int... ignoreRows) Exceptions can be thrown if the column cannot parse as double
java.util.List<java.lang.Double>	getColumnAsDoubleList(int i, int... ignoreRows)
java.lang.String	getCommentChar()
java.lang.String	getToken()
static void	main(java.lang.String[] args) Testing only
void	parse() Must be called to parse the file.
void	setCommentChar(java.lang.String commentChar)
void	setToken(java.lang.String token)
java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

TokenFileParser

public TokenFileParser(java.net.URL url)
                throws java.io.IOException

Parameters:

url -

Throws:

java.io.IOException

TokenFileParser

public TokenFileParser(java.io.File file)
                throws java.io.IOException

Parameters:

file -

Throws:

java.io.IOException

TokenFileParser

public TokenFileParser(java.io.InputStream unbuffered)
                throws java.io.IOException

NOTE Does not use StreamTokenizer so files need to be small.

Parameters:

unbuffered -

Throws:

java.io.IOException

Method Detail

parse

public void parse()
           throws java.io.IOException

Must be called to parse the file.

Throws:

java.io.IOException

getColumn

public java.util.List<java.lang.String> getColumn(int icol)

Parameters:

icol -

Returns:

the exact column, modifying it will change the data

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Testing only

Parameters:

args -

Throws:

java.lang.Exception

getColumnAsDoubleArray

public java.lang.Double[] getColumnAsDoubleArray(int i,
                                                 int... ignoreRows)

Exceptions can be thrown if the column cannot parse as double

Parameters:

i -

Returns:

Double[]

getColumnAsDoubleList

public java.util.List<java.lang.Double> getColumnAsDoubleList(int i,
                                                              int... ignoreRows)

Parameters:

i -

ignoreRows -

Returns:

column as list of Doubles

getToken

public java.lang.String getToken()

setToken

public void setToken(java.lang.String token)

getCommentChar

public java.lang.String getCommentChar()

setCommentChar

public void setCommentChar(java.lang.String commentChar)