dwvisser
Class SimpleTokenReader

java.lang.Object
  |
  +--dwvisser.SimpleTokenReader

public class SimpleTokenReader

extends java.lang.Object

Reads in values from a text file separated by whitespace (spaces, tabs, carriage returns & linefeeds). Everything after the # sign on any line is ignored as a comment. Anything between quotation marks (" "), is read in as a single string.

Author:

Dale Visser

Constructor Summary

SimpleTokenReader(java.io.File f)
Create an instance for reading in the file f.

Method Summary

void	close() One may call this to close the underlying file.
double	readDouble() Reads an double from the file, if the next token is a number.
int	readInteger() Reads an integer from the file, if the next token is a number.
java.lang.String	readString() Reads a string from the file, either a single word or the entire between two quotation marks (" ").

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleTokenReader

public SimpleTokenReader(java.io.File f)
                  throws java.io.IOException

Create an instance for reading in the file f.

Parameters:

f - text file to read from

Throws:

java.io.IOException - if something goes wrong opening the file

Method Detail

readInteger

public int readInteger()
                throws java.io.IOException

Reads an integer from the file, if the next token is a number. Floating point numbers are cast to integer.

Returns:

integer value

Throws:

java.io.IOException - if the next token is not a number

readDouble

public double readDouble()
                  throws java.io.IOException

Reads an double from the file, if the next token is a number.

Returns:

floating point value

Throws:

java.io.IOException - if the next token is not a number

readString

public java.lang.String readString()
                            throws java.io.IOException

Reads a string from the file, either a single word or the entire between two quotation marks (" ").

Returns:

the next token, if it's a String

Throws:

java.io.IOException - if the next token is not a String

close

public void close()
           throws java.io.IOException

One may call this to close the underlying file.

Throws:

java.io.IOException - if there's a problem closing the file