gshute.ioutil
Class BatchLineSource

java.lang.Object
  |
  +--gshute.ioutil.LineSource
        |
        +--gshute.ioutil.BatchLineSource

public class BatchLineSource

extends LineSource

A BatchLineSource dispenses LineScanners for lines of a disk file.

Fields inherited from class gshute.ioutil.LineSource

currentLine, dataReader, echoOn, echoPolicy, fileName, includedFrom, lineIsValid, lineNumber

Constructor Summary

BatchLineSource(java.lang.String fName)
BatchLineSource(fName) returns a LineSource that dispenses LineScanners for lines of the file named fName.

Method Summary

protected void

validateCurrentLine() strm.validateCurrentLine() ensures that currentLine is the line at the current position in strm.

Methods inherited from class gshute.ioutil.LineSource

advance, current, getFileName, getIncludedFrom, getLineNumber, initialize, more, setEchoOff, setEchoOn, setIncludedFrom

Methods inherited from class java.lang.Object

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

Constructor Detail

BatchLineSource

public BatchLineSource(java.lang.String fName)
                throws java.io.FileNotFoundException,
                       java.io.IOException

BatchLineSource(fName) returns a LineSource that dispenses LineScanners for lines of the file named fName.

Method Detail

validateCurrentLine

protected void validateCurrentLine()
                            throws java.io.IOException

strm.validateCurrentLine() ensures that currentLine is the line at the current position in strm. The line at the end of file position is a null object. For a BatchLineSource, a line should be echoed, if necessary, when it is validated.

Overrides:

validateCurrentLine in class LineSource