org.sadun.text.ffp
Class ConstantLineCondition

java.lang.Object
  org.sadun.text.ffp.ConstantLineCondition

All Implemented Interfaces:

FlatFileParser.Condition

public class ConstantLineCondition

extends java.lang.Object

implements FlatFileParser.Condition

A condition which holds only if the next line on the file is identical to the a given constant.

Author:

Cristiano Sadun

Constructor Summary

ConstantLineCondition(java.lang.String constant)
Create a condition which use the given constant.

Method Summary

java.lang.String	getConstant() Return the constant used by this condition.
boolean	holds(int logicalLineCount, int physicalLineCount, FlatFileParser.LineReader reader) Return true if there is one physical line available in the file, and it is identical to the constant provided at construction.
java.lang.String	toString() Return a human-readable description of the condition.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantLineCondition

public ConstantLineCondition(java.lang.String constant)

Create a condition which use the given constant.

Parameters:

constant - the constant to use

Method Detail

holds

public boolean holds(int logicalLineCount,
                     int physicalLineCount,
                     FlatFileParser.LineReader reader)
              throws java.io.IOException

Return true if there is one physical line available in the file, and it is identical to the constant provided at construction.

Specified by:

holds in interface FlatFileParser.Condition

Parameters:

logicalLineCount - the logical lines read so far

physicalLineCount - the physical lines read so far

reader - an object allowing to read lines on the file

Returns:

true if the conditions hold, false otherwise.

Throws:

java.io.IOException - if a I/O problem arises when reading lines

getConstant

public java.lang.String getConstant()

Return the constant used by this condition.

Returns:

the constant used by this condition.

toString

public java.lang.String toString()

Description copied from interface: FlatFileParser.Condition

Return a human-readable description of the condition.

Specified by:

toString in interface FlatFileParser.Condition