All Known Implementing Classes:
ChecksumAlgorithm
, DigestAlgorithm
, HashvalueAlgorithm
, LastModifiedAlgorithm
public interface Algorithm
The Algorithm defines how a value for a file is computed.
It must be sure that multiple calls for the same file results in the
same value.
The implementing class should implement a useful toString() method.
Since:
Ant 1.6
Version:
2003-09-13
Method Summary
All Methods Instance Methods Abstract Methods
Modifier and Type
Method
Description
java.lang.String
getValue (java.io.File file)
Get the value for a file.
boolean
isValid ()
Checks its prerequisites.
Method Details
boolean isValid ()
Checks its prerequisites.
Returns:
true if all is ok, otherwise false .
java.lang.String getValue (java.io.File file)
Get the value for a file.
Parameters:
file
- File object for which the value should be evaluated.
Returns:
The value for that file