Package com.owenfeehan.pathpatternfinder.trim

Class TrimCommonPathRoot

Object

com.owenfeehan.pathpatternfinder.trim.TrimCommonPathRoot

All Implemented Interfaces:

TrimOperation<Path>

public class TrimCommonPathRoot
extends Object
implements TrimOperation<Path>

Considers each element of a file-path (between directory separators) as an ordered list and finds a the maximally constant sublist from the left size.

Only directories are considered. The file-name (the final element in a path) is ignored.

Author:

Owen Feehan

Constructor Summary

Constructors

Constructor	Description
TrimCommonPathRoot(UnresolvedPatternElementFactory factory, boolean avoidExtensionSplit)	Create for a specific factory.

Method Summary

Modifier and Type	Method	Description
Optional<Pattern>	trim(List<Path> source)	Attempts to trim the list of objects by finding a Pattern.

Methods inherited from class java.lang.Object

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

Constructor Details

TrimCommonPathRoot

public TrimCommonPathRoot(UnresolvedPatternElementFactory factory, boolean avoidExtensionSplit)

Create for a specific factory.

Parameters:

factory - the factory.

avoidExtensionSplit - if true, splits will be avoided in file extensions in the paths (defined as anything after the right-most period)

Method Details

trim

public Optional<Pattern> trim(List<Path> source)

Description copied from interface: TrimOperation

Attempts to trim the list of objects by finding a Pattern.

Specified by:

trim in interface TrimOperation<Path>

Parameters:

source - list of objects

Returns:

if successful, a pattern with the trimmed elements (and what remains to be resolved) as elements, otherwise Optional.empty() if unsuccessful