com.github.robtimus.filesystems

Class PathMatcherSupport

java.lang.Object

com.github.robtimus.filesystems.PathMatcherSupport

public final class PathMatcherSupport
extends Object

A utility class that can assist in implementing PathMatchers.

Author:

Rob Spoor

Method Summary

Modifier and Type	Method and Description
static Pattern	toGlobPattern(String glob) Converts the given glob into a Pattern.
static Pattern	toGlobPattern(String glob, int flags) Converts the given glob into a Pattern.
static Pattern	toPattern(String syntaxAndPattern) Creates a Pattern for the given syntax and pattern combination.

Methods inherited from class java.lang.Object

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

Method Detail

toPattern

public static Pattern toPattern(String syntaxAndPattern)

Creates a Pattern for the given syntax and pattern combination. This follows the rules of FileSystem.getPathMatcher(String).

This method supports two syntaxes: glob and regex. If the syntax is glob, this method delegates to toGlobPattern(String). Otherwise it will call Pattern.compile(String).

Parameters:

syntaxAndPattern - The syntax and pattern.

Returns:

A Pattern based on the given syntax and pattern.

Throws:

IllegalArgumentException - If the parameter does not take the form syntax:pattern.

PatternSyntaxException - If the pattern is invalid.

UnsupportedOperationException - If the pattern syntax is not glob or regex.

toGlobPattern

public static Pattern toGlobPattern(String glob)

Converts the given glob into a Pattern.

Note that this method uses a single forward slash (/) as path separator.

Parameters:

glob - The glob to convert.

Returns:

A Pattern built from the given glob.

Throws:

PatternSyntaxException - If the given glob is invalid.

See Also:

FileSystem.getPathMatcher(String)

toGlobPattern

public static Pattern toGlobPattern(String glob,
                                    int flags)

Converts the given glob into a Pattern.

Note that this method uses a single forward slash (/) as path separator.

Parameters:

glob - The glob to convert.

flags - Match flags for the Pattern.

Returns:

A Pattern built from the given glob.

Throws:

PatternSyntaxException - If the given glob is invalid.

IllegalArgumentException - If the match flags are invalid.

See Also:

FileSystem.getPathMatcher(String)