org.neo4j.configuration.helpers.GlobbingPattern Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of neo4j-configuration Show documentation
Show all versions of neo4j-configuration Show documentation
Code responsible for parsing the Neo4j configuration.
/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package org.neo4j.configuration.helpers;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
import org.neo4j.annotations.api.PublicApi;
/**
* Simple globbing pattern with support for '*' and '?'.
*/
@PublicApi
public final class GlobbingPattern
{
private final String originalString;
private final Pattern regexPattern;
public GlobbingPattern( String pattern )
{
originalString = pattern;
try
{
regexPattern = buildRegex( pattern );
}
catch ( PatternSyntaxException e )
{
throw new IllegalArgumentException( "Invalid globbing pattern '" + pattern + "'", e );
}
}
public static List create( String... patterns )
{
ArrayList globbingPatterns = new ArrayList<>();
for ( String pattern : patterns )
{
globbingPatterns.add( new GlobbingPattern( pattern ) );
}
return globbingPatterns;
}
public boolean matches( String value )
{
return regexPattern.matcher( value ).matches();
}
@Override
public String toString()
{
return originalString;
}
@Override
public boolean equals( Object o )
{
if ( this == o )
{
return true;
}
if ( o == null || getClass() != o.getClass() )
{
return false;
}
GlobbingPattern that = (GlobbingPattern) o;
return originalString.equals( that.originalString );
}
@Override
public int hashCode()
{
return originalString.hashCode();
}
private static Pattern buildRegex( String globbingPattern )
{
StringBuilder patternString = new StringBuilder();
for ( int i = 0; i < globbingPattern.length(); i++ )
{
char ch = globbingPattern.charAt( i );
if ( ch == '*' )
{
patternString.append( ".*" );
}
else if ( ch == '?' )
{
patternString.append( "." );
}
else if ( ch == '.' || ch == '-' )
{
patternString.append( "\\" ).append( ch );
}
else
{
patternString.append( ch );
}
}
return Pattern.compile( patternString.toString() );
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy