com.alee.api.duplicate.RejectDuplicates Maven / Gradle / Ivy
/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library 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.
*
* WebLookAndFeel library 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 WebLookAndFeel library. If not, see .
*/
package com.alee.api.duplicate;
import com.alee.api.matcher.Matcher;
import java.util.Collection;
/**
* {@link DuplicateResolver} implementation that throws {@link DuplicateException} upon detecting first duplicate within {@link Collection}.
*
* @author Mikle Garin
*/
public final class RejectDuplicates extends AbstractDuplicateResolver
{
/**
* Constructs new {@link RejectDuplicates}.
*
* @param matcher {@link Matcher} for duplicates detection
*/
public RejectDuplicates ( final Matcher matcher )
{
super ( matcher );
}
@Override
public void resolve ( final Collection collection )
{
if ( hasDuplicates ( collection ) )
{
throw new DuplicateException ( "Collection has duplicate element: " + firstDuplicate ( collection ) );
}
}
}