Java tutorial
/* * Copyright (c) 2013 The Interedition Development Group. * * This file is part of CollateX. * * CollateX 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. * * CollateX 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 CollateX. If not, see <http://www.gnu.org/licenses/>. */ package eu.interedition.collatex.util; import com.google.common.base.Predicate; import com.google.common.collect.Range; import javax.annotation.Nullable; import java.util.Collection; import java.util.Collections; import java.util.HashSet; /** * @author <a href="http://gregor.middell.net/" title="Homepage">Gregor Middell</a> */ public class IntegerRangeSet extends HashSet<Range<Integer>> implements Predicate<Integer> { public IntegerRangeSet() { } public IntegerRangeSet(Range<Integer> c) { this(Collections.singleton(c)); } public IntegerRangeSet(Collection<? extends Range<Integer>> c) { super(c); } @Override public boolean apply(@Nullable Integer input) { for (Range<Integer> range : this) { if (range.contains(input)) { return true; } } return false; } }