Java tutorial
/* * Copyright 2012 (C) Tom Parker <thpr@users.sourceforge.net> * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This 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 Lesser General Public License for more * details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package pcgen.core.display; import java.util.Collection; import java.util.StringJoiner; import java.util.stream.Collectors; import org.apache.commons.collections4.CollectionUtils; import org.jetbrains.annotations.NotNull; import pcgen.cdom.base.CDOMObject; import pcgen.cdom.base.CDOMReference; import pcgen.core.PlayerCharacter; import pcgen.core.Vision; public final class VisionDisplay { private VisionDisplay() { } @NotNull public static String getVision(final PlayerCharacter aPC, CDOMObject cdo) { if (aPC == null) { return ""; } Collection<CDOMReference<Vision>> mods = CollectionUtils.emptyIfNull(cdo.getListMods(Vision.VISIONLIST)); StringJoiner visionString = new StringJoiner(";"); mods.stream().flatMap(ref -> ref.getContainedObjects().stream()).map(v -> v.toString(aPC)) .forEach(visionString::add); return visionString.toString(); } @NotNull public static String getVision(CharacterDisplay display) { return display.getVisionList().stream().map(Vision::toString).collect(Collectors.joining(", ")); } }