/* * SonarQube Java * Copyright (C) 2012-2016 SonarSource SA * mailto:contact AT sonarsource DOT com * * This program 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 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package org.sonar.java.se.constraint; public enum BooleanConstraint implements Constraint { TRUE { @Override public String valueAsString() { return "true"; } }, FALSE { @Override public String valueAsString() { return "false"; } }; @Override public boolean isNull() { return false; } public boolean isTrue() { return this == TRUE; } public boolean isFalse() { return this == FALSE; } public BooleanConstraint inverse() { if (TRUE == this) { return FALSE; } return TRUE; } }