| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==================================================================== */ |
| |
| package org.apache.poi.ss.formula.eval; |
| |
| /** |
| * @author Amol S. Deshmukh < amolweb at ya hoo dot com > |
| */ |
| public final class BoolEval implements NumericValueEval, StringValueEval { |
| |
| private boolean _value; |
| |
| public static final BoolEval FALSE = new BoolEval(false); |
| |
| public static final BoolEval TRUE = new BoolEval(true); |
| |
| /** |
| * Convenience method for the following:<br> |
| * <code>(b ? BoolEval.TRUE : BoolEval.FALSE)</code> |
| * |
| * @return the <tt>BoolEval</tt> instance representing <tt>b</tt>. |
| */ |
| public static BoolEval valueOf(boolean b) { |
| return b ? TRUE : FALSE; |
| } |
| |
| private BoolEval(boolean value) { |
| _value = value; |
| } |
| |
| public boolean getBooleanValue() { |
| return _value; |
| } |
| |
| public double getNumberValue() { |
| return _value ? 1 : 0; |
| } |
| |
| public String getStringValue() { |
| return _value ? "TRUE" : "FALSE"; |
| } |
| |
| public String toString() { |
| return getClass().getName() + " [" + |
| getStringValue() + |
| "]"; |
| } |
| } |