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- /* ====================================================================
- 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;
-
- public final class BoolEval implements NumericValueEval, StringValueEval {
-
- private final 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)}
- *
- * @return the {@code BoolEval} instance representing {@code b}.
- */
- public static BoolEval valueOf(boolean b) {
- return b ? TRUE : FALSE;
- }
-
- private BoolEval(boolean value) {
- _value = value;
- }
-
- public boolean getBooleanValue() {
- return _value;
- }
-
- @Override
- public double getNumberValue() {
- return _value ? 1 : 0;
- }
-
- @Override
- public String getStringValue() {
- return _value ? "TRUE" : "FALSE";
- }
-
- public String toString() {
- return getClass().getName() + " [" +
- getStringValue() +
- "]";
- }
- }
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