Converts a boolean to an Integer specifying the conversion values. - Java java.lang

Java examples for java.lang:boolean

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Description

Converts a boolean to an Integer specifying the conversion values.

Demo Code

/*//  w  ww .ja  v a 2s.c o m
 * 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 com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        boolean bool = true;
        Integer trueValue = 2;
        Integer falseValue = 2;
        System.out.println(toIntegerObject(bool, trueValue, falseValue));
    }

    /**
     * <p>Converts a boolean to an Integer specifying the conversion values.</p>
     * 
     * <pre>
     *   BooleanUtils.toIntegerObject(true, new Integer(1), new Integer(0))  = new Integer(1)
     *   BooleanUtils.toIntegerObject(false, new Integer(1), new Integer(0)) = new Integer(0)
     * </pre>
     *
     * @param bool  the to convert
     * @param trueValue  the value to return if <code>true</code>,
     *  may be <code>null</code>
     * @param falseValue  the value to return if <code>false</code>,
     *  may be <code>null</code>
     * @return the appropriate value
     */
    public static Integer toIntegerObject(boolean bool, Integer trueValue,
            Integer falseValue) {
        return bool ? trueValue : falseValue;
    }

    /**
     * <p>Converts a Boolean to an Integer specifying the conversion values.</p>
     * 
     * <pre>
     *   BooleanUtils.toIntegerObject(Boolean.TRUE, new Integer(1), new Integer(0), new Integer(2))  = new Integer(1)
     *   BooleanUtils.toIntegerObject(Boolean.FALSE, new Integer(1), new Integer(0), new Integer(2)) = new Integer(0)
     *   BooleanUtils.toIntegerObject(null, new Integer(1), new Integer(0), new Integer(2))          = new Integer(2)
     * </pre>
     *
     * @param bool  the Boolean to convert
     * @param trueValue  the value to return if <code>true</code>,
     *  may be <code>null</code>
     * @param falseValue  the value to return if <code>false</code>,
     *  may be <code>null</code>
     * @param nullValue  the value to return if <code>null</code>,
     *  may be <code>null</code>
     * @return the appropriate value
     */
    public static Integer toIntegerObject(Boolean bool, Integer trueValue,
            Integer falseValue, Integer nullValue) {
        if (bool == null) {
            return nullValue;
        }
        return bool.booleanValue() ? trueValue : falseValue;
    }
}

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