Java Boolean From toBoolean(Object value)

Description

Converts the specified object into a boolean.

License

Apache License

Declaration

public static boolean toBoolean(Object value) 

Method Source Code

//package com.java2s;
/*/*ww w .  j a  v a  2 s.  com*/
 * Copyright 2009 Red Hat, Inc.
 *
 * Red Hat 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.
 */

public class Main {
    /**
     * Converts the specified object into a boolean.
     */
    public static boolean toBoolean(Object value) {
        if (value instanceof Boolean) {
            return ((Boolean) value).booleanValue();
        }
        if (value instanceof Number) {
            return ((Number) value).intValue() != 0;
        } else {
            String s = String.valueOf(value);
            if (s.length() == 0) {
                return false;
            }

            try {
                return Integer.parseInt(s) != 0;
            } catch (NumberFormatException e) {
                // Proceed
            }

            switch (Character.toUpperCase(s.charAt(0))) {
            case 'T':
            case 'Y':
                return true;
            }
            return false;
        }
    }
}

Related

1. toBoolean(Object v)
2. toBoolean(Object val)
3. toBoolean(Object val, boolean defValue)
4. toBoolean(Object value)
5. toBoolean(Object value)
6. toBoolean(Object value)
7. toBoolean(Object value)
8. toBoolean(Object value)
9. toBoolean(Object value)