Java Object to Long objectToPostiveLong(Object object)

Description

Supports any object which toString method return a positive numeric as String.

License

Apache License

Parameter

Parameter	Description
object	Any object

Return

a positive long value (rounded if needed) if the object represent a positive numeric, null otherwise.

Declaration

public static Long objectToPostiveLong(Object object) 

Method Source Code

//package com.java2s;
/*//from www .j av  a  2 s.  co m
 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * Licensed 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.
 *
 * Contributors:
 *     Nicolas Chapurlat <nchapurlat@nuxeo.com>
 */

public class Main {
    /**
     * Supports any object which toString method return a positive numeric as String.
     *
     * @param object Any object
     * @return a positive long value (rounded if needed) if the object represent a positive numeric, null otherwise.
     * @since 7.1
     */
    public static Long objectToPostiveLong(Object object) {
        if (object == null) {
            return null;
        }
        try {
            Long result = Long.parseLong(object.toString());
            if (result >= 0) {
                return result;
            } else {
                return null;
            }
        } catch (NumberFormatException nfe) {
            return null;
        }
    }
}

Related

1. castToLong(Object object)
2. castToLong(Object value)
3. castToLong(Object value)
4. castToLongArray(Object[] array)
5. objectToLong(Object obj)
6. objectToShort(Object o)
7. objectToShort(Object p1)