Java Long Number Create toLong(String value, Long defaultValue)

Description

to Long

License

LGPL

Declaration

public static long toLong(String value, Long defaultValue) 

Method Source Code

//package com.java2s;
/**//w  ww. j av a  2s.c  o m
 * Copyright (c) 2015-2016, Michael Yang ?????? (fuhai999@gmail.com).
 *
 * Licensed under the GNU Lesser General Public License (LGPL) ,Version 3.0 (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.gnu.org/licenses/lgpl-3.0.txt
 *
 * 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 {
    public static long toLong(String value, Long defaultValue) {
        try {
            if (value == null || "".equals(value.trim()))
                return defaultValue;
            value = value.trim();
            if (value.startsWith("N") || value.startsWith("n"))
                return -Long.parseLong(value.substring(1));
            return Long.parseLong(value);
        } catch (Exception e) {
        }
        return defaultValue;
    }
}

Related

1. toLong(String value)
2. toLong(String value)
3. toLong(String value)
4. toLong(String value, long _default)
5. toLong(String value, long def)
6. toLong(String value, long defaultValue)
7. toLong(String value, Long defaultValue)
8. toLong(T value)
9. toLongObject(Object o)