Java Integer Create toInteger(Number number)

Here you can find the source of toInteger(Number number)

Description

to overcome Exception occur when Integer, Double or other Number object is null when try to do mathematics operation (+-/*)

License

Apache License

Parameter

Parameter Description
number a parameter

Declaration

public static int toInteger(Number number) 

Method Source Code

//package com.java2s;
/*/*from w w w .  ja  v  a 2s .c  o m*/
 * Copyright 2012 Eng Kam Hon (kamhon@gmail.com)
 * 
 * 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.
 */

public class Main {
    /**
     * to overcome Exception occur when Integer, Double or other Number object is null when try to do mathematics
     * operation (+-/*)
     * 
     * @param number
     * @return
     */
    public static int toInteger(Number number) {
        return (int) toDouble(number);
    }

    /**
     * to overcome Exception occur when Integer, Double or other Number object is null when try to do mathematics
     * operation (+-/*)
     * 
     * @param number
     * @return
     */
    public static double toDouble(Number number) {
        if (number == null)
            return 0;

        return number.doubleValue();
    }
}

Related

  1. toInteger(int[] bytes)
  2. toInteger(Long l)
  3. toInteger(long n)
  4. toInteger(Number n)
  5. toInteger(Number n)
  6. toInteger(Object _inStrObj)
  7. toInteger(Object _value, int _default)
  8. toInteger(Object anObj)
  9. toInteger(Object cell)