Java Integer Create toInteger(Object obj)

Description

Converts an Object to an int.

License

Open Source License

Parameter

Parameter	Description
obj	Object to convert

Return

int value

Declaration

public static int toInteger(Object obj) 

Method Source Code

//package com.java2s;
/*// w  w w . j av a2s  . co m
 * Copyright (C) 2003-2011 eXo Platform SAS.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /** Converts an <code>Object</code> to an <code>int</code>. Returns
     * zero if conversion is not possible.
     * @param obj Object to convert
     * @return int value
     */
    public static int toInteger(Object obj) {
        Integer result = toIntegerObject(obj);
        return result == null ? 0 : result.intValue();
    }

    /** Converts an <code>Object</code> to an <code>Integer</code>. Returns
     * <code>null</code> if conversion is not possible.
     * @param obj Object to convert
     * @return Integer
     */
    public static Integer toIntegerObject(Object obj) {
        if (obj == null) {
            return null;
        }
        if (obj instanceof Integer) {
            return (Integer) obj;
        }
        if (obj instanceof Number) {
            return ((Number) obj).intValue();
        }
        Integer result = null;
        try {
            result = Integer.parseInt(obj.toString());
        } catch (Exception e) {
        }
        return result;
    }
}

Related

1. toInteger(Object anObj)
2. toInteger(Object cell)
3. toInteger(Object o)
4. toInteger(Object o)
5. toInteger(Object ob, Integer defaultInteger)
6. toInteger(Object obj)
7. toInteger(Object obj)
8. toInteger(Object object)
9. toInteger(Object object)