Java Integer Convert To fromIntString(Object obj)

Description

Parses the specified string as an Integer instance.

License

Open Source License

Parameter

Parameter	Description
obj	String to be parsed as integer

Return

Returns the parsed integer

Declaration

public static Integer fromIntString(Object obj) 

Method Source Code

//package com.java2s;
/**/*from   ww  w.j av a2 s . c  o  m*/
 * Copyright (c) 2001-2002. Department of Family Medicine, McMaster University. All Rights Reserved.
 * This software is published under the GPL GNU General Public License.
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * This software was written for the
 * Department of Family Medicine
 * McMaster University
 * Hamilton
 * Ontario, Canada
 */

public class Main {
    private static final Integer ZERO_INT = new Integer(0);

    /**
     * Parses the specified string as an Integer instance. 
     * 
     * @param obj
     *       String to be parsed as integer
     * @return
     *       Returns the parsed integer
     */
    public static Integer fromIntString(Object obj) {
        String intString = (obj == null) ? null : obj.toString();
        if (intString == null || intString.trim().isEmpty()) {
            return ZERO_INT;
        }
        try {
            return Integer.parseInt(intString);
        } catch (Exception e) {
            return 0;
        }
    }
}

Related

1. fromIntegers(Integer[] values, String defaultValue)
2. fromIntegerString(String integerString)
3. fromInternalForm(String internalForm)
4. fromIntLong(byte[] value)
5. fromInts(int[] values)
6. fromIntWithPrefix(byte prefix, int v)
7. IntegerTo(Integer i)
8. integerToASCII(int number)
9. integerToByte(int i)