Java JTextField parseTextFieldInteger(JTextField field)

Description

Returns the integer value of a JTextField.

License

Open Source License

Parameter

Parameter	Description
field	the field from which to parse the integer.

Return

the integer value of the field text. If the value doesn't parse, returns 0.

Declaration

public static int parseTextFieldInteger(JTextField field) 

Method Source Code

//package com.java2s;
/*//from w  ww  .j a  v a  2s.  c o m
 *  UFO Saved Game Editor
 *  Copyright (C) 2010 Christopher Davoren
 *
 *  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 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import javax.swing.JTextField;

public class Main {
    /**
     * Returns the integer value of a JTextField.  If the value does not parse
     * to an integer, returns 0.
     * 
     * @param field the field from which to parse the integer.
     * @return the integer value of the field text.  If the value doesn't parse,
     * returns 0.
     */
    public static int parseTextFieldInteger(JTextField field) {
        String fText = field.getText();
        if (fText.length() == 0) {
            return 0;
        } else {
            try {
                return Integer.parseInt(fText);
            } catch (NumberFormatException e) {
                return 0;
            }
        }
    }
}

Related

1. isTelpValid(JTextField field)
2. IsTextFieldEmpty(javax.swing.JTextField tf)
3. isTextFieldModified(JTextField textField, String originalValue)
4. newIntegerValue(JTextField text, int oldValue)
5. onTextFieldChange(JTextField field, final Runnable task)
6. ponerMayuscula(KeyEvent e, JTextField textField)
7. quickButtonFlip(JTextField t, JTextField a, JTextField b)
8. readBufferedImage(JTextField out)
9. secureTextDeletionFromTextField(JTextField textField, int length)