Java Parse Int parseInteger(String text)

Description

Returns text converted to an integer value or throws an exception.

License

Open Source License

Parameter

Parameter	Description
text	string to convert to a number
def	default value to use if a ParseException is thrown

Return

the result

Declaration

public static Integer parseInteger(String text) throws ParseException 

Method Source Code

//package com.java2s;
/*//from   ww w  .  java 2 s. c  om
 * This software copyright by various authors including the RPTools.net
 * development team, and licensed under the LGPL Version 3 or, at your option,
 * any later version.
 * 
 * Portions of this software were originally covered under the Apache Software
 * License, Version 1.1 or Version 2.0.
 * 
 * See the file LICENSE elsewhere in this distribution for license details.
 */

import java.text.NumberFormat;
import java.text.ParseException;

public class Main {
    private static NumberFormat nf = NumberFormat.getNumberInstance();

    /**
     * Returns <code>text</code> converted to an integer value, or the value of
     * <code>def</code> if the string cannot be converted. This method is
     * locale-aware (which doesn't mean much for integers).
     * 
     * @param text
     *            string to convert to a number
     * @param def
     *            default value to use if a ParseException is thrown
     * @return the result
     */
    public static Integer parseInteger(String text, Integer def) {
        if (text == null)
            return def;
        try {
            return parseInteger(text);
        } catch (ParseException e) {
            return def;
        }
    }

    /**
     * Returns <code>text</code> converted to an integer value or throws an
     * exception. This method is locale-aware (which doesn't mean much for
     * integers).
     * 
     * @param text
     *            string to convert to a number
     * @param def
     *            default value to use if a ParseException is thrown
     * @return the result
     */
    public static Integer parseInteger(String text) throws ParseException {
        int def = 0;
        if (text == null)
            return def;
        def = nf.parse(text).intValue();
        //      System.out.println("Integer:  Input string is >>"+text+"<< and parsing produces "+newValue);
        return def;
    }
}

Related

1. parseInt(char[] strs, int beginindex, int endindex)
2. parseInt(String src, Locale loc)
3. parseInt(String stringValue)
4. parseInt(String value)
5. parseInteger(PushbackReader reader)