Java Boolean From toBoolean(String value)

Description

Converts the specified value string to the Boolean value.

License

BSD License

Parameter

Parameter	Description
value	a value string

Exception

Parameter	Description
IllegalArgumentException	if format error has occured

Return

a Boolean object

Declaration

static Boolean toBoolean(String value) throws IllegalArgumentException 

Method Source Code

//package com.java2s;
//License from project: BSD License 

public class Main {
    /**// w  ww  . j av  a 2 s.co m
     * Converts the specified value string to the Boolean value.
     * If the specified string is null, blank or 'false', this method returns false.
     * If it is "true", this method returns true. These comparation is case insensitive.
     * Otherwise, this method returns null.
     * 
     * @param value a value string
     * @return a {@code Boolean} object
     * @throws IllegalArgumentException if format error has occured
     */
    static Boolean toBoolean(String value) throws IllegalArgumentException {
        if (value == null || value.equals("")) {
            //the option not specified or a blank value specified
            return false;
        }

        if (value.equalsIgnoreCase("true")) {
            return true;
        }

        if (value.equalsIgnoreCase("false")) {
            return false;
        }

        throw new IllegalArgumentException("invalid boolean value : " + value);
    }
}

Related

1. toBoolean(String string, boolean defaultValue)
2. toBoolean(String text)
3. toBoolean(String val)
4. toBoolean(String value)
5. toBoolean(String value)
6. toBoolean(String value)
7. toBoolean(String value)
8. toBoolean(String value)
9. toBoolean(String value)