Java String to Boolean asBoolean(String str)

Description

as Boolean

License

Open Source License

Declaration

public static boolean asBoolean(String str) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static boolean asBoolean(String str) {
        if (str == null || str.length() == 0)
            return false;
        str = str.trim();/*  ww  w.j  a  v a  2  s .c  om*/
        if ("1".equals(str))
            return true;
        str = str.toLowerCase();
        return "true".equals(str) || "yes".equals(str) || "y".equals(str) || "on".equals(str) || "ja".equals(str)
                || "enable".equals(str);
    }

    public static String toLowerCase(final String s) {
        return hasUpperLetter(s) ? s.toLowerCase() : s;
    }

    public static boolean hasUpperLetter(final CharSequence s) {
        int len;
        if (null != s && (len = s.length()) != 0)
            while (len > 0)
                if (Character.isUpperCase(s.charAt(--len)))
                    return true;
        return false;
    }
}

Related

1. asBoolean(String flag)
2. asBoolean(String name, boolean value)
3. asBoolean(String s)
4. asBoolean(String string)
5. asBoolean(String value)
6. asBoolean(String value, boolean defaultValue)
7. atob(final String str, final boolean def)