Java Float Number Create toFloatObject(Object o)

Description

to Float Object

License

MIT License

Declaration

public static Float toFloatObject(Object o) 

Method Source Code

//package com.java2s;
/*!/*from   w ww  .ja va  2 s .  c  o  m*/
  * mifmi-commons4j
  * https://github.com/mifmi/mifmi-commons4j
  *
  * Copyright (c) 2015 mifmi.org and other contributors
  * Released under the MIT license
  * https://opensource.org/licenses/MIT
  */

import java.text.DecimalFormat;

public class Main {
    public static Float toFloatObject(Object o) {
        if (o == null) {
            return null;
        }

        Float num;
        if (o instanceof Float) {
            num = (Float) o;
        } else if (o instanceof Number) {
            num = Float.valueOf(((Number) o).floatValue());
        } else if (o instanceof Character) {
            num = Float.valueOf((float) ((Character) o).charValue());
        } else if (o instanceof String) {
            String s = (String) o;
            if (s.isEmpty()) {
                num = null;
            } else {
                num = Float.valueOf(s);
            }
        } else if (o instanceof Boolean) {
            num = (((Boolean) o).booleanValue()) ? Float.valueOf(1.0F) : Float.valueOf(0.0F);
        } else if (o instanceof Enum) {
            num = Float.valueOf((float) ((Enum<?>) o).ordinal());
        } else {
            num = Float.valueOf(o.toString());
        }

        return num;
    }

    public static String toString(Number value, String pattern) {
        if (value == null) {
            return null;
        }

        DecimalFormat df = new DecimalFormat(pattern);

        return df.format(value);
    }
}

Related

1. toFloat(String value, float _default)
2. toFloat(String value, Float defaultValue)
3. toFloat(String value, float defaultValue)
4. toFloat(T value)
5. toFloatA(byte[] data)