Java Hex to Color hexToColor(String color)

Description

Convert html hex string to Color.

License

Apache License

Parameter

Parameter	Description
color	the String (in RGB hexadecimal format) to convert

Return

the java.awt.Color

Declaration

public final static Color hexToColor(String color) 

Method Source Code

//package com.java2s;
/*//from  w ww . j  av  a 2  s. com
 * Copyright 2012 Donghyuck, Son
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.awt.Color;

public class Main {
    /**
     * Convert html hex string to Color. If the hexadecimal string is not a
     * valid character, <code>Color.black</code> is returned. Only the first six
     * hexadecimal characters are considered; any extraneous values are
     * discarded. Also, a leading "#", if any, is allowed (and ignored).
     * 
     * @param color
     *            the String (in RGB hexadecimal format) to convert
     * @return the java.awt.Color
     */
    public final static Color hexToColor(String color) {
        try {
            if (color.charAt(0) == '#') {
                color = color.substring(1, 7);
            }

            int[] col = new int[3];

            for (int i = 0; i < 3; i++) {
                col[i] = Integer.parseInt(color.substring(i * 2, (i * 2) + 2), 16);
            }

            return new Color(col[0], col[1], col[2]);
        } catch (Exception e) {
            return Color.black;
        }
    }

    /**
     * Convert a String to an int. Truncates numbers if it's a float string; for
     * example, 4.5 yields a value of 4.
     *
     * @param in
     *            String containing number to be parsed.
     * @return Integer value of number or 0 if error.
     *
     * @see #extractNumber(String)
     */
    public final static int parseInt(String in) {
        int i;

        try {
            i = Integer.parseInt(in);
        } catch (Exception e) {
            i = (int) parseFloat(in);
        }

        ;

        return i;
    }

    /**
     * Convert a String to a float.
     *
     * @param in
     *            String containing number to be parsed.
     * @return Float value of number or 0 if error.
     *
     * @see #extractNumber(String)
     */
    public final static float parseFloat(String in) {
        float f = 0;

        try {
            f = Float.parseFloat(in);
        } catch (Exception e) {
        }

        ;

        return f;
    }
}

Related

1. hexToColor(final String hex)
2. hexToColor(String color)
3. hexToColor(String colorHex)
4. hexToColor(String hex)
5. hexToColor(String hexStr, boolean throwException, int[] buffer)
6. hexToColor(String hexString)