Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/* ====================================================================
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements.  See the NOTICE file distributed with
 this work for additional information regarding copyright ownership.
 The ASF licenses this file to You 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.
 ==================================================================== */

public class Main {
    public static String getColor24(int argbValue) {
        if (argbValue == -1)
            throw new IllegalArgumentException("This colorref is empty");

        int bgrValue = argbValue & 0x00FFFFFF;
        int rgbValue = (bgrValue & 0x0000FF) << 16 | (bgrValue & 0x00FF00) | (bgrValue & 0xFF0000) >> 16;

        // http://www.w3.org/TR/REC-html40/types.html#h-6.5
        switch (rgbValue) {
        case 0xFFFFFF:
            return "white";
        case 0xC0C0C0:
            return "silver";
        case 0x808080:
            return "gray";
        case 0x000000:
            return "black";
        case 0xFF0000:
            return "red";
        case 0x800000:
            return "maroon";
        case 0xFFFF00:
            return "yellow";
        case 0x808000:
            return "olive";
        case 0x00FF00:
            return "lime";
        case 0x008000:
            return "green";
        case 0x00FFFF:
            return "aqua";
        case 0x008080:
            return "teal";
        case 0x0000FF:
            return "blue";
        case 0x000080:
            return "navy";
        case 0xFF00FF:
            return "fuchsia";
        case 0x800080:
            return "purple";
        }

        StringBuilder result = new StringBuilder("#");
        String hex = Integer.toHexString(rgbValue);
        for (int i = hex.length(); i < 6; i++) {
            result.append('0');
        }
        result.append(hex);
        return result.toString();
    }
}