Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (C) 2015 Daniel Nilsson
 *
 * 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 android.graphics.Color;
import java.util.regex.Pattern;

public class Main {
    /**
     * Format for #RGB
     **/
    private final static Pattern HEXADECIMAL_SHORT_FORMAT = Pattern.compile("^#([A-Fa-f0-9]{3})$");

    /**
     * Parse the color code, and return the corresponding color-int.
     * If the string cannot be parsed, throws an IllegalArgumentException
     * exception. Supported formats are:
     * #RRGGBB
     * #AARRGGBB
     * #RGB
     *
     * @param colorCode color code to parse
     * @return color-int
     */
    public static int parseColor(String colorCode) {
        if (HEXADECIMAL_SHORT_FORMAT.matcher(colorCode).matches()) {
            colorCode = String.format("#%c%c%c%c%c%c", colorCode.charAt(1), colorCode.charAt(1),
                    colorCode.charAt(2), colorCode.charAt(2), colorCode.charAt(3), colorCode.charAt(3));
        }
        return Color.parseColor(colorCode);
    }
}