Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright 2014-2016 OpenEstate.org.
 *
 * 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 {
    /**
     * Write a {@link Color} value into XML output.
     *
     * @param value
     * value to write
     *
     * @return
     * XML string
     *
     * @throws IllegalArgumentException
     * if a validation error occured
     */
    public static String printColor(Color value) {
        if (value == null) {
            throw new IllegalArgumentException("The provided color is invalid!");
        }

        String r = Integer.toHexString(value.getRed()).trim();
        if (r.length() == 1)
            r = "0" + r;
        String g = Integer.toHexString(value.getGreen()).trim();
        if (g.length() == 1)
            g = "0" + g;
        String b = Integer.toHexString(value.getBlue()).trim();
        if (b.length() == 1)
            b = "0" + b;
        return "#" + r + g + b;
    }
}