org.graylog.plugins.views.search.views.widgets.aggregation.ChartColor Maven / Gradle / Ivy

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There is a newer version: 6.0.1

/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog.plugins.views.search.views.widgets.aggregation;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonValue;

@JsonAutoDetect
public class ChartColor {
    private final String value;

    @JsonCreator
    public ChartColor(String value) {
        if (!value.startsWith("#") || !value.matches("#[a-f0-9]{3,6}")) {
            throw new IllegalArgumentException("Color value must begin with '#' and contain 3-6 hexadecimal values.");
        }
        this.value = value;
    }

    @Override
    @JsonValue
    public String toString() {
        return this.value;
    }
}