org.elasticsearch.common.geo.Orientation Maven / Gradle / Ivy

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/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.common.geo;

import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;

import java.io.IOException;
import java.util.Locale;

public enum Orientation {
    LEFT,
    RIGHT;

    public static final Orientation CLOCKWISE = Orientation.LEFT;
    public static final Orientation COUNTER_CLOCKWISE = Orientation.RIGHT;
    public static final Orientation CW = Orientation.LEFT;
    public static final Orientation CCW = Orientation.RIGHT;

    public void writeTo(StreamOutput out) throws IOException {
        out.writeBoolean(this == Orientation.RIGHT);
    }

    public static Orientation readFrom(StreamInput in) throws IOException {
        return in.readBoolean() ? Orientation.RIGHT : Orientation.LEFT;
    }

    public boolean getAsBoolean() {
        return this == Orientation.RIGHT;
    }

    public static Orientation fromString(String orientation) {
        orientation = orientation.toLowerCase(Locale.ROOT);
        switch (orientation) {
            case "right":
            case "counterclockwise":
            case "ccw":
                return Orientation.RIGHT;
            case "left":
            case "clockwise":
            case "cw":
                return Orientation.LEFT;
            default:
                throw new IllegalArgumentException("Unknown orientation [" + orientation + "]");
        }
    }
}