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GraphHopper is a fast and memory efficient Java road routing engine working seamlessly with OpenStreetMap data.

There is a newer version: 10.0

/*
 *  Licensed to GraphHopper GmbH under one or more contributor
 *  license agreements. See the NOTICE file distributed with this work for
 *  additional information regarding copyright ownership.
 *
 *  GraphHopper GmbH 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.
 */
package com.graphhopper.routing.ev;

import com.graphhopper.util.Helper;

/**
 * This enum defines the road smoothness of an edge. If not tagged the value will be MISSING, which is the default.
 * All unknown smoothness tags will get OTHER .
 */
public enum Smoothness {
    // Order is important to make it roughly comparable
    MISSING, EXCELLENT, GOOD, INTERMEDIATE, BAD, VERY_BAD, HORRIBLE, VERY_HORRIBLE, IMPASSABLE, OTHER;

    public static final String KEY = "smoothness";

    public static EnumEncodedValue create() {
        return new EnumEncodedValue<>(KEY, Smoothness.class);
    }

    @Override
    public String toString() {
        return Helper.toLowerCase(super.toString());
    }

    public static Smoothness find(String name) {
        if (Helper.isEmpty(name))
            return MISSING;
        try {
            return Smoothness.valueOf(Helper.toUpperCase(name));
        } catch (IllegalArgumentException ex) {
            return OTHER;
        }
    }
}