com.graphhopper.routing.ev.EncodedValueSerializer Maven / Gradle / Ivy

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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.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.PropertyNamingStrategy;

public class EncodedValueSerializer {
    private final static ObjectMapper MAPPER = new ObjectMapper();

    static {
        MAPPER.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.NONE);
        MAPPER.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
        MAPPER.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
    }

    public static String serializeEncodedValue(EncodedValue encodedValue) {
        try {
            JsonNode tree = MAPPER.valueToTree(encodedValue);
            return MAPPER.writeValueAsString(tree);
        } catch (JsonProcessingException e) {
            throw new IllegalStateException("Could not serialize encoded value: " + encodedValue + ", error: " + e.getMessage());
        }
    }

    public static EncodedValue deserializeEncodedValue(String serializedEncodedValue) {
        try {
            JsonNode jsonNode = MAPPER.readTree(serializedEncodedValue);
            return MAPPER.treeToValue(jsonNode, EncodedValue.class);
        } catch (JsonProcessingException e) {
            throw new IllegalStateException("Could not deserialize encoded value: " + serializedEncodedValue + ", error: " + e.getMessage());
        }
    }

}