org.elasticsoftware.elasticactors.geoevents.serialization.JacksonGeoHashDeserializer.java Source code

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Here is the source code for org.elasticsoftware.elasticactors.geoevents.serialization.JacksonGeoHashDeserializer.java

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/*
 * Copyright 2013 - 2014 The Original Authors
 *
 * 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.
 */

package org.elasticsoftware.elasticactors.geoevents.serialization;

import ch.hsr.geohash.GeoHash;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdScalarDeserializer;

import java.io.IOException;

/**
 *
 */
public final class JacksonGeoHashDeserializer extends StdScalarDeserializer<GeoHash> {

    public JacksonGeoHashDeserializer() {
        super(GeoHash.class);
    }

    @Override
    public GeoHash deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
        JsonToken curr = jp.getCurrentToken();
        // Usually should just get string value:
        if (curr == JsonToken.VALUE_STRING) {
            return GeoHash.fromGeohashString(jp.getText());
        }
        throw ctxt.mappingException(_valueClass, curr);
    }
}