de.upb.wdqa.wdvd.datamodel.oldjson.jackson.OldStatementRankDeserializer.java Source code

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Here is the source code for de.upb.wdqa.wdvd.datamodel.oldjson.jackson.OldStatementRankDeserializer.java

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/*
 * Wikidata Vandalism Detector 2016 (WDVD-2016)
 * 
 * Copyright (c) 2016 Stefan Heindorf, Martin Potthast, Benno Stein, Gregor Engels
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package de.upb.wdqa.wdvd.datamodel.oldjson.jackson;

import java.io.IOException;

import org.wikidata.wdtk.datamodel.interfaces.StatementRank;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;

public class OldStatementRankDeserializer extends JsonDeserializer<StatementRank> {

    @Override
    public StatementRank deserialize(JsonParser jp, DeserializationContext ctxt)
            throws IOException, JsonProcessingException {

        StatementRank result;
        String text = jp.getText();

        if (text != null) {
            text = text.trim();
        }

        switch (text) {
        case "0":
            result = StatementRank.DEPRECATED;
            break;
        case "1":
            result = StatementRank.NORMAL;
            break;
        case "2":
            result = StatementRank.PREFERRED;
            break;
        default:
            result = null;
        }

        return result;
    }

}