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Graylog

There is a newer version: 5.2.7

/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see .
 */
package org.graylog2.contentpacks.jackson;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.core.JsonTokenId;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import org.apache.commons.lang3.StringUtils;
import org.graylog2.contentpacks.model.entities.references.ValueType;

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

public class ValueTypeDeserializer extends StdDeserializer {
    public ValueTypeDeserializer() {
        super(ValueType.class);
    }

    @Override
    public ValueType deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
        if (p.currentTokenId() == JsonTokenId.ID_STRING) {
            final String str = StringUtils.upperCase(p.getText(), Locale.ROOT);
            try {
                return ValueType.valueOf(str);
            } catch (IllegalArgumentException e) {
                throw ctxt.weirdStringException(str, ValueType.class, e.getMessage());
            }
        } else {
            throw ctxt.wrongTokenException(p, JsonToken.VALUE_STRING, "expected String " + Arrays.toString(ValueType.values()));
        }
    }
}