org.dswarm.graph.json.serializer.PredicateSerializer.java Source code

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Here is the source code for org.dswarm.graph.json.serializer.PredicateSerializer.java

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/**
 * Copyright (C) 2013  2015 SLUB Dresden & Avantgarde Labs GmbH (<code@dswarm.org>)
 *
 * 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.dswarm.graph.json.serializer;

import java.io.IOException;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

import org.dswarm.graph.json.Predicate;

/**
 *
 * @author tgaengler
 *
 */
public class PredicateSerializer extends JsonSerializer<Predicate> {

    @Override
    public void serialize(final Predicate value, final JsonGenerator jgen, final SerializerProvider provider)
            throws IOException, JsonProcessingException {

        if (value != null && value.getUri() != null) {

            jgen.writeString(value.getUri());
        }
    }
}