org.kiji.rest.serializers.JsonToKijiRestEntityId.java Source code

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Here is the source code for org.kiji.rest.serializers.JsonToKijiRestEntityId.java

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/**
 * (c) Copyright 2013 WibiData, Inc.
 *
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * 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.kiji.rest.serializers;

import java.io.IOException;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

import org.kiji.rest.representations.KijiRestEntityId;

/**
 * Converts a JSON object to a SchemaOption.
 *
 */
public class JsonToKijiRestEntityId extends JsonDeserializer<KijiRestEntityId> {

    /**
     * {@inheritDoc}
     */
    @Override
    public KijiRestEntityId deserialize(JsonParser parser, DeserializationContext context) throws IOException {

        ObjectMapper mapper = new ObjectMapper();
        JsonNode node = mapper.readTree(parser);
        if (node.isArray()) {
            return KijiRestEntityId.create(node);
        } else if (node.isTextual()) {
            return KijiRestEntityId.create(node.asText());
        } else {
            throw new IllegalArgumentException(
                    "Entity id node to deserialize must be an array or textual, it was: " + node);
        }
    }

}