ca.ualberta.physics.cssdp.util.JSONMnemonicDeserializer.java Source code

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Here is the source code for ca.ualberta.physics.cssdp.util.JSONMnemonicDeserializer.java

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/* ============================================================
 * JSONMnemonicDeserializer.java
 * ============================================================
 * Copyright 2013 University of Alberta
 *
 * 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 ca.ualberta.physics.cssdp.util;

import java.io.IOException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import ca.ualberta.physics.cssdp.model.Mnemonic;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;

public class JSONMnemonicDeserializer extends StdDeserializer<Mnemonic> {

    private static final long serialVersionUID = 1L;
    private static final Logger logger = LoggerFactory.getLogger(JSONMnemonicDeserializer.class);

    public JSONMnemonicDeserializer() {
        super(Mnemonic.class);
    }

    @Override
    public Mnemonic deserialize(JsonParser jp, DeserializationContext ctxt)
            throws IOException, JsonProcessingException {
        try {
            return Mnemonic.of(jp.getText());
        } catch (IllegalArgumentException e) {
            String msg = "Could not deserialize json representation of Mnemonic " + jp.getText()
                    + " into a Mnemonic object because " + e.getMessage();
            logger.error(msg, e);
            throw new JsonParseException(msg, jp.getCurrentLocation());
        }
    }

}