org.comicwiki.serializers.YearDeserializer.java Source code

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Here is the source code for org.comicwiki.serializers.YearDeserializer.java

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/*******************************************************************************
 * See the NOTICE file distributed with this work for additional 
 * information regarding copyright ownership. ComicGenie licenses this 
 * file to you 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.comicwiki.serializers;

import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

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

public class YearDeserializer extends StdDeserializer<Date> {

    protected YearDeserializer() {
        super(Date.class);
    }

    /**
     * 
     */
    private static final long serialVersionUID = -8998268740787798503L;

    @Override
    public Date deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
        ObjectMapper mapper = (ObjectMapper) p.getCodec();
        JsonNode valueNode = mapper.readTree(p);
        String dateText = valueNode.asText();
        try {
            Date time = new SimpleDateFormat("yyyy").parse(dateText);
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(time);
            calendar.set(Calendar.ERA, (dateText.charAt(0) == '+') ? GregorianCalendar.AD : GregorianCalendar.BC);
            return calendar.getTime();
        } catch (ParseException e) {
            throw new IOException(e);
        }
    }

}