JsonDateDeserializerAdapter.java

package no.niths.domain.adapter;

import java.io.IOException;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import no.niths.application.rest.exception.CustomParseException;
import no.niths.common.constants.MiscConstants;

import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.JsonProcessingException;
import org.codehaus.jackson.map.DeserializationContext;
import org.codehaus.jackson.map.JsonDeserializer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
 * Class JsonDateDeserializerAdapter used too parse a String too a Date
 */
public class JsonDateDeserializerAdapter extends JsonDeserializer<Date>{
    private Logger logger = LoggerFactory
            .getLogger(JsonDateDeserializerAdapter.class);
    private DateFormat df = new SimpleDateFormat(MiscConstants.DATE_FORMAT);
    
    @Override
    public Date deserialize(JsonParser jp, DeserializationContext ctxt)
            throws IOException, JsonProcessingException {
        try {
            return df.parse(jp.getText());
        } catch (ParseException e) {
            logger.error(e.getMessage(),e);
            throw new CustomParseException("Invalid syntacs! Valid syntax : "
                    + MiscConstants.DATE_FORMAT + " ErrorOffset:"
                    + e.getErrorOffset());
        }
    }

}