com.heisenberg.impl.json.LocalDateTimeDeserializer.java Source code

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Here is the source code for com.heisenberg.impl.json.LocalDateTimeDeserializer.java

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/*
 * Copyright 2014 Heisenberg Enterprises Ltd.
 * 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 com.heisenberg.impl.json;

import java.io.IOException;

import org.joda.time.LocalDateTime;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;

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;

/**
 * @author Walter White
 */
public class LocalDateTimeDeserializer extends StdDeserializer<LocalDateTime> {

    private static final long serialVersionUID = 1L;

    static DateTimeFormatter formatter = ISODateTimeFormat.dateTimeParser();

    protected LocalDateTimeDeserializer() {
        super(LocalDateTime.class);
    }

    @Override
    public LocalDateTime deserialize(JsonParser jp, DeserializationContext ctxt)
            throws IOException, JsonProcessingException {
        String timeString = jp.getText();
        if (timeString != null) {
            return formatter.parseLocalDateTime(timeString);
        } else {
            return null;
        }
    }
}