/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.apache.atlas.catalog;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;

/**
 * Format a date field which is represented as a long.
 */
public class DefaultDateFormatter implements PropertyValueFormatter<Long, String> {

    //todo: obtain format from atlas proper
    public static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd:HH:mm:ss");

    @Override
    public String format(Long l) {
        Calendar calendar = new GregorianCalendar();
        calendar.setTimeInMillis(l);
        return DATE_FORMAT.format(calendar.getTime());
    }
}