Here you can find the source of getTimestamp(final Map, ?> map, final Object key)
public static Timestamp getTimestamp(final Map<?, ?> map, final Object key)
//package com.java2s; /**//w w w .ja va 2 s. c om * 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 * * 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. */ import java.sql.Timestamp; import java.util.Date; import java.util.Map; public class Main { public static Timestamp getTimestamp(final Map<?, ?> map, final Object key) { return getTimestamp(map, key, null); } public static Timestamp getTimestamp(final Map<?, ?> map, final Object key, final Timestamp def) { Timestamp result = def; if (map.containsKey(key)) { Object obj = map.get(key); if (null != obj) { if (obj instanceof Timestamp) { result = (Timestamp) obj; } else if (obj instanceof Date) { result = new Timestamp(((Date) obj).getTime()); } else if (obj instanceof String) { result = Timestamp.valueOf((String) obj); } } } return result; } }