/* * 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. */ package org.apache.cassandra.serializers; import org.apache.cassandra.utils.ByteBufferUtil; import java.nio.ByteBuffer; import java.text.SimpleDateFormat; import java.util.Date; public class TimestampSerializer implements TypeSerializer<Date> { public static final String[] iso8601Patterns = new String[] { "yyyy-MM-dd HH:mm", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mmZ", "yyyy-MM-dd HH:mm:ssZ", "yyyy-MM-dd'T'HH:mm", "yyyy-MM-dd'T'HH:mmZ", "yyyy-MM-dd'T'HH:mm:ss", "yyyy-MM-dd'T'HH:mm:ssZ", "yyyy-MM-dd", "yyyy-MM-ddZ" }; static final String DEFAULT_FORMAT = iso8601Patterns[3]; static final ThreadLocal<SimpleDateFormat> FORMATTER = new ThreadLocal<SimpleDateFormat>() { protected SimpleDateFormat initialValue() { return new SimpleDateFormat(DEFAULT_FORMAT); } }; public static final TimestampSerializer instance = new TimestampSerializer(); public Date deserialize(ByteBuffer bytes) { return bytes.remaining() == 0 ? null : new Date(ByteBufferUtil.toLong(bytes)); } public ByteBuffer serialize(Date value) { return value == null ? ByteBufferUtil.EMPTY_BYTE_BUFFER : ByteBufferUtil.bytes(value.getTime()); } public void validate(ByteBuffer bytes) throws MarshalException { if (bytes.remaining() != 8 && bytes.remaining() != 0) throw new MarshalException(String.format("Expected 8 or 0 byte long for date (%d)", bytes.remaining())); } public String toString(Date value) { return FORMATTER.get().format(value); } public Class<Date> getType() { return Date.class; } }