| /* |
| * 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.text.ParseException; |
| import java.util.Date; |
| import java.util.TimeZone; |
| import java.util.regex.Pattern; |
| |
| import org.apache.commons.lang3.time.DateUtils; |
| |
| public class TimestampSerializer implements TypeSerializer<Date> |
| { |
| |
| //NOTE: This list is used below and if you change the order |
| // you need to update the default format and json formats in the code below. |
| private static final String[] dateStringPatterns = new String[] { |
| "yyyy-MM-dd HH:mm", |
| "yyyy-MM-dd HH:mm:ss", |
| "yyyy-MM-dd HH:mm z", |
| "yyyy-MM-dd HH:mm zz", |
| "yyyy-MM-dd HH:mm zzz", |
| "yyyy-MM-dd HH:mmX", |
| "yyyy-MM-dd HH:mmXX", // DEFAULT_FORMAT |
| "yyyy-MM-dd HH:mmXXX", |
| "yyyy-MM-dd HH:mm:ss", |
| "yyyy-MM-dd HH:mm:ss z", |
| "yyyy-MM-dd HH:mm:ss zz", |
| "yyyy-MM-dd HH:mm:ss zzz", |
| "yyyy-MM-dd HH:mm:ssX", |
| "yyyy-MM-dd HH:mm:ssXX", |
| "yyyy-MM-dd HH:mm:ssXXX", |
| "yyyy-MM-dd HH:mm:ss.SSS", |
| "yyyy-MM-dd HH:mm:ss.SSS z", |
| "yyyy-MM-dd HH:mm:ss.SSS zz", |
| "yyyy-MM-dd HH:mm:ss.SSS zzz", |
| "yyyy-MM-dd HH:mm:ss.SSSX", // TO_JSON_FORMAT |
| "yyyy-MM-dd HH:mm:ss.SSSXX", |
| "yyyy-MM-dd HH:mm:ss.SSSXXX", |
| "yyyy-MM-dd'T'HH:mm", |
| "yyyy-MM-dd'T'HH:mm z", |
| "yyyy-MM-dd'T'HH:mm zz", |
| "yyyy-MM-dd'T'HH:mm zzz", |
| "yyyy-MM-dd'T'HH:mmX", |
| "yyyy-MM-dd'T'HH:mmXX", |
| "yyyy-MM-dd'T'HH:mmXXX", |
| "yyyy-MM-dd'T'HH:mm:ss", |
| "yyyy-MM-dd'T'HH:mm:ss z", |
| "yyyy-MM-dd'T'HH:mm:ss zz", |
| "yyyy-MM-dd'T'HH:mm:ss zzz", |
| "yyyy-MM-dd'T'HH:mm:ssX", |
| "yyyy-MM-dd'T'HH:mm:ssXX", |
| "yyyy-MM-dd'T'HH:mm:ssXXX", |
| "yyyy-MM-dd'T'HH:mm:ss.SSS", |
| "yyyy-MM-dd'T'HH:mm:ss.SSS z", |
| "yyyy-MM-dd'T'HH:mm:ss.SSS zz", |
| "yyyy-MM-dd'T'HH:mm:ss.SSS zzz", |
| "yyyy-MM-dd'T'HH:mm:ss.SSSX", // UTC_FORMAT |
| "yyyy-MM-dd'T'HH:mm:ss.SSSXX", |
| "yyyy-MM-dd'T'HH:mm:ss.SSSXXX", |
| "yyyy-MM-dd", |
| "yyyy-MM-dd z", |
| "yyyy-MM-dd zz", |
| "yyyy-MM-dd zzz", |
| "yyyy-MM-ddX", |
| "yyyy-MM-ddXX", |
| "yyyy-MM-ddXXX" |
| }; |
| |
| private static final String DEFAULT_FORMAT = dateStringPatterns[6]; |
| private static final Pattern timestampPattern = Pattern.compile("^-?\\d+$"); |
| |
| private static final ThreadLocal<SimpleDateFormat> FORMATTER = new ThreadLocal<SimpleDateFormat>() |
| { |
| protected SimpleDateFormat initialValue() |
| { |
| return new SimpleDateFormat(DEFAULT_FORMAT); |
| } |
| }; |
| |
| private static final String UTC_FORMAT = dateStringPatterns[40]; |
| private static final ThreadLocal<SimpleDateFormat> FORMATTER_UTC = new ThreadLocal<SimpleDateFormat>() |
| { |
| protected SimpleDateFormat initialValue() |
| { |
| SimpleDateFormat sdf = new SimpleDateFormat(UTC_FORMAT); |
| sdf.setTimeZone(TimeZone.getTimeZone("UTC")); |
| return sdf; |
| } |
| }; |
| |
| private static final String TO_JSON_FORMAT = dateStringPatterns[19]; |
| private static final ThreadLocal<SimpleDateFormat> FORMATTER_TO_JSON = new ThreadLocal<SimpleDateFormat>() |
| { |
| protected SimpleDateFormat initialValue() |
| { |
| SimpleDateFormat sdf = new SimpleDateFormat(TO_JSON_FORMAT); |
| sdf.setTimeZone(TimeZone.getTimeZone("UTC")); |
| return sdf; |
| } |
| }; |
| |
| |
| |
| 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 static long dateStringToTimestamp(String source) throws MarshalException |
| { |
| if (source.equalsIgnoreCase("now")) |
| return System.currentTimeMillis(); |
| |
| // Milliseconds since epoch? |
| if (timestampPattern.matcher(source).matches()) |
| { |
| try |
| { |
| return Long.parseLong(source); |
| } |
| catch (NumberFormatException e) |
| { |
| throw new MarshalException(String.format("Unable to make long (for date) from: '%s'", source), e); |
| } |
| } |
| |
| // Last chance, attempt to parse as date-time string |
| try |
| { |
| return DateUtils.parseDateStrictly(source, dateStringPatterns).getTime(); |
| } |
| catch (ParseException e1) |
| { |
| throw new MarshalException(String.format("Unable to coerce '%s' to a formatted date (long)", source), e1); |
| } |
| } |
| |
| public static SimpleDateFormat getJsonDateFormatter() |
| { |
| return FORMATTER_TO_JSON.get(); |
| } |
| |
| 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 value == null ? "" : FORMATTER.get().format(value); |
| } |
| |
| public String toStringUTC(Date value) |
| { |
| return value == null ? "" : FORMATTER_UTC.get().format(value); |
| } |
| |
| public Class<Date> getType() |
| { |
| return Date.class; |
| } |
| |
| /** |
| * Builds CQL literal for a timestamp using time zone UTC and fixed date format. |
| * @see #FORMATTER_UTC |
| */ |
| @Override |
| public String toCQLLiteral(ByteBuffer buffer) |
| { |
| return buffer == null || !buffer.hasRemaining() |
| ? "null" |
| : FORMATTER_UTC.get().format(deserialize(buffer)); |
| } |
| } |