| // SPDX-License-Identifier: LGPL-2.1-or-later |
| // Copyright (c) 2012-2014 Monty Program Ab |
| // Copyright (c) 2015-2021 MariaDB Corporation Ab |
| |
| package org.mariadb.jdbc.plugin.codec; |
| |
| import java.io.IOException; |
| import java.sql.SQLDataException; |
| import java.sql.Time; |
| import java.text.SimpleDateFormat; |
| import java.time.LocalDate; |
| import java.util.Calendar; |
| import java.util.EnumSet; |
| import org.mariadb.jdbc.client.*; |
| import org.mariadb.jdbc.client.socket.Writer; |
| import org.mariadb.jdbc.plugin.Codec; |
| |
| /** Time codec */ |
| public class TimeCodec implements Codec<Time> { |
| |
| /** default instance */ |
| public static final TimeCodec INSTANCE = new TimeCodec(); |
| /** reference local date */ |
| public static final LocalDate EPOCH_DATE = LocalDate.of(1970, 1, 1); |
| |
| private static final EnumSet<DataType> COMPATIBLE_TYPES = |
| EnumSet.of( |
| DataType.TIME, |
| DataType.DATETIME, |
| DataType.TIMESTAMP, |
| DataType.VARSTRING, |
| DataType.VARCHAR, |
| DataType.STRING, |
| DataType.BLOB, |
| DataType.TINYBLOB, |
| DataType.MEDIUMBLOB, |
| DataType.LONGBLOB); |
| |
| public String className() { |
| return Time.class.getName(); |
| } |
| |
| public boolean canDecode(ColumnDecoder column, Class<?> type) { |
| return COMPATIBLE_TYPES.contains(column.getType()) |
| && type.isAssignableFrom(Time.class) |
| && !type.equals(java.util.Date.class); |
| } |
| |
| public boolean canEncode(Object value) { |
| return value instanceof Time; |
| } |
| |
| @Override |
| @SuppressWarnings("fallthrough") |
| public Time decodeText(ReadableByteBuf buf, int length, ColumnDecoder column, Calendar cal) |
| throws SQLDataException { |
| return column.decodeTimeText(buf, length, cal); |
| } |
| |
| @Override |
| @SuppressWarnings("fallthrough") |
| public Time decodeBinary(ReadableByteBuf buf, int length, ColumnDecoder column, Calendar calParam) |
| throws SQLDataException { |
| return column.decodeTimeBinary(buf, length, calParam); |
| } |
| |
| @Override |
| public void encodeText( |
| Writer encoder, Context context, Object val, Calendar providedCal, Long maxLen) |
| throws IOException { |
| Calendar cal = providedCal == null ? Calendar.getInstance() : providedCal; |
| SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss.SSS"); |
| sdf.setTimeZone(cal.getTimeZone()); |
| String dateString = sdf.format(val); |
| |
| encoder.writeByte('\''); |
| encoder.writeAscii(dateString); |
| encoder.writeByte('\''); |
| } |
| |
| @Override |
| public void encodeBinary(Writer encoder, Object value, Calendar providedCal, Long maxLength) |
| throws IOException { |
| Calendar cal = providedCal == null ? Calendar.getInstance() : providedCal; |
| synchronized (cal) { |
| cal.clear(); |
| cal.setTime((Time) value); |
| cal.set(Calendar.DAY_OF_MONTH, 1); |
| if (cal.get(Calendar.MILLISECOND) > 0) { |
| encoder.writeByte((byte) 12); |
| encoder.writeByte((byte) 0); |
| encoder.writeInt(0); |
| encoder.writeByte((byte) cal.get(Calendar.HOUR_OF_DAY)); |
| encoder.writeByte((byte) cal.get(Calendar.MINUTE)); |
| encoder.writeByte((byte) cal.get(Calendar.SECOND)); |
| encoder.writeInt(cal.get(Calendar.MILLISECOND) * 1000); |
| } else { |
| encoder.writeByte((byte) 8); // length |
| encoder.writeByte((byte) 0); |
| encoder.writeInt(0); |
| encoder.writeByte((byte) cal.get(Calendar.HOUR_OF_DAY)); |
| encoder.writeByte((byte) cal.get(Calendar.MINUTE)); |
| encoder.writeByte((byte) cal.get(Calendar.SECOND)); |
| } |
| } |
| } |
| |
| public int getBinaryEncodeType() { |
| return DataType.TIME.get(); |
| } |
| } |