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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.shardingsphere.db.protocol.postgresql.packet.command.query.extended.bind.protocol.text.impl;
19  
20  import org.apache.shardingsphere.db.protocol.postgresql.packet.command.query.extended.bind.protocol.text.PostgreSQLTextValueParser;
21  import org.apache.shardingsphere.infra.exception.generic.UnsupportedSQLOperationException;
22  
23  import java.time.LocalTime;
24  import java.time.format.DateTimeFormatter;
25  import java.time.format.DateTimeParseException;
26  
27  /**
28   * Time value parser of PostgreSQL.
29   */
30  public final class PostgreSQLTimeValueParser implements PostgreSQLTextValueParser<LocalTime> {
31      
32      private static final DateTimeFormatter POSTGRESQL_TIME_FORMATTER = DateTimeFormatter.ofPattern(
33              "[HH:mm:ss][HHmmss][HH:mm][HHmm]"
34                      + "[.SSSSSSSSS][.SSSSSSSS][.SSSSSSS][.SSSSSS][.SSSSS][.SSSS][.SSS][.SS][.S]"
35                      + "[ ]"
36                      + "[XXXXX][XXXX][XXX][XX][X]");
37      
38      @Override
39      public LocalTime parse(final String value) {
40          try {
41              return POSTGRESQL_TIME_FORMATTER.parse(value, LocalTime::from);
42          } catch (final DateTimeParseException ignored) {
43              throw new UnsupportedSQLOperationException("Unsupported time format: [" + value + "]");
44          }
45      }
46  }