1 /* Copyright 2002-2025 CS GROUP
2 * Licensed to CS GROUP (CS) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * CS 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 package org.orekit.time;
18
19 import java.io.IOException;
20 import java.io.InputStream;
21 import java.util.List;
22
23 /** Interface for loading UTC-TAI offsets data files.
24 * @author Luc Maisonobe
25 * @since 7.1
26 */
27 public interface UTCTAIOffsetsLoader {
28
29 /** Load UTC-TAI offsets entries.
30 * @return sorted UTC-TAI offsets entries (if the linear offsets used
31 * prior to 1972 are missing, they will be inserted automatically)
32 */
33 List<OffsetModel> loadOffsets();
34
35 /**
36 * Interface for parsing UTC-TAI offsets from a stream.
37 *
38 * @author Evan Ward
39 * @since 10.1
40 */
41 interface Parser {
42
43 /**
44 * Parse leap seconds from the input stream.
45 *
46 * @param input stream to parse.
47 * @param name of the input stream to use in error messages.
48 * @return parsed UTC-TAI offsets.
49 * @throws IOException if {@code input} throws one during parsing.
50 */
51 List<OffsetModel> parse(InputStream input, String name) throws IOException;
52
53 }
54
55 }