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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.toolchain.io;
20  
21  import java.io.File;
22  import java.io.IOException;
23  import java.io.InputStream;
24  import java.io.Reader;
25  import java.util.Map;
26  
27  import org.apache.maven.toolchain.model.PersistedToolchains;
28  
29  /**
30   * Handles deserialization of toolchains from some kind of textual format like XML.
31   *
32   * @author Robert Scholte
33   * @since 3.3.0
34   */
35  public interface ToolchainsReader {
36  
37      /**
38       * The key for the option to enable strict parsing. This option is of type {@link Boolean} and defaults to {@code
39       * true}. If {@code false}, unknown elements will be ignored instead of causing a failure.
40       */
41      String IS_STRICT = "org.apache.maven.toolchains.io.isStrict";
42  
43      /**
44       * Reads the toolchains from the specified file.
45       *
46       * @param input The file to deserialize the toolchains from, must not be {@code null}.
47       * @param options The options to use for deserialization, may be {@code null} to use the default values.
48       * @return The deserialized toolchains, never {@code null}.
49       * @throws IOException If the toolchains could not be deserialized.
50       * @throws ToolchainsParseException If the input format could not be parsed.
51       */
52      PersistedToolchains read(File input, Map<String, ?> options) throws IOException, ToolchainsParseException;
53  
54      /**
55       * Reads the toolchains from the specified character reader. The reader will be automatically closed before the
56       * method returns.
57       *
58       * @param input The reader to deserialize the toolchains from, must not be {@code null}.
59       * @param options The options to use for deserialization, may be {@code null} to use the default values.
60       * @return The deserialized toolchains, never {@code null}.
61       * @throws IOException If the toolchains could not be deserialized.
62       * @throws ToolchainsParseException If the input format could not be parsed.
63       */
64      PersistedToolchains read(Reader input, Map<String, ?> options) throws IOException, ToolchainsParseException;
65  
66      /**
67       * Reads the toolchains from the specified byte stream. The stream will be automatically closed before the method
68       * returns.
69       *
70       * @param input The stream to deserialize the toolchains from, must not be {@code null}.
71       * @param options The options to use for deserialization, may be {@code null} to use the default values.
72       * @return The deserialized toolchains, never {@code null}.
73       * @throws IOException If the toolchains could not be deserialized.
74       * @throws ToolchainsParseException If the input format could not be parsed.
75       */
76      PersistedToolchains read(InputStream input, Map<String, ?> options) throws IOException, ToolchainsParseException;
77  }