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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 javax.inject.Named;
22  import javax.inject.Singleton;
23  import javax.xml.stream.XMLStreamException;
24  
25  import java.io.File;
26  import java.io.IOException;
27  import java.io.InputStream;
28  import java.io.Reader;
29  import java.nio.file.Files;
30  import java.util.Map;
31  import java.util.Objects;
32  
33  import org.apache.maven.api.toolchain.InputSource;
34  import org.apache.maven.toolchain.model.PersistedToolchains;
35  import org.apache.maven.toolchain.v4.MavenToolchainsStaxReader;
36  
37  /**
38   * Handles deserialization of toolchains from the default textual format.
39   *
40   * @since 3.3.0
41   */
42  @Named
43  @Singleton
44  public class DefaultToolchainsReader implements ToolchainsReader {
45  
46      @Override
47      public PersistedToolchains read(File input, Map<String, ?> options) throws IOException {
48          Objects.requireNonNull(input, "input cannot be null");
49  
50          try (InputStream in = Files.newInputStream(input.toPath())) {
51              InputSource source = new InputSource(input.toString());
52              return new PersistedToolchains(new MavenToolchainsStaxReader().read(in, isStrict(options), source));
53          } catch (XMLStreamException e) {
54              throw new ToolchainsParseException(
55                      e.getMessage(),
56                      e.getLocation().getLineNumber(),
57                      e.getLocation().getColumnNumber(),
58                      e);
59          }
60      }
61  
62      @Override
63      public PersistedToolchains read(Reader input, Map<String, ?> options) throws IOException {
64          Objects.requireNonNull(input, "input cannot be null");
65  
66          try (Reader in = input) {
67              InputSource source = (InputSource) options.get(InputSource.class.getName());
68              return new PersistedToolchains(new MavenToolchainsStaxReader().read(in, isStrict(options), source));
69          } catch (XMLStreamException e) {
70              throw new ToolchainsParseException(
71                      e.getMessage(),
72                      e.getLocation().getLineNumber(),
73                      e.getLocation().getColumnNumber(),
74                      e);
75          }
76      }
77  
78      @Override
79      public PersistedToolchains read(InputStream input, Map<String, ?> options) throws IOException {
80          Objects.requireNonNull(input, "input cannot be null");
81  
82          try (InputStream in = input) {
83              InputSource source = (InputSource) options.get(InputSource.class.getName());
84              return new PersistedToolchains(new MavenToolchainsStaxReader().read(in, isStrict(options), source));
85          } catch (XMLStreamException e) {
86              throw new ToolchainsParseException(
87                      e.getMessage(),
88                      e.getLocation().getLineNumber(),
89                      e.getLocation().getColumnNumber(),
90                      e);
91          }
92      }
93  
94      private boolean isStrict(Map<String, ?> options) {
95          Object value = (options != null) ? options.get(IS_STRICT) : null;
96          return value == null || Boolean.parseBoolean(value.toString());
97      }
98  }