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1   package org.apache.maven.toolchain.io;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.File;
23  import java.io.IOException;
24  import java.io.InputStream;
25  import java.io.Reader;
26  import java.util.Map;
27  import java.util.Objects;
28  
29  import javax.inject.Named;
30  import javax.inject.Singleton;
31  
32  import org.apache.maven.toolchain.model.PersistedToolchains;
33  import org.apache.maven.toolchain.model.io.xpp3.MavenToolchainsXpp3Reader;
34  import org.codehaus.plexus.util.ReaderFactory;
35  import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
36  
37  /**
38   * Handles deserialization of toolchains from the default textual format.
39   *
40   * @author Robert Scholte
41   * @since 3.3.0
42   */
43  @Named
44  @Singleton
45  public class DefaultToolchainsReader
46      implements ToolchainsReader
47  {
48  
49      @Override
50      public PersistedToolchains read( File input, Map<String, ?> options )
51          throws IOException
52      {
53          Objects.requireNonNull( input, "input cannot be null" );
54  
55          return read( ReaderFactory.newXmlReader( input ), options );
56      }
57  
58      @Override
59      public PersistedToolchains read( Reader input, Map<String, ?> options )
60          throws IOException
61      {
62          Objects.requireNonNull( input, "input cannot be null" );
63  
64          try ( final Reader in = input )
65          {
66              return new MavenToolchainsXpp3Reader().read( in, isStrict( options ) );
67          }
68          catch ( XmlPullParserException e )
69          {
70              throw new ToolchainsParseException( e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e );
71          }
72      }
73  
74      @Override
75      public PersistedToolchains read( InputStream input, Map<String, ?> options )
76          throws IOException
77      {
78          Objects.requireNonNull( input, "input cannot be null" );
79  
80          try ( final InputStream in = input )
81          {
82              return new MavenToolchainsXpp3Reader().read( in, isStrict( options ) );
83          }
84          catch ( XmlPullParserException e )
85          {
86              throw new ToolchainsParseException( e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e );
87          }
88      }
89  
90      private boolean isStrict( Map<String, ?> options )
91      {
92          Object value = ( options != null ) ? options.get( IS_STRICT ) : null;
93          return value == null || Boolean.parseBoolean( value.toString() );
94      }
95  
96  }