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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.building;
20  
21  import javax.inject.Inject;
22  import javax.inject.Named;
23  import javax.inject.Singleton;
24  
25  import java.io.IOException;
26  import java.io.InputStream;
27  import java.lang.reflect.Method;
28  import java.nio.file.Path;
29  import java.util.HashMap;
30  import java.util.List;
31  import java.util.Map;
32  import java.util.Properties;
33  
34  import org.apache.maven.api.Session;
35  import org.apache.maven.api.services.BuilderProblem;
36  import org.apache.maven.api.services.Source;
37  import org.apache.maven.api.services.ToolchainsBuilderException;
38  import org.apache.maven.api.services.ToolchainsBuilderRequest;
39  import org.apache.maven.api.services.ToolchainsBuilderResult;
40  import org.apache.maven.api.services.xml.ToolchainsXmlFactory;
41  import org.apache.maven.building.FileSource;
42  import org.apache.maven.building.Problem;
43  import org.apache.maven.building.ProblemCollector;
44  import org.apache.maven.building.ProblemCollectorFactory;
45  import org.apache.maven.toolchain.model.PersistedToolchains;
46  import org.codehaus.plexus.interpolation.os.OperatingSystemUtils;
47  
48  /**
49   *
50   * @since 3.3.0
51   * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.ToolchainsBuilder} instead
52   */
53  @Named
54  @Singleton
55  @Deprecated(since = "4.0.0")
56  public class DefaultToolchainsBuilder implements ToolchainsBuilder {
57      private final org.apache.maven.api.services.ToolchainsBuilder builder;
58      private final ToolchainsXmlFactory toolchainsXmlFactory;
59  
60      @Inject
61      public DefaultToolchainsBuilder(
62              org.apache.maven.api.services.ToolchainsBuilder builder, ToolchainsXmlFactory toolchainsXmlFactory) {
63          this.builder = builder;
64          this.toolchainsXmlFactory = toolchainsXmlFactory;
65      }
66  
67      @Override
68      public ToolchainsBuildingResult build(ToolchainsBuildingRequest request) throws ToolchainsBuildingException {
69          try {
70              ToolchainsBuilderResult result = builder.build(ToolchainsBuilderRequest.builder()
71                      .session((Session) java.lang.reflect.Proxy.newProxyInstance(
72                              Session.class.getClassLoader(),
73                              new Class[] {Session.class},
74                              (Object proxy, Method method, Object[] args) -> {
75                                  if ("getSystemProperties".equals(method.getName())) {
76                                      Map<String, String> properties = new HashMap<>();
77                                      Properties env = OperatingSystemUtils.getSystemEnvVars();
78                                      env.stringPropertyNames()
79                                              .forEach(k -> properties.put("env." + k, env.getProperty(k)));
80                                      return properties;
81                                  } else if ("getUserProperties".equals(method.getName())) {
82                                      return Map.of();
83                                  } else if ("getService".equals(method.getName())) {
84                                      if (args[0] == ToolchainsXmlFactory.class) {
85                                          return toolchainsXmlFactory;
86                                      }
87                                  }
88                                  return null;
89                              }))
90                      .installationToolchainsSource(convert(request.getGlobalToolchainsSource()))
91                      .userToolchainsSource(convert(request.getUserToolchainsSource()))
92                      .build());
93  
94              return new DefaultToolchainsBuildingResult(
95                      new PersistedToolchains(result.getEffectiveToolchains()), convert(result.getProblems()));
96          } catch (ToolchainsBuilderException e) {
97              throw new ToolchainsBuildingException(convert(e.getProblems()));
98          }
99      }
100 
101     private Source convert(org.apache.maven.building.Source source) {
102         if (source instanceof FileSource fs) {
103             return Source.fromPath(fs.getPath());
104         } else if (source != null) {
105             return new Source() {
106                 @Override
107                 public Path getPath() {
108                     return null;
109                 }
110 
111                 @Override
112                 public InputStream openStream() throws IOException {
113                     return source.getInputStream();
114                 }
115 
116                 @Override
117                 public String getLocation() {
118                     return source.getLocation();
119                 }
120 
121                 @Override
122                 public Source resolve(String relative) {
123                     return null;
124                 }
125             };
126         } else {
127             return null;
128         }
129     }
130 
131     private List<Problem> convert(List<BuilderProblem> problems) {
132         ProblemCollector collector = ProblemCollectorFactory.newInstance(null);
133         problems.forEach(p -> collector.add(
134                 Problem.Severity.valueOf(p.getSeverity().name()),
135                 p.getMessage(),
136                 p.getLineNumber(),
137                 p.getColumnNumber(),
138                 p.getException()));
139         return collector.getProblems();
140     }
141 }