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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;
20  
21  import javax.inject.Named;
22  import javax.inject.Singleton;
23  
24  import java.io.File;
25  import java.io.InputStream;
26  import java.nio.file.Files;
27  
28  import org.apache.maven.toolchain.model.PersistedToolchains;
29  import org.apache.maven.toolchain.v4.MavenToolchainsStaxReader;
30  import org.slf4j.Logger;
31  import org.slf4j.LoggerFactory;
32  
33  /**
34   * @deprecated instead use {@link org.apache.maven.toolchain.building.DefaultToolchainsBuilder}
35   */
36  @Deprecated
37  @Named("default")
38  @Singleton
39  public class DefaultToolchainsBuilder implements ToolchainsBuilder {
40      private final Logger logger = LoggerFactory.getLogger(getClass());
41  
42      public PersistedToolchains build(File userToolchainsFile) throws MisconfiguredToolchainException {
43          PersistedToolchains toolchains = null;
44  
45          if (userToolchainsFile != null && userToolchainsFile.isFile()) {
46              try (InputStream in = Files.newInputStream(userToolchainsFile.toPath())) {
47                  toolchains = new PersistedToolchains(new MavenToolchainsStaxReader().read(in));
48              } catch (Exception e) {
49                  throw new MisconfiguredToolchainException(
50                          "Cannot read toolchains file at " + userToolchainsFile.getAbsolutePath(), e);
51              }
52  
53          } else if (userToolchainsFile != null) {
54              logger.debug("Toolchains configuration was not found at {}", userToolchainsFile);
55          }
56  
57          return toolchains;
58      }
59  }