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1   /*
2    * Copyright (c) 2012-2022 Yegor Bugayenko
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met: 1) Redistributions of source code must retain the above
8    * copyright notice, this list of conditions and the following
9    * disclaimer. 2) Redistributions in binary form must reproduce the above
10   * copyright notice, this list of conditions and the following
11   * disclaimer in the documentation and/or other materials provided
12   * with the distribution. 3) Neither the name of the jcabi.com nor
13   * the names of its contributors may be used to endorse or promote
14   * products derived from this software without specific prior written
15   * permission.
16   *
17   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
19   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28   * OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package com.jcabi.maven.plugin;
31  
32  import com.jcabi.log.Logger;
33  import java.io.File;
34  import java.io.IOException;
35  import org.apache.commons.io.FileUtils;
36  import org.apache.maven.plugin.MojoFailureException;
37  
38  /**
39   * Operations on the unwoven classes, like storing them in a separate
40   * location from the woven ones. Unwoven classes are classes which weren't
41   * yet weaved by the aspect weaver.
42   *
43   * @since 0.15
44   */
45  final class UnwovenClasses {
46  
47      /**
48       * Directory where unwoven classes are saved.
49       */
50      private final transient File unwoven;
51  
52      /**
53       * Output directory from where the classes are taken.
54       */
55      private final transient File classes;
56  
57      /**
58       * Maven execution phase.
59       */
60      private final transient String phase;
61  
62      /**
63       * Constructor.
64       * @param uwvn Dir where unwoven classes go
65       * @param cls Directory where the classes are found
66       * @param phs Maven execution phase
67       */
68      UnwovenClasses(final File uwvn, final File cls,
69          final String phs) {
70          this.unwoven = uwvn;
71          this.classes = cls;
72          this.phase = phs;
73      }
74  
75      /**
76       * Perform the copy. Unwoven classes go in <b>unwoven</b> directory, while
77       * unwoven test classes go in <b>unwoven</b> + -test directory.
78       * @throws MojoFailureException If there is an IOException when
79       *  copying the files
80       */
81      void copy() throws MojoFailureException {
82          if ("process-classes".equals(this.phase)) {
83              this.unwoven.mkdirs();
84              Logger.info(
85                  this, "Unwoven classes will be copied to %s",
86                  this.unwoven
87              );
88              UnwovenClasses.copyContents(this.classes, this.unwoven);
89          } else if ("process-test-classes".equals(this.phase)) {
90              final String suffix = "-test";
91              final File tests = new File(
92                  this.unwoven.getPath().concat(suffix)
93              );
94              tests.mkdirs();
95              Logger.info(
96                  this, "Unwoven test classes will be copied to %s",
97                  tests
98              );
99              UnwovenClasses.copyContents(this.classes, tests);
100         }
101     }
102 
103     /**
104      * Copies contents from one dir to another.
105      * @param from From directory
106      * @param dest Destination directory
107      * @throws MojoFailureException If something goes wrong while
108      *  cleaning the destination director or copying files to it
109      */
110     private static void copyContents(
111         final File from, final File dest) throws MojoFailureException {
112         try {
113             FileUtils.cleanDirectory(dest);
114             FileUtils.copyDirectory(from, dest, false);
115         } catch (final IOException ex) {
116             throw new MojoFailureException(
117                 String.format(
118                     "Error when cleaning dest dir or when copying files: %s",
119                     ex.getMessage()
120                 ),
121                 ex
122             );
123         }
124     }
125 
126 }