1 package io.guixer.maven;
2
3 import static com.google.common.base.Preconditions.checkNotNull;
4
5 import java.io.File;
6 import java.io.IOException;
7
8 import org.apache.maven.plugin.AbstractMojo;
9 import org.apache.maven.plugin.MojoExecutionException;
10 import org.apache.maven.project.MavenProject;
11
12 import io.guixer.logs.GuixerOut;
13 import io.guixer.logs.GuixerOutLoader;
14
15 public abstract class AbstractGuixerOutMojo extends AbstractMojo {
16
17 protected static File getTargetDir(
18 final MavenProject project
19 ) throws MojoExecutionException {
20
21 final String targetDirPath = project.getBuild().getDirectory();
22
23 final File plainTargetDir = new File(targetDirPath);
24
25 if (plainTargetDir.isDirectory()) {
26
27 return plainTargetDir;
28 }
29
30 final File stupidTargetDir = new File("target");
31
32 if (stupidTargetDir.isDirectory()) {
33
34 return stupidTargetDir;
35 }
36
37 throw new MojoExecutionException("\"target\" (build) directory cannot be found");
38 }
39
40 protected final File getGuixerOutDirectory(
41 final MavenProject project
42 ) throws MojoExecutionException {
43
44 checkNotNull(project, "project");
45
46 final File targetDir = getTargetDir(project);
47
48 final File guixerOutDir = new File(targetDir, "guixer_out");
49
50 if (!guixerOutDir.exists()) {
51
52 throw new MojoExecutionException("Cannot find guixer_out directory: " + guixerOutDir.getAbsolutePath());
53
54 } else if (!guixerOutDir.isDirectory()) {
55
56 throw new MojoExecutionException(
57 "guixer_out should be a directory, but was: " + guixerOutDir.getAbsolutePath());
58 }
59
60 return guixerOutDir;
61 }
62
63 protected final GuixerOut loadGuixerOut(
64 final MavenProject project
65 ) throws MojoExecutionException {
66
67 checkNotNull(project, "project");
68
69 final File guixerOutDir = getGuixerOutDirectory(project);
70
71 final String guixerOutDirPath;
72
73 try {
74
75 guixerOutDirPath = guixerOutDir.getCanonicalPath();
76
77 } catch (final IOException e) {
78
79 throw new MojoExecutionException(
80 "Unable to work with guixer_out directory: " + guixerOutDir.getAbsolutePath(), e);
81 }
82
83 final GuixerOut guixerOut;
84
85 try {
86
87 guixerOut = new GuixerOutLoader(guixerOutDir).getGuixerOut();
88
89 } catch (final IOException e) {
90
91 throw new MojoExecutionException("Cannot read guixer_out directory: " + guixerOutDirPath);
92 }
93
94 return guixerOut;
95 }
96 }