private void copyProvidedFiles()

in meecrowave-maven-plugin/src/main/java/org/apache/meecrowave/maven/MeecrowaveBundleMojo.java [367:434]
62 lines of code
16 McCabe index (conditional complexity)

    private void copyProvidedFiles(final File distroFolder) throws MojoExecutionException
    {
        boolean customLog4jConfig = false;
        boolean customMwProperties = false;
        final Log log = getLog();

        File srcConf = new File(conf);
        if (!srcConf.isAbsolute()) {
            srcConf = new File(project.getBasedir(), conf);
        }
        if (srcConf.isDirectory()) {
            final File targetConf = new File(distroFolder, "conf");
            targetConf.mkdirs();

            for (final File file : srcConf.listFiles()) {
                final String fileName = file.getName();
                if ("log4j2.xml".equals(fileName)) {
                    customLog4jConfig = true;
                } else if ("meecrowave.properties".equals(fileName)) {
                    customMwProperties = true;
                } else if (fileName.startsWith(".")) {
                    // hidden file -> ignore
                    continue;
                }

                try {
                    if (log.isDebugEnabled()) {
                        log.debug("Copying file from " + file + " to " + targetConf);
                    }
                    Files.copy(file.toPath(), new File(targetConf, fileName).toPath());
                } catch (final IOException e) {
                    throw new MojoExecutionException("Could not copy file " + file.getAbsolutePath(), e);
                }
            }
        }
        if (!customLog4jConfig)
        {
            writeLog4jConfig(distroFolder);
        }

        if (!customMwProperties)
        {
            writeMeecrowaveProperties(distroFolder);
        }

        final File srcBin = new File(project.getBasedir(), bin);
        if (srcBin.exists() && srcBin.isDirectory()) {
            final File targetRoot = new File(distroFolder, "bin");
            targetRoot.mkdirs();
            Stream.of(srcBin.listFiles())
                  .filter(f -> !f.isDirectory()) // not nested for now
                  .forEach(f -> {
                      try {
                          if (log.isDebugEnabled()) {
                              log.debug("Copying file from " + f + " to " + targetRoot);
                          }
                          final File target = new File(targetRoot, f.getName());
                          Files.copy(f.toPath(), target.toPath());
                          if (target.getName().endsWith(".sh")) {
                              target.setExecutable(true);
                          }
                      }
                      catch (final IOException e) {
                          throw new IllegalArgumentException("Could not copy file " + f.getAbsolutePath(), e);
                      }
                  });
        }
    }