public void layoutContents()

in sonar-plugin-server/src/main/java/jetbrains/buildserver/sonarplugin/msbuild/tool/SimpleZipToolProviderSQMSBuild.java [149:239]
80 lines of code
12 McCabe index (conditional complexity)

    public void layoutContents(@NotNull final Path toolPath, @NotNull final Path targetPath) throws ToolException {
        try (final FileSystem fs = FileSystems.newFileSystem(toolPath, (ClassLoader)null)) {
            Files.walkFileTree(fs.getPath("/"), new FileVisitor<Path>() {
                @NotNull private Path currentPath = targetPath;

                @Override
                public FileVisitResult preVisitDirectory(final Path path, final BasicFileAttributes basicFileAttributes) throws IOException {
                    final Path targetDir = resolve(targetPath, fs.getPath("/").relativize(path));

                    try {
                        Files.createDirectory(targetDir);
                    } catch (FileAlreadyExistsException ignore) {
                    }

                    currentPath = targetDir;
                    return FileVisitResult.CONTINUE;
                }

                @Override
                public FileVisitResult visitFile(final Path path, final BasicFileAttributes basicFileAttributes) throws IOException {
                    Path resolve = currentPath.resolve(path.getFileName().toString());
                    if (!Files.exists(resolve) && resolve.startsWith(currentPath)) {
                        Files.copy(path, resolve);
                    }

                    return FileVisitResult.CONTINUE;
                }

                @Override
                public FileVisitResult visitFileFailed(final Path path, final IOException e) {
                    Loggers.SERVER.warn(e);

                    return FileVisitResult.TERMINATE;
                }

                @Override
                public FileVisitResult postVisitDirectory(final Path path, final IOException e) {
                    currentPath = currentPath.getParent();

                    return FileVisitResult.CONTINUE;
                }
            });
        } catch (IOException e) {
            throw new ToolException("Error", e);
        }

        List<Path> sonarScanners = null;
        try (Stream<Path> children = Files.list(targetPath)) {
            sonarScanners = children.filter(p -> p.getFileName().toString().startsWith(SONAR_SCANNER_PREFIX)).collect(Collectors.toList());
        } catch (IOException e) {
            e.printStackTrace();
        }
        if (sonarScanners == null) {
            sonarScanners = Collections.emptyList();
        }
        List<Path> executablePaths = new ArrayList<>();
        for (Path sonarScanner: sonarScanners) {
            try (Stream<Path> bin = Files.list(sonarScanner.resolve(BIN))) {
                bin.filter(Files::isRegularFile).forEach(executablePaths::add);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        try (Stream<Path> children = Files.list(targetPath)) {
            children.filter(p -> p.getFileName().toString().endsWith(".exe")).forEach(executablePaths::add);
        } catch (IOException e) {
            e.printStackTrace();
        }

        final Path descriptor = targetPath.resolve(TEAMCITY_PLUGIN_XML);
        try {
            List<String> iterable = new ArrayList<>(Arrays.asList(
                    "<?xml version=\"1.0\" encoding=\"UTF-8\"?>",
                    "<teamcity-agent-plugin xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"",
                    "                       xsi:noNamespaceSchemaLocation=\"urn:shemas-jetbrains-com:teamcity-agent-plugin-v1-xml\">",
                    "  <tool-deployment>",
                    "    <layout>",
                    "      <executable-files>"));
            for (Path path: executablePaths) {
                iterable.add("          <include name='" + targetPath.relativize(path).toString() + "'/>");
            }
            iterable.addAll(Arrays.asList(
                    "      </executable-files>",
                    "    </layout>",
                    "  </tool-deployment>",
                    "</teamcity-agent-plugin>"));
            Files.write(descriptor, iterable);
        } catch (IOException e) {
            throw new ToolException("Cannot write teamcity-plugin.xml", e);
        }
    }