@Override
  public void execute() throws MojoExecutionException {

    Path warExecFile = Paths.get(buildDirectory, finalName);
    try {
      Files.deleteIfExists(warExecFile);
      Files.createDirectories(warExecFile.getParent());

      try (OutputStream os = Files.newOutputStream(warExecFile);
          ArchiveOutputStream aos =
              new ArchiveStreamFactory().createArchiveOutputStream(ArchiveStreamFactory.JAR, os)) {

        // If project is a war project add the war to the project
        if ("war".equalsIgnoreCase(project.getPackaging())) {
          File projectArtifact = project.getArtifact().getFile();
          if (projectArtifact != null && Files.exists(projectArtifact.toPath())) {
            aos.putArchiveEntry(new JarArchiveEntry(projectArtifact.getName()));
            try (InputStream is = Files.newInputStream(projectArtifact.toPath())) {
              IOUtils.copy(is, aos);
            }
            aos.closeArchiveEntry();
          }
        }

        // Add extraWars into the jar
        if (extraWars != null) {
          for (Dependency extraWarDependency : extraWars) {
            ArtifactRequest request = new ArtifactRequest();
            request.setArtifact(
                new DefaultArtifact(
                    extraWarDependency.getGroupId(),
                    extraWarDependency.getArtifactId(),
                    extraWarDependency.getType(),
                    extraWarDependency.getVersion()));
            request.setRepositories(projectRepos);
            ArtifactResult result;
            try {
              result = repoSystem.resolveArtifact(repoSession, request);
            } catch (ArtifactResolutionException e) {
              throw new MojoExecutionException(e.getMessage(), e);
            }

            File extraWarFile = result.getArtifact().getFile();
            aos.putArchiveEntry(new JarArchiveEntry(extraWarFile.getName()));
            try (InputStream is = Files.newInputStream(extraWarFile.toPath())) {
              IOUtils.copy(is, aos);
            }
            aos.closeArchiveEntry();
          }
        }

        // Add extraResources into the jar. Folder /extra
        if (extraResources != null) {
          for (Resource extraResource : extraResources) {
            DirectoryScanner directoryScanner = new DirectoryScanner();
            directoryScanner.setBasedir(extraResource.getDirectory());

            directoryScanner.setExcludes(
                extraResource
                    .getExcludes()
                    .toArray(new String[extraResource.getExcludes().size()]));

            if (!extraResource.getIncludes().isEmpty()) {
              directoryScanner.setIncludes(
                  extraResource
                      .getIncludes()
                      .toArray(new String[extraResource.getIncludes().size()]));
            } else {
              // include everything by default
              directoryScanner.setIncludes(new String[] {"**"});
            }

            directoryScanner.scan();
            for (String includeFile : directoryScanner.getIncludedFiles()) {
              aos.putArchiveEntry(
                  new JarArchiveEntry(Runner.EXTRA_RESOURCES_DIR + "/" + includeFile));

              Path extraFile = Paths.get(extraResource.getDirectory(), includeFile);
              try (InputStream is = Files.newInputStream(extraFile)) {
                IOUtils.copy(is, aos);
              }
              aos.closeArchiveEntry();
            }
          }
        }

        Set<String> includeArtifacts = new HashSet<>();
        includeArtifacts.add("org.apache.tomcat:tomcat-jdbc");
        includeArtifacts.add("org.apache.tomcat.embed:tomcat-embed-core");
        includeArtifacts.add("org.apache.tomcat.embed:tomcat-embed-logging-juli");
        includeArtifacts.add("org.yaml:snakeyaml");
        includeArtifacts.add("com.beust:jcommander");

        if (includeJSPSupport) {
          includeArtifacts.add("org.apache.tomcat.embed:tomcat-embed-jasper");
          includeArtifacts.add("org.eclipse.jdt.core.compiler:ecj");
        }

        for (Artifact pluginArtifact : pluginArtifacts) {
          String artifactName = pluginArtifact.getGroupId() + ":" + pluginArtifact.getArtifactId();
          if (includeArtifacts.contains(artifactName)) {
            try (JarFile jarFile = new JarFile(pluginArtifact.getFile())) {
              extractJarToArchive(jarFile, aos);
            }
          }
        }

        if (extraDependencies != null) {
          for (Dependency dependency : extraDependencies) {

            ArtifactRequest request = new ArtifactRequest();
            request.setArtifact(
                new DefaultArtifact(
                    dependency.getGroupId(),
                    dependency.getArtifactId(),
                    dependency.getType(),
                    dependency.getVersion()));
            request.setRepositories(projectRepos);
            ArtifactResult result;
            try {
              result = repoSystem.resolveArtifact(repoSession, request);
            } catch (ArtifactResolutionException e) {
              throw new MojoExecutionException(e.getMessage(), e);
            }

            try (JarFile jarFile = new JarFile(result.getArtifact().getFile())) {
              extractJarToArchive(jarFile, aos);
            }
          }
        }

        if (includeJSPSupport) {
          addFile(aos, "/conf/web.xml", "conf/web.xml");
        } else {
          addFile(aos, "/conf/web_wo_jsp.xml", "conf/web.xml");
        }
        addFile(aos, "/conf/logging.properties", "conf/logging.properties");

        if (includeTcNativeWin32 != null) {
          aos.putArchiveEntry(new JarArchiveEntry("tcnative-1.dll.32"));
          Files.copy(Paths.get(includeTcNativeWin32), aos);
          aos.closeArchiveEntry();
        }

        if (includeTcNativeWin64 != null) {
          aos.putArchiveEntry(new JarArchiveEntry("tcnative-1.dll.64"));
          Files.copy(Paths.get(includeTcNativeWin64), aos);
          aos.closeArchiveEntry();
        }

        String[] runnerClasses = {
          "ch.rasc.embeddedtc.runner.CheckConfig$CheckConfigOptions",
          "ch.rasc.embeddedtc.runner.CheckConfig",
          "ch.rasc.embeddedtc.runner.Config",
          "ch.rasc.embeddedtc.runner.Shutdown",
          "ch.rasc.embeddedtc.runner.Context",
          "ch.rasc.embeddedtc.runner.DeleteDirectory",
          "ch.rasc.embeddedtc.runner.ObfuscateUtil$ObfuscateOptions",
          "ch.rasc.embeddedtc.runner.ObfuscateUtil",
          "ch.rasc.embeddedtc.runner.Runner$1",
          "ch.rasc.embeddedtc.runner.Runner$2",
          "ch.rasc.embeddedtc.runner.Runner$StartOptions",
          "ch.rasc.embeddedtc.runner.Runner$StopOptions",
          "ch.rasc.embeddedtc.runner.Runner$RunnerShutdownHook",
          "ch.rasc.embeddedtc.runner.Runner"
        };

        for (String rc : runnerClasses) {
          String classAsPath = rc.replace('.', '/') + ".class";

          try (InputStream is = getClass().getResourceAsStream("/" + classAsPath)) {
            aos.putArchiveEntry(new JarArchiveEntry(classAsPath));
            IOUtils.copy(is, aos);
            aos.closeArchiveEntry();
          }
        }

        Manifest manifest = new Manifest();

        Manifest.Attribute mainClassAtt = new Manifest.Attribute();
        mainClassAtt.setName("Main-Class");
        mainClassAtt.setValue(Runner.class.getName());
        manifest.addConfiguredAttribute(mainClassAtt);

        aos.putArchiveEntry(new JarArchiveEntry("META-INF/MANIFEST.MF"));
        manifest.write(aos);
        aos.closeArchiveEntry();

        aos.putArchiveEntry(new JarArchiveEntry(Runner.TIMESTAMP_FILENAME));
        aos.write(String.valueOf(System.currentTimeMillis()).getBytes(StandardCharsets.UTF_8));
        aos.closeArchiveEntry();
      }
    } catch (IOException | ArchiveException | ManifestException e) {
      throw new MojoExecutionException(e.getMessage(), e);
    }
  }
 /**
  * Writes a byte to the current archive entry.
  *
  * <p>This method simply calls write( byte[], 0, 1 ).
  *
  * <p>MUST be overridden if the {@link #write(byte[], int, int)} method is not overridden; may be
  * overridden otherwise.
  *
  * @param b The byte to be written.
  * @throws IOException on error
  */
 public void write(int b) throws IOException {
   oneByte[0] = (byte) (b & BYTE_MASK);
   write(oneByte, 0, 1);
 }