@BeforeClass
public static void setup() throws ServletException {
    final PathHandler root = new PathHandler();
    final ServletContainer container = ServletContainer.Factory.newInstance();

    DeploymentInfo builder = new DeploymentInfo()
            .setClassIntrospecter(TestClassIntrospector.INSTANCE)
            .setClassLoader(ContentTypeFilesTestCase.class.getClassLoader())
            .setContextPath("/app")
            .setDeploymentName("servletContext.war")
            .setResourceManager(new TestResourceLoader(ContentTypeServlet.class))
            .setDefaultServletConfig(new DefaultServletConfig(true))
            .addMimeMapping(new MimeMapping("jnlp", "application/x-java-jnlp-file"));

    DeploymentManager manager = container.addDeployment(builder);
    manager.deploy();
    root.addPrefixPath(builder.getContextPath(), manager.start());
    DefaultServer.setRootHandler(root);
}
 

private void initializeMimeMappings(final DeploymentImpl deployment, final DeploymentInfo deploymentInfo) {
    final Map<String, String> mappings = new HashMap<>(MimeMappings.DEFAULT_MIME_MAPPINGS);
    for (MimeMapping mapping : deploymentInfo.getMimeMappings()) {
        mappings.put(mapping.getExtension().toLowerCase(Locale.ENGLISH), mapping.getMimeType());
    }
    deployment.setMimeExtensionMappings(mappings);
}
 

private void initializeMimeMappings(final DeploymentImpl deployment, final DeploymentInfo deploymentInfo) {
    final Map<String, String> mappings = new HashMap<>(MimeMappings.DEFAULT_MIME_MAPPINGS);
    for (MimeMapping mapping : deploymentInfo.getMimeMappings()) {
        mappings.put(mapping.getExtension().toLowerCase(Locale.ENGLISH), mapping.getMimeType());
    }
    deployment.setMimeExtensionMappings(mappings);
}
 

public void addMimeMapping(RuntimeValue<DeploymentInfo> info, String extension,
        String mimeType) throws Exception {
    info.getValue().addMimeMapping(new MimeMapping(extension, mimeType));
}
 

/**
 * 让 undertow 支持音视频格式文件在线播放
 */
public static void init(DeploymentInfo di) {
   for (Map.Entry<String,String> entry : mappings.entrySet()){
       di.addMimeMapping(new MimeMapping(entry.getKey(),entry.getValue()));
   }
}