Java Wrapper.setLoadOnStartup方法代碼示例

import org.apache.catalina.Wrapper; //導入方法依賴的package包/類
/**
 * Static version of {@link #initWebappDefaults(String)}
 * @param ctx   The context to set the defaults for
 */
public static void initWebappDefaults(Context ctx) {
    // Default servlet 
    Wrapper servlet = addServlet(
            ctx, "default", "org.apache.catalina.servlets.DefaultServlet");
    servlet.setLoadOnStartup(1);
    servlet.setOverridable(true);

    // JSP servlet (by class name - to avoid loading all deps)
    servlet = addServlet(
            ctx, "jsp", "org.apache.jasper.servlet.JspServlet");
    servlet.addInitParameter("fork", "false");
    servlet.setLoadOnStartup(3);
    servlet.setOverridable(true);

    // Servlet mappings
    ctx.addServletMapping("/", "default");
    ctx.addServletMapping("*.jsp", "jsp");
    ctx.addServletMapping("*.jspx", "jsp");

    // Sessions
    ctx.setSessionTimeout(30);
    
    // MIME mappings
    for (int i = 0; i < DEFAULT_MIME_MAPPINGS.length;) {
        ctx.addMimeMapping(DEFAULT_MIME_MAPPINGS[i++],
                DEFAULT_MIME_MAPPINGS[i++]);
    }
    
    // Welcome files
    ctx.addWelcomeFile("index.html");
    ctx.addWelcomeFile("index.htm");
    ctx.addWelcomeFile("index.jsp");
}
 

import org.apache.catalina.Wrapper; //導入方法依賴的package包/類
@Test
public void testFlagFailCtxIfServletStartFails() throws Exception {
    Tomcat tomcat = getTomcatInstance();
    File docBase = new File(System.getProperty("java.io.tmpdir"));
    StandardContext context = (StandardContext) tomcat.addContext("",
            docBase.getAbsolutePath());

    // first we test the flag itself, which can be set on the Host and
    // Context
    assertFalse(context.getComputedFailCtxIfServletStartFails());

    StandardHost host = (StandardHost) tomcat.getHost();
    host.setFailCtxIfServletStartFails(true);
    assertTrue(context.getComputedFailCtxIfServletStartFails());
    context.setFailCtxIfServletStartFails(Boolean.FALSE);
    assertFalse("flag on Context should override Host config",
            context.getComputedFailCtxIfServletStartFails());

    // second, we test the actual effect of the flag on the startup
    Wrapper servlet = Tomcat.addServlet(context, "myservlet",
            new FailingStartupServlet());
    servlet.setLoadOnStartup(1);

    tomcat.start();
    assertTrue("flag false should not fail deployment", context.getState()
            .isAvailable());

    tomcat.stop();
    assertFalse(context.getState().isAvailable());

    host.removeChild(context);
    context = (StandardContext) tomcat.addContext("",
            docBase.getAbsolutePath());
    servlet = Tomcat.addServlet(context, "myservlet",
            new FailingStartupServlet());
    servlet.setLoadOnStartup(1);
    tomcat.start();
    assertFalse("flag true should fail deployment", context.getState()
            .isAvailable());
}
 

import org.apache.catalina.Wrapper; //導入方法依賴的package包/類
private void makeContext(Tomcat tomcat, Path noSuchBaseDir) throws IOException {
  Path contextPath = noSuchBaseDir.resolve("context");
  Files.createDirectories(contextPath);

  context = tomcat.addContext(contextPathURIBase, contextPath.toAbsolutePath().toString());

  context.setWebappVersion("3.1");
  context.setName("Oryx");

  context.addWelcomeFile("index.html");
  addErrorPages(context);

  // OryxApplication only needs one config value, so just pass it
  context.addParameter(OryxApplication.class.getName() + ".packages", appResourcesPackages);
  // ModelManagerListener will need whole config
  String serializedConfig = ConfigUtils.serialize(config);
  context.addParameter(ConfigUtils.class.getName() + ".serialized", serializedConfig);

  Wrapper wrapper =
      Tomcat.addServlet(context, "Jersey", "org.glassfish.jersey.servlet.ServletContainer");
  wrapper.addInitParameter("javax.ws.rs.Application", OryxApplication.class.getName());
  //wrapper.addInitParameter(OryxApplication.class.getName() + ".packages", appResourcesPackage);
  wrapper.addMapping("/*");
  wrapper.setLoadOnStartup(1);
  wrapper.setMultipartConfigElement(new MultipartConfigElement(""));

  if (!doNotInitTopics) { // Only for tests
    context.addApplicationListener(ModelManagerListener.class.getName());
  }

  // Better way to configure JASPIC?
  AuthConfigFactory.setFactory(new AuthConfigFactoryImpl());

  boolean needHTTPS = keystoreFile != null;
  boolean needAuthentication = userName != null;

  if (needHTTPS || needAuthentication) {

    SecurityCollection securityCollection = new SecurityCollection();
    securityCollection.addPattern("/*");
    SecurityConstraint securityConstraint = new SecurityConstraint();
    securityConstraint.addCollection(securityCollection);

    if (needHTTPS) {
      securityConstraint.setUserConstraint("CONFIDENTIAL");
    }

    if (needAuthentication) {

      LoginConfig loginConfig = new LoginConfig();
      loginConfig.setAuthMethod("DIGEST");
      loginConfig.setRealmName(InMemoryRealm.NAME);
      context.setLoginConfig(loginConfig);

      securityConstraint.addAuthRole(InMemoryRealm.AUTH_ROLE);

      context.addSecurityRole(InMemoryRealm.AUTH_ROLE);
      DigestAuthenticator authenticator = new DigestAuthenticator();
      authenticator.setNonceValidity(10 * 1000L); // Shorten from 5 minutes to 10 seconds
      authenticator.setNonceCacheSize(20000); // Increase from 1000 to 20000
      context.getPipeline().addValve(authenticator);
    }

    context.addConstraint(securityConstraint);
  }

  context.setCookies(false);
}