enterpriseapplication.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 805 行 · 第 1/2 页

    if (! _lifecycle.toInit())
      return;

    Vfs.setPwd(_rootDir, _loader);

    _loader.addJarManifestClassPath(_rootDir);

    // server/13bb vs TCK
    if ("1.4".equals(_version)) {
      // XXX: tck ejb30/persistence/basic needs to add the lib/*.jar
      // to find the META-INF/persistence.xml
      fillDefaultLib();
    }
    else {
      fillDefaultModules();
    }

    if (_ejbPaths.size() != 0) {
      EjbContainer ejbContainer = EjbContainer.create();

      for (Path path : _ejbPaths) {
        ejbContainer.addRoot(path);
	_loader.addJar(path);
      }

      _loader.validate();

      // XXX:??
      /*
      Path ejbJar = _rootDir.lookup("META-INF/ejb-jar.xml");
      if (ejbJar.canRead()) {
        ejbContainer.addRoot(path);
      }
      */

      // starts with the environment
      // ejbServer.start();
    }

    // updates the invocation caches
    if (_container != null)
      _container.clearCache();
  }

  private void fillDefaultModules()
  {
    try {
      fillDefaultLib();

      for (String file : _rootDir.list()) {
        if (file.endsWith(".jar")) {
          Path path = _rootDir.lookup(file);
          Path jar = JarPath.create(path);

          try {
            if (jar.lookup("META-INF/application-client.xml").canRead()) {
              // app-client jar
            }
            else if (jar.lookup("META-INF/ejb-jar.xml").canRead()) {
              addEjbPath(path);

              _loader.addJar(path);
              _loader.addJarManifestClassPath(path);
            }
            else {
              addEjbPath(path);

              _loader.addJar(path);
            }
          }
          catch (java.util.zip.ZipException e) {
            // XXX: jpa tck, error in opening zip file
            // canRead() is throwing an exception when
            // META-INF/application-client.xml does not exist?
            log.log(Level.WARNING, e.toString(), e);
          }
        }
        else if (file.endsWith(".war")) {
          Module module = createModule();
          WebModule web = new WebModule();
          web.setWebURI(file);

          module.addWeb(web);
        }
      }
    } catch (RuntimeException e) {
      throw e;
    } catch (Exception e) {
      throw ConfigException.create(e);
    }
  }

  private void fillDefaultLib()
    throws Exception
  {
    String libDir = "lib";

    // ejb/0fa0
    if (_libraryDirectory != null)
      libDir = _libraryDirectory;

    if (_rootDir.lookup(libDir).isDirectory()) {
      Path lib = _rootDir.lookup(libDir);

      for (String file : lib.list()) {
        if (file.endsWith(".jar")) {
          _loader.addJar(lib.lookup(file));
        }
      }
    }
  }

  /**
   * Configures the application.
   */
  public void start()
  {
    if (! _lifecycle.toStarting())
      return;

    Thread thread = Thread.currentThread();
    ClassLoader oldLoader = thread.getContextClassLoader();

    try {
      thread.setContextClassLoader(getClassLoader());

      for (int i = 0; i < _webConfigList.size(); i++) {
        WebModule web = _webConfigList.get(i);

        initWeb(web);
      }

      getClassLoader().start();

      for (WebAppController webApp : _webApps) {
        _container.getWebAppGenerator().update(webApp.getContextPath());
      }
    } finally {
      _lifecycle.toActive();

      thread.setContextClassLoader(oldLoader);
    }
  }

  void initWeb(WebModule web)
  {
    String webUri = web.getWebURI();
    String contextUrl = web.getContextRoot();
    Path path = _rootDir.lookup(webUri);
    Path archivePath = null;

    if (contextUrl == null)
      contextUrl = webUri;

    WebAppController controller = null;

    if (webUri.endsWith(".war")) {
      // server/2a16
      String name = webUri.substring(0, webUri.length() - 4);
      int p = name.lastIndexOf('/');
      if (p > 0)
        name = name.substring(p + 1);

      // XXX:
      if (contextUrl.equals(""))
        contextUrl = "/" + name;

      if (contextUrl.endsWith(".war"))
        contextUrl = contextUrl.substring(0, contextUrl.length() - 4);

      Path expandPath = _webappsPath;

      try {
        expandPath.mkdirs();
      } catch (Exception e) {
        log.log(Level.WARNING, e.toString(), e);
      }

      archivePath = path;
      path = expandPath.lookup(name);
    } else {
      // server/2a15
      if (contextUrl.equals("")) {
        String name = webUri;
        int p = name.lastIndexOf('/');
        if (p > 0)
          name = name.substring(p + 1);
        contextUrl = "/" + name;
      }

      // server/2a17
      if (contextUrl.endsWith(".war"))
        contextUrl = contextUrl.substring(0, contextUrl.length() - 4);
    }

    controller = findWebAppEntry(contextUrl);

    if (controller == null) {
      controller = new WebAppController(contextUrl,
					contextUrl,
                                        path,
                                        _container);

      _webApps.add(controller);
    }

    if (archivePath != null)
      controller.setArchivePath(archivePath);

    controller.setDynamicDeploy(true);

    if (_configException != null)
      controller.setConfigException(_configException);

    for (WebAppConfig config : web.getWebAppList())
      controller.addConfigDefault(config);
  }


  /**
   * Returns any matching web-app.
   */
  public WebAppController findWebAppEntry(String name)
  {
    for (int i = 0; i < _webApps.size(); i++) {
      WebAppController controller = _webApps.get(i);

      if (controller.isNameMatch(name))
        return controller;
    }

    return null;
  }

  private void addDepend(Path path)
  {
    _loader.addDependency(new com.caucho.vfs.Depend(path));
  }

  /**
   * Returns the webapps for the enterprise-application.
   */
  public ArrayList<WebAppController> getApplications()
  {
    return _webApps;
  }

  /**
   * Stops the e-application.
   */
  public void stop()
  {
    if (! _lifecycle.toStopping())
      return;

    Thread thread = Thread.currentThread();
    ClassLoader oldLoader = thread.getContextClassLoader();

    try {
      thread.setContextClassLoader(_loader);

      //log.info(this + " stopping");

      _loader.stop();

      //log.fine(this + " stopped");
    } finally {
      _lifecycle.toStop();

      thread.setContextClassLoader(oldLoader);
    }
  }

  /**
   * destroys the e-application.
   */
  public void destroy()
  {
    stop();

    if (! _lifecycle.toDestroy())
      return;

    Thread thread = Thread.currentThread();
    ClassLoader oldLoader = thread.getContextClassLoader();

    try {
      thread.setContextClassLoader(getClassLoader());

      log.fine(this + " destroying");

      ArrayList<WebAppController> webApps = _webApps;
      _webApps = null;

      if (webApps != null) {
        for (WebAppController webApp : webApps) {
          _container.getWebAppGenerator().update(webApp.getContextPath());
        }
      }
    } finally {
      thread.setContextClassLoader(oldLoader);

      _loader.destroy();

      log.fine(this + " destroyed");
    }
  }

  //
  // JMX utilities
  //

  public String getClientRefs()
  {
    EjbContainer ejbContainer = EjbContainer.create();

    return ejbContainer.getClientRemoteConfig();
  }

  public String toString()
  {
    return "EnterpriseApplication[" + getName() + "]";
  }

  public class Module {
    /**
     * Sets the module id.
     */
    public void setId(String id)
    {
    }

    /**
     * Creates a new web module.
     */
    public void addWeb(WebModule web)
      throws Exception
    {
      String webUri = web.getWebURI();

      WebModule oldWeb = findWebModule(webUri);

      if (oldWeb != null) {
        String contextUrl = web.getContextRoot();

        if (contextUrl != null && ! "".equals(contextUrl))
          oldWeb.setContextRoot(contextUrl);

        oldWeb.addWebAppList(web.getWebAppList());
      }
      else
        addWebModule(web);
    }

    /**
     * Adds a new ejb module.
     */
    public void addEjb(Path path)
      throws Exception
    {
      addEjbPath(path);

      _loader.addJar(path);
      // ejb/0853
      _loader.addJarManifestClassPath(path);
    }

    /**
     * Adds a new java module.
     */
    public void addJava(Path path)
      throws ConfigException
    {
      if (! path.canRead())
        throw new ConfigException(L.l("<java> module {0} must be a valid path.",
                                      path));
    }

    /**
     * Adds a new connector
     */
    public void addConnector(String path)
    {
    }

    /**
     * Adds a new alt-dd module.
     */
    public void addAltDD(String path)
    {
    }
  }

  private void addEjbPath(Path ejbPath)
  {
    if (_ejbPaths.contains(ejbPath))
      return;

    _ejbPaths.add(ejbPath);
  }
}