Examples of com.caucho.server.dispatch.ExceptionFilterChain

com.caucho.server.dispatch.ExceptionFilterChain
Represents the final servlet in a filter chain.

  @Override
  public Invocation buildInvocation(Invocation invocation)
    throws ConfigException
  {
    if (_configException != null) {
      invocation.setFilterChain(new ExceptionFilterChain(_configException));
      invocation.setWebApp(getErrorWebApp());
      invocation.setDependency(AlwaysModified.create());


      return invocation;
    }

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  @Override
  public Invocation buildInvocation(Invocation invocation)
    throws ConfigException
  {
    if (_configException != null) {
      FilterChain chain = new ExceptionFilterChain(_configException);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());


      return invocation;
    }

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  {
    if (! _lifecycle.waitForActive(_startWaitTime)) {
      UnavailableException e;
      e = new UnavailableException(invocation.getURI());


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());
      return null;
    }


    WebAppController appController = getWebAppController(invocation);


    if (appController == null) {
      String url = invocation.getURI();


      FileNotFoundException e = new FileNotFoundException(url);


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());
      return null;
    }


    WebApp webApp = appController.subrequest();


    if (webApp == null) {
      UnavailableException e;
      e = new UnavailableException(invocation.getURI());


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());
      return null;
    }

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    thread.setContextClassLoader(getClassLoader());
    try {
      FilterChain chain = null;


      if (_configException != null) {
        chain = new ExceptionFilterChain(_configException);
        invocation.setFilterChain(chain);
        invocation.setDependency(AlwaysModified.create());


        return invocation;
      }
      else if (! _lifecycle.waitForActive(_activeWaitTime)) {
        if (log.isLoggable(Level.FINE))
          log.fine(this + " returned 503 busy for '" + invocation.getRawURI() + "'");
        int code = HttpServletResponse.SC_SERVICE_UNAVAILABLE;
        chain = new ErrorFilterChain(code);
        invocation.setFilterChain(chain);
        invocation.setDependency(AlwaysModified.create());


        return invocation;
      }
      else {
        FilterChainEntry entry = null;


        // jsp/1910 - can't cache jsp_precompile
        String query = invocation.getQueryString();


        boolean isCache = true;
        if (query != null && query.indexOf("jsp_precompile") >= 0)
          isCache = false;
        else if (_requestRewriteDispatch != null)
          isCache = false;


        if (isCache)
          entry = _filterChainCache.get(invocation.getContextURI());


        if (entry != null && ! entry.isModified()) {
          chain = entry.getFilterChain();
          invocation.setServletName(entry.getServletName());


          if (! entry.isAsyncSupported())
            invocation.clearAsyncSupported();


          invocation.setMultipartConfig(entry.getMultipartConfig());
        } else {
          chain = _servletMapper.mapServlet(invocation);
          
          // server/13s[o-r]
          _filterMapper.buildDispatchChain(invocation, chain);
          chain = invocation.getFilterChain();


          chain = applyWelcomeFile(DispatcherType.REQUEST, invocation, chain);


          if (_requestRewriteDispatch != null) {
            FilterChain newChain
              = _requestRewriteDispatch.map(DispatcherType.REQUEST,
                                            invocation.getContextURI(),
                                            invocation.getQueryString(),
                                            chain);


            chain = newChain;
          }


                    /*
          // server/13s[o-r]
          // _filterMapper.buildDispatchChain(invocation, chain);
          chain = invocation.getFilterChain();
           */
          
          entry = new FilterChainEntry(chain, invocation);
          chain = entry.getFilterChain();


          if (isCache)
            _filterChainCache.put(invocation.getContextURI(), entry);
        }
        
        chain = buildSecurity(chain, invocation);


        chain = createWebAppFilterChain(chain, invocation, true);


        invocation.setFilterChain(chain);
        invocation.setPathInfo(entry.getPathInfo());
        invocation.setServletPath(entry.getServletPath());
      }


      if (_oldWebApp != null
          && Alarm.getCurrentTime() < _oldWebAppExpireTime) {
        Invocation oldInvocation = new Invocation();
        oldInvocation.copyFrom(invocation);
        oldInvocation.setWebApp(_oldWebApp);


        _oldWebApp.buildInvocation(oldInvocation);


        invocation = new VersionInvocation(invocation, this,
                                           oldInvocation,
                                           oldInvocation.getWebApp(),
                                           _oldWebAppExpireTime);
      }


      return invocation;
    } catch (Throwable e) {
      log.log(Level.WARNING, e.toString(), e);


      FilterChain chain = new ExceptionFilterChain(e);
      chain = new WebAppFilterChain(chain, this);
      invocation.setDependency(AlwaysModified.create());
      invocation.setFilterChain(chain);


      return invocation;

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    thread.setContextClassLoader(getClassLoader());
    try {
      FilterChain chain;


      if (_configException != null) {
        chain = new ExceptionFilterChain(_configException);
        invocation.setDependency(AlwaysModified.create());
      }
      else if (! _lifecycle.waitForActive(_activeWaitTime)) {
        Exception exn = new UnavailableException(L.l("'{0}' is not currently available.",
                                                     getContextPath()));
        chain = new ExceptionFilterChain(exn);
        invocation.setDependency(AlwaysModified.create());
      }
      else {
        chain = _servletMapper.mapServlet(invocation);
        chain = filterMapper.buildDispatchChain(invocation, chain);
        
        if (filterMapper == _includeFilterMapper) {
          chain = applyWelcomeFile(DispatcherType.INCLUDE, invocation, chain);
          
          if (_includeRewriteDispatch != null) {
            chain = _includeRewriteDispatch.map(DispatcherType.INCLUDE,
                                                invocation.getContextURI(),
                                                invocation.getQueryString(),
                                                chain);
          }
        }
        else if (filterMapper == _forwardFilterMapper) {
          chain = applyWelcomeFile(DispatcherType.FORWARD, invocation, chain);
          
          if (_forwardRewriteDispatch != null) {
            chain = _forwardRewriteDispatch.map(DispatcherType.FORWARD,
                                                invocation.getContextURI(),
                                                invocation.getQueryString(),
                                                chain);
          }
        }


        /* server/10gw - #3111 */
        /*
        if (getRequestListeners().length > 0)
          chain = new DispatchFilterChain(chain, this); // invocation);
        */


        if (_cache != null && filterMapper == _includeFilterMapper) {
          chain = _cache.createFilterChain(chain, this);
        }
      }


      invocation.setFilterChain(chain);
    } catch (Exception e) {
      log.log(Level.FINE, e.toString(), e);


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
    } finally {
      thread.setContextClassLoader(oldLoader);
    }
  }

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      thread.setContextClassLoader(getClassLoader());


      if (_configException == null)
        return _webAppContainer.buildInvocation(invocation);
      else {
        invocation.setFilterChain(new ExceptionFilterChain(_configException));
        invocation.setDependency(AlwaysModified.create());


        return invocation;
      }
    } finally {

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   */
  public Invocation buildInvocation(Invocation invocation)
    throws ConfigException
  {
    if (_configException != null) {
      invocation.setFilterChain(new ExceptionFilterChain(_configException));
      invocation.setWebApp(getErrorWebApp());
      invocation.setDependency(AlwaysModified.create());


      return invocation;
    }

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   */
  public Invocation buildInvocation(Invocation invocation)
    throws ConfigException
  {
    if (_configException != null) {
      FilterChain chain = new ExceptionFilterChain(_configException);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());


      return invocation;
    }

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  {
    if (! _lifecycle.waitForActive(_startWaitTime)) {
      UnavailableException e;
      e = new UnavailableException(invocation.getURI());


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());
      return null;
    }


    WebAppController appController = getWebAppController(invocation);


    if (appController == null) {
      String url = invocation.getURI();


      FileNotFoundException e = new FileNotFoundException(url);


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());
      return null;
    }


    WebApp app = appController.subrequest();


    if (app == null) {
      UnavailableException e;
      e = new UnavailableException(invocation.getURI());


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());
      return null;
    }

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      thread.setContextClassLoader(getClassLoader());


      if (_configException == null)
        return super.buildInvocation(invocation);
      else {
        invocation.setFilterChain(new ExceptionFilterChain(_configException));
        invocation.setDependency(AlwaysModified.create());


        return invocation;
      }
    } finally {

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com.caucho.server.cluster.Server

com.caucho.server.host.Host

com.caucho.server.webapp.WebApp

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javax.servlet.ServletException

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