示例#1
0
  public void render(FacesContext context) throws FacesException {
    if (context.getResponseComplete()) return;

    Application app = context.getApplication();
    ViewHandler view = app.getViewHandler();

    beforePhase(context, PhaseId.RENDER_RESPONSE);

    try {
      if (log.isLoggable(Level.FINER)) log.finer(context.getViewRoot() + " before render view");

      view.renderView(context, context.getViewRoot());
    } catch (java.io.IOException e) {
      if (sendError(context, "renderView", e)) return;

      throw new FacesException(e);
    } catch (RuntimeException e) {
      if (sendError(context, "renderView", e)) return;

      throw e;
    } finally {
      afterPhase(context, PhaseId.RENDER_RESPONSE);

      logMessages(context);
    }
  }
示例#2
0
  private void restoreView(FacesContext context) throws FacesException {
    Application app = context.getApplication();

    if (app instanceof ApplicationImpl) ((ApplicationImpl) app).initRequest();

    ViewHandler view = app.getViewHandler();

    view.initView(context);

    UIViewRoot viewRoot = context.getViewRoot();

    if (viewRoot != null) {
      ExternalContext extContext = context.getExternalContext();

      viewRoot.setLocale(extContext.getRequestLocale());

      doSetBindings(context.getELContext(), viewRoot);

      return;
    }

    String viewId = calculateViewId(context);

    String renderKitId = view.calculateRenderKitId(context);

    RenderKitFactory renderKitFactory =
        (RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);

    RenderKit renderKit = renderKitFactory.getRenderKit(context, renderKitId);

    ResponseStateManager stateManager = renderKit.getResponseStateManager();

    if (stateManager.isPostback(context)) {
      viewRoot = view.restoreView(context, viewId);

      if (viewRoot != null) {
        doSetBindings(context.getELContext(), viewRoot);
      } else {
        // XXX: backward compat issues with ViewHandler and StateManager

        // throw new ViewExpiredException(L.l("{0} is an expired view", viewId));

        context.renderResponse();

        viewRoot = view.createView(context, viewId);

        context.setViewRoot(viewRoot);
      }

      context.setViewRoot(viewRoot);
    } else {
      context.renderResponse();

      viewRoot = view.createView(context, viewId);

      context.setViewRoot(viewRoot);
    }
  }
示例#3
0
文件: GMS.java 项目: jtoerber/JGroups
  @SuppressWarnings("unchecked")
  public Object up(Event evt) {
    switch (evt.getType()) {
      case Event.MSG:
        Message msg = (Message) evt.getArg();
        GmsHeader hdr = (GmsHeader) msg.getHeader(this.id);
        if (hdr == null) break;
        switch (hdr.type) {
          case GmsHeader.JOIN_REQ:
            view_handler.add(
                new Request(Request.JOIN, hdr.mbr, false, null, hdr.useFlushIfPresent));
            break;
          case GmsHeader.JOIN_REQ_WITH_STATE_TRANSFER:
            view_handler.add(
                new Request(
                    Request.JOIN_WITH_STATE_TRANSFER, hdr.mbr, false, null, hdr.useFlushIfPresent));
            break;
          case GmsHeader.JOIN_RSP:
            impl.handleJoinResponse(hdr.join_rsp);
            break;
          case GmsHeader.LEAVE_REQ:
            if (hdr.mbr == null) return null;
            view_handler.add(new Request(Request.LEAVE, hdr.mbr, false));
            break;
          case GmsHeader.LEAVE_RSP:
            impl.handleLeaveResponse();
            break;
          case GmsHeader.VIEW:
            View new_view = hdr.view;
            if (new_view == null) return null;

            Address coord = msg.getSrc();
            if (!new_view.containsMember(coord)) {
              sendViewAck(
                  coord); // we need to send the ack first, otherwise the connection is removed
              impl.handleViewChange(new_view, hdr.my_digest);
            } else {
              impl.handleViewChange(new_view, hdr.my_digest);
              sendViewAck(coord); // send VIEW_ACK to sender of view
            }
            break;

          case GmsHeader.VIEW_ACK:
            Address sender = msg.getSrc();
            ack_collector.ack(sender);
            return null; // don't pass further up

          case GmsHeader.MERGE_REQ:
            impl.handleMergeRequest(msg.getSrc(), hdr.merge_id, hdr.mbrs);
            break;

          case GmsHeader.MERGE_RSP:
            MergeData merge_data =
                new MergeData(msg.getSrc(), hdr.view, hdr.my_digest, hdr.merge_rejected);
            if (log.isTraceEnabled()) {
              log.trace(
                  local_addr
                      + ": got merge response from "
                      + msg.getSrc()
                      + ", merge_id="
                      + hdr.merge_id
                      + ", merge data is "
                      + merge_data);
            }
            impl.handleMergeResponse(merge_data, hdr.merge_id);
            break;

          case GmsHeader.INSTALL_MERGE_VIEW:
            impl.handleMergeView(
                new MergeData(msg.getSrc(), hdr.view, hdr.my_digest), hdr.merge_id);
            break;

          case GmsHeader.INSTALL_DIGEST:
            Digest tmp = hdr.my_digest;
            down_prot.down(new Event(Event.MERGE_DIGEST, tmp));
            break;

          case GmsHeader.INSTALL_MERGE_VIEW_OK:
            // [JGRP-700] - FLUSH: flushing should span merge
            merge_ack_collector.ack(msg.getSrc());
            break;

          case GmsHeader.CANCEL_MERGE:
            // [JGRP-524] - FLUSH and merge: flush doesn't wrap entire merge process
            impl.handleMergeCancelled(hdr.merge_id);
            break;

          case GmsHeader.GET_DIGEST_REQ:
            // only handle this request if it was sent by the coordinator (or at least a member) of
            // the current cluster
            synchronized (members) {
              if (!members.contains(msg.getSrc())) break;
            }

            // discard my own request:
            if (msg.getSrc().equals(local_addr)) return null;

            if (hdr.merge_id != null
                && !(merger.matchMergeId(hdr.merge_id) || merger.setMergeId(null, hdr.merge_id)))
              return null;

            // fetch only my own digest
            Digest digest = (Digest) down_prot.down(new Event(Event.GET_DIGEST, local_addr));
            if (digest != null) {
              GmsHeader rsp_hdr = new GmsHeader(GmsHeader.GET_DIGEST_RSP);
              rsp_hdr.my_digest = digest;
              Message get_digest_rsp = new Message(msg.getSrc(), null, null);
              get_digest_rsp.setFlag(Message.OOB);
              get_digest_rsp.putHeader(this.id, rsp_hdr);
              down_prot.down(new Event(Event.MSG, get_digest_rsp));
            }
            break;

          case GmsHeader.GET_DIGEST_RSP:
            Digest digest_rsp = hdr.my_digest;
            impl.handleDigestResponse(msg.getSrc(), digest_rsp);
            break;

          default:
            if (log.isErrorEnabled()) log.error("GmsHeader with type=" + hdr.type + " not known");
        }
        return null; // don't pass up

      case Event.SUSPECT:
        Object retval = up_prot.up(evt);
        Address suspected = (Address) evt.getArg();
        view_handler.add(new Request(Request.SUSPECT, suspected, true));
        ack_collector.suspect(suspected);
        merge_ack_collector.suspect(suspected);
        return retval;

      case Event.UNSUSPECT:
        impl.unsuspect((Address) evt.getArg());
        return null; // discard

      case Event.MERGE:
        view_handler.add(
            new Request(Request.MERGE, null, false, (Map<Address, View>) evt.getArg()));
        return null; // don't pass up

      case Event.IS_MERGE_IN_PROGRESS:
        return merger.isMergeInProgress();
    }
    return up_prot.up(evt);
  }
示例#4
0
文件: GMS.java 项目: jtoerber/JGroups
 public void stop() {
   view_handler.stop(true);
   if (impl != null) impl.stop();
   if (prev_members != null) prev_members.clear();
 }
示例#5
0
文件: GMS.java 项目: jtoerber/JGroups
 @ManagedOperation
 public void resumeViewHandler() {
   view_handler.resumeForce();
 }
示例#6
0
文件: GMS.java 项目: jtoerber/JGroups
 @ManagedOperation
 public void suspendViewHandler() {
   view_handler.suspend();
 }
示例#7
0
文件: GMS.java 项目: jtoerber/JGroups
 @ManagedOperation
 public String dumpViewHandlerHistory() {
   return view_handler.dumpHistory();
 }
示例#8
0
文件: GMS.java 项目: jtoerber/JGroups
 @ManagedOperation
 public String dumpViewHandlerQueue() {
   return view_handler.dumpQueue();
 }
示例#9
0
文件: GMS.java 项目: jtoerber/JGroups
 @ManagedAttribute
 public boolean isViewHandlerSuspended() {
   return view_handler.suspended();
 }
示例#10
0
文件: GMS.java 项目: jtoerber/JGroups
 @ManagedAttribute
 public int getViewHandlerSize() {
   return view_handler.size();
 }
示例#11
0
  private boolean sendError(FacesContext context, String lifecycle, Exception e) {
    for (Throwable cause = e; cause != null; cause = cause.getCause()) {
      if (cause instanceof DisplayableException) {
        if (e instanceof RuntimeException) throw (RuntimeException) e;
        else throw new FacesException(e);
      } else if (cause instanceof ServletException) throw new FacesException(e);
      else if (cause instanceof JspException) throw new FacesException(e);
    }

    ExternalContext extContext = context.getExternalContext();
    Object response = extContext.getResponse();

    if (!(response instanceof HttpServletResponse)) {
      context.renderResponse();

      if (e instanceof RuntimeException) throw (RuntimeException) e;
      else throw new RuntimeException(e);
    }

    log.log(Level.WARNING, e.toString(), e);

    HttpServletResponse res = (HttpServletResponse) response;

    try {
      context.renderResponse();
      context.responseComplete();

      res.setStatus(500, "JSF Exception");
      res.setContentType("text/html");

      PrintWriter out = res.getWriter();

      out.println("<body>");

      out.println("<h3>JSF exception detected in " + lifecycle + " phase</h3>");

      String msg = e.getMessage();
      out.println("<span style='color:red;font:bold'>" + Html.escapeHtml(msg) + "</span><br/>");

      out.println("<h3>Context: " + context.getViewRoot() + "</h3>");
      out.println("<code><pre>");

      String errorId = null;

      if (e instanceof FacesException && msg.startsWith("id=")) {
        int p = msg.indexOf(' ');
        errorId = msg.substring(3, p);
      }

      printComponentTree(out, errorId, context, context.getViewRoot(), 0);

      out.println("</pre></code>");

      if (!Alarm.isTest()) {
        out.println("<h3>Stack Trace</h3>");
        out.println("<pre>");
        if (e.getCause() != null) e.getCause().printStackTrace(out);
        else e.printStackTrace(out);
        out.println("</pre>");
      }

      out.println("</body>");

      // clear, so we don't just loop
      Application app = context.getApplication();

      ViewHandler view = app.getViewHandler();

      UIViewRoot viewRoot = context.getViewRoot();

      viewRoot = view.createView(context, viewRoot.getViewId());

      context.setViewRoot(viewRoot);

      // view.writeState(context); // XXX: no need to output state, but review.

      return true;
    } catch (IOException e1) {
      throw new RuntimeException(e);
    }
  }