Beispiel #1
0
 /**
  * I think in the basic framework this method is never called explicitely, because processing is
  * done implicitly by the render
  */
 @Override
 public void process(
     Processor processor, Parameters blockParameters, Parameters frameworkParameters)
     throws FrameworkException {
   HttpServletRequest request = frameworkParameters.get(Parameter.REQUEST);
   State state = State.getState(request);
   state.startBlock(frameworkParameters, null);
   setBlockParametersForProcess(state, blockParameters);
   processor.process(blockParameters);
 }
Beispiel #2
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 @Override
 public Block getRenderingBlock(Parameters frameworkParameters) {
   HttpServletRequest request = frameworkParameters.get(Parameter.REQUEST);
   State state = State.getState(request);
   if (state.isRendering()) {
     return state.getBlock();
   } else {
     return null;
   }
 }
Beispiel #3
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 @Override
 public String getProcessUrl(
     String path, Map<String, ?> parameters, Parameters frameworkParameters, boolean escapeAmps)
     throws FrameworkException {
   HttpServletRequest request =
       BasicUrlConverter.getUserRequest(frameworkParameters.get(Parameter.REQUEST));
   State state = State.getState(request);
   frameworkParameters.set(ACTION, state.getId());
   Url url = urlConverter.getProcessUrl(path, parameters, frameworkParameters, escapeAmps);
   if (url == Url.NOT) {
     log.debug("Fall back url");
     return fallbackConverter
         .getProcessUrl(path, parameters, frameworkParameters, escapeAmps)
         .getUrl();
   } else {
     log.debug("Url converter url " + url);
     return url.getUrl();
   }
 }
Beispiel #4
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 @SuppressWarnings("unchecked")
 protected void setBlockParametersForRender(State state, Parameters blockParameters) {
   ServletRequest request = state.getRequest();
   String prefix = getPrefix(state);
   log.debug("prefix " + prefix);
   blockParameters.setAutoCasting(true);
   for (Map.Entry<String, String[]> entry :
       ((Map<String, String[]>) request.getParameterMap()).entrySet()) {
     String key = entry.getKey();
     if (key.startsWith(prefix)) {
       log.trace("setting" + entry);
       blockParameters.setIfDefined(key.substring(prefix.length()), entry.getValue());
     }
   }
   if (log.isDebugEnabled()) {
     log.debug("Set " + blockParameters);
   }
 }
Beispiel #5
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 protected String getPrefix(final State state) {
   // return "_" + renderer.getBlock().getComponent().getName() + "_" +
   // renderer.getBlock().getName() + "_" + count + "_";
   return state.getId() + ":";
 }
Beispiel #6
0
  /**
   * Basic Framework implicitely also processes, i'm not sure if we should require any framework to
   * do that (perhaps we could say, that the render method must process, if that is necessary, and
   * not yet done).
   */
  @Override
  public void render(
      Renderer renderer,
      Parameters blockParameters,
      Parameters frameworkParameters,
      Writer w,
      WindowState windowState)
      throws FrameworkException {
    ServletRequest request = frameworkParameters.get(Parameter.REQUEST);
    if (request == null) {
      throw new IllegalArgumentException("No request object given");
    }

    State state = State.getState(request);
    if (state
        .isRendering()) { // mm:component used during rending of a component, that's fine, but use a
                          // new State.
      state = new State(request);
      log.debug("Alreadying rendering, taking a new state for sub-block-rendering: " + state);
    }

    log.debug("Rendering " + renderer.getBlock() + " " + renderer);
    Object prevHints = request.getAttribute(RenderHints.KEY);
    try {

      request.setAttribute(COMPONENT_CLASS_KEY, getComponentClass());
      request.setAttribute(COMPONENT_CURRENTUSER_KEY, getUserNode(frameworkParameters));

      Renderer actualRenderer = state.startBlock(frameworkParameters, renderer);
      if (!actualRenderer.equals(renderer)) {
        Parameters newBlockParameters = actualRenderer.getBlock().createParameters();
        newBlockParameters.setAllIfDefined(blockParameters);
        blockParameters = newBlockParameters;
      }
      state.setAction(request.getParameter(ACTION.getName()));
      if (state.needsProcess()) {
        log.service("Performing action on " + actualRenderer.getBlock());
        Processor processor = actualRenderer.getBlock().getProcessor();
        state.process(processor);
        log.service("Processing " + actualRenderer.getBlock() + " " + processor);
        setBlockParametersForProcess(state, blockParameters);
        processor.process(blockParameters);
        state.endProcess();
      }

      state.render(actualRenderer);

      setBlockParametersForRender(state, blockParameters);

      RenderHints hints =
          new RenderHints(
              actualRenderer,
              windowState,
              state.getId(),
              getComponentClass(),
              RenderHints.Mode.NORMAL);
      request.setAttribute(RenderHints.KEY, hints);
      actualRenderer.render(blockParameters, w, hints);
      request.setAttribute("org.mmbase.framework.hints", hints);
    } catch (FrameworkException fe) {
      log.debug(fe);
      URI uri = renderer.getUri();
      Renderer error =
          new ErrorRenderer(
              renderer.getType(),
              renderer.getBlock(),
              (uri != null) ? uri.toString() : null,
              500,
              fe);
      RenderHints hints =
          new RenderHints(
              error, windowState, state.getId(), getComponentClass(), RenderHints.Mode.NORMAL);
      error.render(blockParameters, w, hints);
    } finally {
      request.setAttribute(RenderHints.KEY, prevHints);
      state.endBlock();
    }
  }
Beispiel #7
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 /** @todo */
 protected void setBlockParametersForProcess(State state, Parameters blockParameters) {
   ServletRequest request = state.getRequest();
   for (Map.Entry<String, ?> entry : blockParameters.toMap().entrySet()) {
     request.setAttribute(entry.getKey(), entry.getValue());
   }
 }