Examples of javax.faces.application.StateManager.saveView()

Class javax.faces.application.StateManager

Examples of javax.faces.application.StateManager.saveView()

javax.faces.application.StateManager.saveView()

Return an opaque Object containing sufficient information for this same instance to restore the state of the current {@link UIViewRoot} on a subsequent request. The returnedobject must implement java.io.Serializable. If there is no state information to be saved, return null instead.

Components may opt out of being included in the serialized view by setting their transient property to true. This must cause the component itself, as well as all of that component's children and facets, to be omitted from the saved tree structure and component state information.

This method must also enforce the rule that, for components with non-null ids, all components that are descendants of the same nearest {@link NamingContainer} must have unique identifiers.

For backwards compatability with existing StateManager implementations, the default implementation of this method calls {@link #saveSerializedView}and creates and returns a two element Object array with element zero containing the structure property and element one containing the state property of the SerializedView.
@param context {@link FacesContext} for the current request @throws IllegalStateException if more than one component orfacet within the same {@link NamingContainer} in this view hasthe same non-null component id @since 1.2


                        // =-= markoc: STATE_KEY is in output ONLY if 
                        // stateManager.isSavingStateInClient(context)is true - see
                        // org.apache.myfaces.application.ViewHandlerImpl.writeState(FacesContext)
                        // TODO this class and ViewHandlerImpl contain same constant <!--@@JSF_FORM_STATE_MARKER@@-->
                        Object stateObj = stateMgr.saveView(context);
                        String content = stateWriter.getAndResetBuffer();
                        int end = content.indexOf(STATE_KEY);
                        // See if we can find any trace of the saved state.
                        // If so, we need to perform token replacement
                        if (end >= 0)

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                    }
                    else if (stateWriter.isStateWrittenWithoutWrapper())
                    {
                        // The state token has been written but the state has not been
                        // saved yet.
                        stateMgr.saveView(context);
                    }
                    else
                    {
                        // GET case without any form that trigger state saving.
                        // Try to store it into cache.

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                        // =-= markoc: STATE_KEY is in output ONLY if 
                        // stateManager.isSavingStateInClient(context)is true - see
                        // org.apache.myfaces.application.ViewHandlerImpl.writeState(FacesContext)
                        // TODO this class and ViewHandlerImpl contain same constant <!--@@JSF_FORM_STATE_MARKER@@-->
                        Object stateObj = stateMgr.saveView(context);
                        String content = stateWriter.getAndResetBuffer();
                        int end = content.indexOf(STATE_KEY);
                        // See if we can find any trace of the saved state.
                        // If so, we need to perform token replacement
                        if (end >= 0)

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                    }
                    else if (stateWriter.isStateWrittenWithoutWrapper())
                    {
                        // The state token has been written but the state has not been
                        // saved yet.
                        stateMgr.saveView(context);
                    }
                    else
                    {
                        // GET case without any form that trigger state saving.
                        // Try to store it into cache.

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    final ResponseWriter stateWriter = renderKit.createResponseWriter(getPrintWriter(facesContext), CONTENT_TYPE, null);
    facesContext.setResponseWriter(stateWriter);


    final StateManager stateManager = facesContext.getApplication().getStateManager();
    final Object serializedView = stateManager.saveView(facesContext);
    stateManager.writeState(facesContext, serializedView);
  }


  private static void ensureContentTypeHeader(
      final FacesContext facesContext, String charset, final String contentType) {

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      // TODO: Buffer?
      int pos = 0;
      
      // First we need to make sure we save the view
      StateManager stateManager = mContext.getApplication().getStateManager();
      Object stateToWrite = stateManager.saveView(mContext);
      
      // If we didn't find a savestate_field_marker don't search to replace for one.
      if (sSaveStateFieldMarker != null)
      {
        int markLen = sSaveStateFieldMarker.length();

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        {
            stateAwareWriter.flushToWriter(response.getWriter());
        }
        else
        {
            stateManager.saveView(facesContext);
        }


        // Final step - we output any content in the wrappedResponse response from above to the response,
        // removing the wrappedResponse response from the request, we don't need it anymore
        ServletViewResponseWrapper afterViewTagResponse = (ServletViewResponseWrapper) externalContext.getRequestMap().get(

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            StringWriter stateWriter = new StringWriter();
            ResponseWriter realWriter = facesContext.getResponseWriter();
            facesContext.setResponseWriter(realWriter.cloneWithWriter(stateWriter));


            Object serializedView = stateManager.saveView(facesContext);


            stateManager.writeState(facesContext, serializedView);
            facesContext.setResponseWriter(realWriter);


            StringBuilder contentBuffer = getStringBuilder();

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                        // =-= markoc: STATE_KEY is in output ONLY if 
                        // stateManager.isSavingStateInClient(context)is true - see
                        // org.apache.myfaces.application.ViewHandlerImpl.writeState(FacesContext)
                        // TODO this class and ViewHandlerImpl contain same constant <!--@@JSF_FORM_STATE_MARKER@@-->
                        Object stateObj = stateMgr.saveView(context);
                        String content = stateWriter.getAndResetBuffer();
                        int end = content.indexOf(STATE_KEY);
                        // See if we can find any trace of the saved state.
                        // If so, we need to perform token replacement
                        if (end >= 0)

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                    }
                    else if (stateWriter.isStateWrittenWithoutWrapper())
                    {
                        // The state token has been written but the state has not been
                        // saved yet.
                        stateMgr.saveView(context);
                    }
                }
                finally
                {
                    // The Facelets implementation must close the writer used to write the response

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