Examples of javax.faces.application.StateManager

javax.faces.application.StateManager

StateManager directs the process of saving and restoring the view between requests. The {@link StateManager}instance for an application is retrieved from the {@link Application}instance, and thus cannot know any details of the markup language created by the {@link RenderKit} being used to render a view. The{@link StateManager} utilizes a helper object ({@link ResponseStateManager}), that is provided by the {@link RenderKit}implementation and is therefore aware of the markup language details.

        }


        public void flushToWriter(Writer writer) throws IOException
        {
            FacesContext facesContext = FacesContext.getCurrentInstance();
            StateManager stateManager = facesContext.getApplication().getStateManager();


            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();
            String state = stateWriter.getBuffer().toString();

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      }
  
      ResponseWriter oldResponseWriter = responseWriter;
      StringWriter stateAwareWriter = null;
      
      StateManager stateManager = context.getApplication().getStateManager();
      if (stateManager.isSavingStateInClient(context))
      {
          stateAwareWriter = new StringWriter();
  
          // Create a new response-writer using as an underlying writer the stateAwareWriter
          // Effectively, all output will be buffered in the stateAwareWriter so that later
          // this writer can replace the state-markers with the actual state.
          responseWriter = oldResponseWriter.cloneWithWriter(stateAwareWriter);
          context.setResponseWriter(responseWriter);
      }
  
      actuallyRenderView(context, view);
      
      if(oldResponseWriter != null)
      {
          context.setResponseWriter(oldResponseWriter);    
      }
  
      // We're done with the document - now we can write all content
      // to the response, properly replacing the state-markers on the way out
      // by using the stateAwareWriter
      if (stateManager.isSavingStateInClient(context))
      {
          flushBufferToWriter(stateAwareWriter.getBuffer(), externalContext.getResponseOutputWriter());
      }
      else
      {
          stateManager.saveView(context);
      }
      
      // now disable the ResponseSwitch again
      if (responseSwitch != null)
      {

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  }
  
  protected void flushBufferToWriter(StringBuffer buff, Writer writer) throws IOException
  {
    FacesContext facesContext = FacesContext.getCurrentInstance();
    StateManager stateManager = facesContext.getApplication().getStateManager();


    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);


    String state = stateWriter.getBuffer().toString();


    ExternalContext extContext = facesContext.getExternalContext();

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            if (structureAndState.length == 2)
            {
                Object structureObj = structureAndState[0];
                Object stateObj = structureAndState[1];


                StateManager stateManager = context.getApplication().getStateManager();
                view = stateManager.new SerializedView(structureObj, stateObj);
            }
            else
            {
                throw new IOException("The state should be an array of Object[] of lenght 2");

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    }


    ResponseWriter oldResponseWriter = responseWriter;
    StateMarkerAwareWriter stateAwareWriter = null;


    StateManager stateManager = facesContext.getApplication().getStateManager();
    if (stateManager.isSavingStateInClient(facesContext))
    {
      stateAwareWriter = new StateMarkerAwareWriter();


      // Create a new response-writer using as an underlying writer the stateAwareWriter
      // Effectively, all output will be buffered in the stateAwareWriter so that later
      // this writer can replace the state-markers with the actual state.
      responseWriter = hookInStateAwareWriter(
          oldResponseWriter, stateAwareWriter, renderKit, externalContext);
      facesContext.setResponseWriter(responseWriter);
    }


    actuallyRenderView(facesContext, viewToRender);


    facesContext.setResponseWriter(oldResponseWriter);


    //We're done with the document - now we can write all content
        //to the response, properly replacing the state-markers on the way out
        //by using the stateAwareWriter
    if (stateManager.isSavingStateInClient(facesContext))
    {
      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
        ViewResponseWrapper afterViewTagResponse = (ViewResponseWrapper) externalContext.getRequestMap().get(

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     * @param facesContext
     * @throws IOException
     */
    public void writeState(FacesContext facesContext) throws IOException
    {
    StateManager stateManager = facesContext.getApplication().getStateManager();
    if (stateManager.isSavingStateInClient(facesContext))
    {
        // Only write state marker if javascript view state is disabled
      ExternalContext extContext = facesContext.getExternalContext();
        if (!(JavascriptUtils.isJavascriptAllowed(extContext) && MyfacesConfig.getCurrentInstance(extContext).isViewStateJavascript())) {
          facesContext.getResponseWriter().write(FORM_STATE_MARKER);
        }
    }
    else
    {
      stateManager.writeState(facesContext, new Object[2]);
    }
  }

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    }


        public void flushToWriter(Writer writer) throws IOException
        {
            FacesContext facesContext = FacesContext.getCurrentInstance();
            StateManager stateManager = facesContext.getApplication().getStateManager();


            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();
            String state = stateWriter.getBuffer().toString();

View Full Code Here

        }


        public void flushToWriter(Writer writer) throws IOException
        {
            FacesContext facesContext = FacesContext.getCurrentInstance();
            StateManager stateManager = facesContext.getApplication().getStateManager();


            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);


            StringBuffer contentBuffer = getBuffer();
            StringBuffer state = stateWriter.getBuffer();

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                if (structureAndState.length == 2)
                {
                    Object structureObj = structureAndState[0];
                    Object stateObj = structureAndState[1];


                    StateManager stateManager = context.getApplication().getStateManager();
                    view = stateManager.new SerializedView(structureObj, stateObj);
                }
                else
                {
                    throw new IOException("The state should be an array of Object[] of lenght 2");

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            addChildParametersToHref(component, hrefBuf,
                                     false, //not the first url parameter
                                     writer.getCharacterEncoding());
        }


        StateManager stateManager = facesContext.getApplication().getStateManager();
        hrefBuf.append("&");
        if (stateManager.isSavingStateInClient(facesContext))
        {
            hrefBuf.append(URL_STATE_MARKER);
        }
        else
        {

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com.sun.faces.application.TestApplicationImpl

com.sun.faces.application.TestApplicationImpl_Config

com.sun.faces.application.TestHAStateManagerImpl

com.sun.faces.application.TestViewHandlerImpl

com.sun.faces.application.view.FaceletViewHandlingStrategy

com.sun.faces.application.view.WriteBehindStateWriter

com.sun.faces.application.ViewHandlerImpl$WriteBehindStateWriter

com.sun.faces.renderkit.ResponseStateManagerImpl

com.sun.faces.systest.render.CustomResponseStateManagerImpl

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