@Override public ViewOutput render(Object view, ViewTemplateLoader templateLoader) { ViewMap viewMap = null; if (view instanceof ViewMap) { viewMap = (ViewMap) view; } else if (view != null) { viewMap = new ViewMap(view); } if (viewMap != null) { Object delegateView = viewMap.get(DELEGATE_VIEW_KEY); if (delegateView != null) { ViewRenderer delegateViewRenderer = ViewRenderer.createRenderer(delegateView); if (delegateViewRenderer != null) { return delegateViewRenderer.render(delegateView, templateLoader); } } } return () -> null; }
/** * Called by the view. It displays the recipie given. * * @param recipe */ public void displayRecipe(Recipe recipe) { view.render(recipe); }
private void loadRecipiesList() { view.render(recipeUseCases.getRecipes()); }
@Override protected void doExecute(String finalLocation, ActionInvocation invocation) throws Exception { if (LOG.isDebugEnabled()) { LOG.debug("In doExecute. finalLocation: " + finalLocation + ", renderer: " + renderer); } OutputStream os = null; try { final ActionContext actionContext = invocation.getInvocationContext(); final HttpServletRequest request = (HttpServletRequest) actionContext.get(HTTP_REQUEST); final HttpServletResponse response = (HttpServletResponse) actionContext.get(HTTP_RESPONSE); final SimpleServletResponseWrapper responseWrapper = new SimpleServletResponseWrapper(response); final ServletContext servletContext = (ServletContext) actionContext.get(SERVLET_CONTEXT); ViewRenderer viewRenderer; if (renderer == null) { viewRenderer = container.getInstance(ViewRenderer.class); } else { viewRenderer = container.getInstance(ViewRenderer.class, renderer); } if (viewRenderer == null) { final String err = "Cannot get an instance of ViewRenderer with the name '" + renderer + "'."; LOG.error(err); throw new AssertionError(err); } // render view viewRenderer.render( finalLocation, request, responseWrapper, servletContext, actionContext.getLocale(), invocation.getStack(), invocation.getAction()); // Set the content type response.setContentType(PDF_MIME_TYPE); // Set the content-disposition if (contentDisposition != null) { response.addHeader("Content-Disposition", conditionalParse(contentDisposition, invocation)); } // Set the cache control headers if necessary if (!allowCaching) { response.addHeader("Pragma", "no-cache"); response.addHeader("Cache-Control", "no-cache"); } if (LOG.isTraceEnabled()) { LOG.trace("Content before parsing:\n" + responseWrapper.toString()); } // parse response wrapper final Document document = parseContent(responseWrapper.toString()); final Element head = document.head(); // add CSS from cssPathsSet parameter if (cssPathsSet != null && !cssPathsSet.isEmpty()) { for (String css : cssPathsSet) { // remove leading slash if (css.startsWith("\\")) { css = css.substring(1); } head.append("<link rel=\"stylesheet\" type=\"text/css\" href=\"" + css + "\" />"); } } // add style for font family that supports unicode head.append(FONT_STYLE_TAG); final String content = document.html(); if (LOG.isTraceEnabled()) { LOG.trace("Content after parsing:\n" + content); } // put pdf stream into response createPdfStream(content, findBaseUrl(request), response.getOutputStream()); } finally { if (os != null) { os.close(); } } }