Examples with StandardCompress freemarker.template.utility.StandardCompress used on opensource projects

Example 1 with StandardCompress

use of freemarker.template.utility.StandardCompress in project ofbiz-framework by apache.

the class MacroScreenViewHandler method render.

public void render(String name, String page, String info, String contentType, String encoding, HttpServletRequest request, HttpServletResponse response) throws ViewHandlerException {
    try {
        Writer writer = response.getWriter();
        VisualTheme visualTheme = UtilHttp.getVisualTheme(request);
        ModelTheme modelTheme = visualTheme.getModelTheme();
        Delegator delegator = (Delegator) request.getAttribute("delegator");
        // compress output if configured to do so
        if (UtilValidate.isEmpty(encoding)) {
            encoding = modelTheme.getEncoding(getName());
        }
        boolean compressOutput = "compressed".equals(encoding);
        if (!compressOutput) {
            compressOutput = "true".equals(modelTheme.getCompress(getName()));
        }
        if (!compressOutput && this.servletContext != null) {
            compressOutput = "true".equals(this.servletContext.getAttribute("compressHTML"));
        }
        if (compressOutput) {
            // StandardCompress defaults to a 2k buffer. That could be increased
            // to speed up output.
            writer = new StandardCompress().getWriter(writer, null);
        }
        MapStack<String> context = MapStack.create();
        ScreenRenderer.populateContextForRequest(context, null, request, response, servletContext);
        ScreenStringRenderer screenStringRenderer = loadRenderers(request, response, context, writer);
        ScreenRenderer screens = new ScreenRenderer(writer, context, screenStringRenderer);
        context.put("screens", screens);
        context.put("simpleEncoder", UtilCodec.getEncoder(visualTheme.getModelTheme().getEncoder(getName())));
        screenStringRenderer.renderScreenBegin(writer, context);
        screens.render(page);
        screenStringRenderer.renderScreenEnd(writer, context);
        writer.flush();
    } catch (TemplateException e) {
        Debug.logError(e, "Error initializing screen renderer", module);
        throw new ViewHandlerException(e.getMessage());
    } catch (IOException e) {
        throw new ViewHandlerException("Error in the response writer/output stream: " + e.toString(), e);
    } catch (SAXException | ParserConfigurationException e) {
        throw new ViewHandlerException("XML Error rendering page: " + e.toString(), e);
    } catch (GeneralException e) {
        throw new ViewHandlerException("Lower level error rendering page: " + e.toString(), e);
    }
}