private boolean render(
FileInfo fileInfo,
Map<String, Object> model,
Request request,
HttpServletRequest servletRequest,
HttpServletResponse servletResponse,
Writer writer)
throws IOException {
servletResponse.setContentType("text/html");
String path = fileInfo.getPath();
File localFile = fileInfo.getFile();
if (model == null) {
model = new HashMap<String, Object>();
}
model.put("request", request);
model.put("servletRequest", servletRequest);
Template template;
try {
template = templateConfig.getTemplate(path);
} catch (IOException e) {
String msg = "problems getting template from path '" + path + "'";
logger.error(msg, e);
throw new IOException(msg, e);
}
try {
template.process(model, writer);
return true;
} catch (TemplateException e) {
String msg = "could not render template in " + localFile;
logger.error(msg, e);
throw new IOException(msg, e);
} finally {
// don't close it here
writer.flush();
}
}
@Override
public boolean renderResult(
Request request,
HttpServletRequest servletRequest,
HttpServletResponse response,
Object result)
throws IOException {
ModelView modelView;
FileInfo fileInfo;
if (result instanceof ModelView) {
modelView = (ModelView) result;
String view = modelView.getView();
if (view.startsWith("redirect:")) {
String dest = view.substring(9);
if (dest.startsWith("http:") || dest.startsWith("https:")) {
ResponseUtils.sendRedirect(response, dest);
} else {
ResponseUtils.sendRelativeRedirect(servletRequest, response, dest);
}
return true;
}
fileInfo = fileLocator.findFile(view);
if (fileInfo == null) {
logger.error("template not found in path '{}'", view);
return false;
}
} else if (result instanceof FileInfo) {
fileInfo = (FileInfo) result;
modelView = new ModelView(new HashMap<String, Object>(), fileInfo.getPath());
} else {
throw new IllegalArgumentException(
"Cannot render the result of type: " + result.getClass().getSimpleName());
}
render(fileInfo, modelView.getModel(), request, servletRequest, response, response.getWriter());
return true;
}