protected Map<String, Object> buildScope(Request request) {
Map<String, Object> scope = new HashMap<String, Object>();
List<String> availableScopes = request.getAvailableScopes();
for (int i = availableScopes.size() - 1; i >= 0; --i) {
scope.putAll(request.getContext(availableScopes.get(i)));
}
return scope;
}
@Override
public ViewPreparer getPreparer(String name, Request context) {
WebApplicationContext webApplicationContext =
(WebApplicationContext)
context.getContext("request").get(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (webApplicationContext == null) {
webApplicationContext =
(WebApplicationContext)
context
.getContext("application")
.get(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (webApplicationContext == null) {
throw new IllegalStateException(
"No WebApplicationContext found: no ContextLoaderListener registered?");
}
}
return getPreparer(name, webApplicationContext);
}
@Override
public void render(String templateName, Request request) throws IOException {
// Compile template after reading file from file system.
String templatePath =
new StringBuilder(prefix).append("/").append(templateName).append(suffix).toString();
if (!templateMap.containsKey(templateName))
templateMap.put(templateName, Handlebars.compile(getFileContent(templatePath)));
// Render template
Template compiledTemplate = templateMap.get(templateName);
compiledTemplate.apply(buildScope(request), request.getWriter());
}