private boolean renderTemplate(
Object target, GroovyObject controller, GrailsWebRequest webRequest, Map argMap, Writer out) {
boolean renderView;
String templateName = argMap.get(ARGUMENT_TEMPLATE).toString();
String contextPath = getContextPath(webRequest, argMap);
String var = (String) argMap.get(ARGUMENT_VAR);
// get the template uri
String templateUri = GroovyPageUtils.getTemplateURI(controller, templateName);
// retrieve gsp engine
GroovyPagesTemplateEngine engine =
(GroovyPagesTemplateEngine)
webRequest.getApplicationContext().getBean(GroovyPagesTemplateEngine.BEAN_ID);
try {
Resource r = engine.getResourceForUri(contextPath + templateUri);
if (!r.exists()) {
r = engine.getResourceForUri(contextPath + "/grails-app/views/" + templateUri);
}
Template t = engine.createTemplate(r); // templateUri);
if (t == null) {
throw new ControllerExecutionException(
"Unable to load template for uri [" + templateUri + "]. Template not found.");
}
Map binding = new HashMap();
if (argMap.containsKey(ARGUMENT_BEAN)) {
Object bean = argMap.get(ARGUMENT_BEAN);
if (argMap.containsKey(ARGUMENT_MODEL)) {
Object modelObject = argMap.get(ARGUMENT_MODEL);
if (modelObject instanceof Map) binding.putAll((Map) modelObject);
}
renderTemplateForBean(t, binding, bean, var, out);
} else if (argMap.containsKey(ARGUMENT_COLLECTION)) {
Object colObject = argMap.get(ARGUMENT_COLLECTION);
if (argMap.containsKey(ARGUMENT_MODEL)) {
Object modelObject = argMap.get(ARGUMENT_MODEL);
if (modelObject instanceof Map) binding.putAll((Map) modelObject);
}
renderTemplateForCollection(t, binding, colObject, var, out);
} else if (argMap.containsKey(ARGUMENT_MODEL)) {
Object modelObject = argMap.get(ARGUMENT_MODEL);
renderTemplateForModel(t, modelObject, target, out);
} else {
Writable w = t.make(new BeanMap(target));
w.writeTo(out);
}
renderView = false;
} catch (GroovyRuntimeException gre) {
throw new ControllerExecutionException(
"Error rendering template [" + templateName + "]: " + gre.getMessage(), gre);
} catch (IOException ioex) {
throw new ControllerExecutionException(
"I/O error executing render method for arguments [" + argMap + "]: " + ioex.getMessage(),
ioex);
}
return renderView;
}
private void renderView(Map argMap, Object target, GroovyObject controller) {
String viewName = argMap.get(ARGUMENT_VIEW).toString();
Object modelObject = argMap.get(ARGUMENT_MODEL);
String viewUri = GroovyPageUtils.getNoSuffixViewURI((GroovyObject) target, viewName);
Map model;
if (modelObject instanceof Map) {
model = (Map) modelObject;
} else if (target instanceof GroovyObject) {
model = new BeanMap(target);
} else {
model = new HashMap();
}
controller.setProperty(
ControllerDynamicMethods.MODEL_AND_VIEW_PROPERTY, new ModelAndView(viewUri, model));
}