public Object invoke(Object target, String methodName, Object[] arguments) {
if (arguments.length == 0)
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
Map argMap = arguments[0] instanceof Map ? (Map) arguments[0] : Collections.EMPTY_MAP;
if (argMap.size() == 0) {
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
}
GrailsWebRequest webRequest =
(GrailsWebRequest) RequestContextHolder.currentRequestAttributes();
HttpServletRequest request = webRequest.getCurrentRequest();
HttpServletResponse response = webRequest.getCurrentResponse();
if (request.getAttribute(GRAILS_REDIRECT_ISSUED) != null) {
throw new CannotRedirectException(
"Cannot issue a redirect(..) here. A previous call to redirect(..) has already redirected the response.");
}
if (response.isCommitted()) {
throw new CannotRedirectException(
"Cannot issue a redirect(..) here. The response has already been committed either by another redirect or by directly writing to the response.");
}
Object actionRef = argMap.get(ARGUMENT_ACTION);
String controllerName = getControllerName(target, argMap);
Object id = argMap.get(ARGUMENT_ID);
String frag =
argMap.get(ARGUMENT_FRAGMENT) != null ? argMap.get(ARGUMENT_FRAGMENT).toString() : null;
Object uri = argMap.get(ARGUMENT_URI);
String url = argMap.containsKey(ARGUMENT_URL) ? argMap.get(ARGUMENT_URL).toString() : null;
Map params = (Map) argMap.get(ARGUMENT_PARAMS);
if (params == null) params = new HashMap();
Errors errors = (Errors) argMap.get(ARGUMENT_ERRORS);
GroovyObject controller = (GroovyObject) target;
// if there are errors add it to the list of errors
Errors controllerErrors =
(Errors) controller.getProperty(ControllerDynamicMethods.ERRORS_PROPERTY);
if (controllerErrors != null) {
controllerErrors.addAllErrors(errors);
} else {
controller.setProperty(ControllerDynamicMethods.ERRORS_PROPERTY, errors);
}
String actualUri;
GrailsApplicationAttributes attrs = webRequest.getAttributes();
if (uri != null) {
actualUri = attrs.getApplicationUri(request) + uri.toString();
} else if (url != null) {
actualUri = url;
} else {
String actionName = establishActionName(actionRef, target, webRequest);
controllerName = controllerName != null ? controllerName : webRequest.getControllerName();
if (LOG.isDebugEnabled()) {
LOG.debug(
"Dynamic method [redirect] looking up URL mapping for controller ["
+ controllerName
+ "] and action ["
+ actionName
+ "] and params ["
+ params
+ "] with ["
+ urlMappingsHolder
+ "]");
}
try {
if (id != null) params.put(ARGUMENT_ID, id);
UrlCreator urlMapping =
urlMappingsHolder.getReverseMapping(controllerName, actionName, params);
if (LOG.isDebugEnabled() && urlMapping == null) {
LOG.debug("Dynamic method [redirect] no URL mapping found for params [" + params + "]");
}
actualUri =
urlMapping.createURL(
controllerName, actionName, params, request.getCharacterEncoding(), frag);
if (LOG.isDebugEnabled()) {
LOG.debug("Dynamic method [redirect] mapped to URL [" + actualUri + "]");
}
} finally {
if (id != null) params.remove(ARGUMENT_ID);
}
}
return redirectResponse(actualUri, request, response);
}
public Object invoke(Object target, String methodName, Object[] arguments) {
if (arguments.length == 0)
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
GrailsWebRequest webRequest =
(GrailsWebRequest) RequestContextHolder.currentRequestAttributes();
GrailsApplication application = webRequest.getAttributes().getGrailsApplication();
HttpServletRequest request = webRequest.getCurrentRequest();
HttpServletResponse response = webRequest.getCurrentResponse();
boolean renderView = true;
GroovyObject controller = (GroovyObject) target;
if ((arguments[0] instanceof String) || (arguments[0] instanceof GString)) {
setContentType(response, TEXT_HTML, DEFAULT_ENCODING, true);
String text = arguments[0].toString();
renderView = renderText(text, response);
} else if (arguments[0] instanceof Closure) {
setContentType(response, TEXT_HTML, gspEncoding, true);
Closure closure = (Closure) arguments[arguments.length - 1];
renderView = renderMarkup(closure, response);
} else if (arguments[0] instanceof Map) {
Map argMap = (Map) arguments[0];
Writer out;
if (argMap.containsKey(ARGUMENT_CONTENT_TYPE) && argMap.containsKey(ARGUMENT_ENCODING)) {
String contentType = argMap.get(ARGUMENT_CONTENT_TYPE).toString();
String encoding = argMap.get(ARGUMENT_ENCODING).toString();
setContentType(response, contentType, encoding);
out = GSPResponseWriter.getInstance(response, BUFFER_SIZE);
} else if (argMap.containsKey(ARGUMENT_CONTENT_TYPE)) {
setContentType(response, argMap.get(ARGUMENT_CONTENT_TYPE).toString(), DEFAULT_ENCODING);
out = GSPResponseWriter.getInstance(response, BUFFER_SIZE);
} else {
setContentType(response, TEXT_HTML, DEFAULT_ENCODING, true);
out = GSPResponseWriter.getInstance(response, BUFFER_SIZE);
}
if (argMap.containsKey(ARGUMENT_STATUS)) {
Object statusObj = argMap.get(ARGUMENT_STATUS);
if (statusObj != null) {
try {
response.setStatus(Integer.parseInt(statusObj.toString()));
} catch (NumberFormatException e) {
throw new ControllerExecutionException(
"Argument [status] of method [render] must be a valid integer.");
}
}
}
webRequest.setOut(out);
if (arguments[arguments.length - 1] instanceof Closure) {
Closure callable = (Closure) arguments[arguments.length - 1];
if (BUILDER_TYPE_RICO.equals(argMap.get(ARGUMENT_BUILDER))) {
renderView = renderRico(callable, response);
} else if (BUILDER_TYPE_JSON.equals(argMap.get(ARGUMENT_BUILDER))
|| isJSONResponse(response)) {
renderView = renderJSON(callable, response);
} else {
renderView = renderMarkup(callable, response);
}
} else if (arguments[arguments.length - 1] instanceof String) {
String text = (String) arguments[arguments.length - 1];
renderView = renderText(text, out);
} else if (argMap.containsKey(ARGUMENT_TEXT)) {
String text = argMap.get(ARGUMENT_TEXT).toString();
renderView = renderText(text, out);
} else if (argMap.containsKey(ARGUMENT_VIEW)) {
renderView(argMap, target, controller);
} else if (argMap.containsKey(ARGUMENT_TEMPLATE)) {
renderView = renderTemplate(target, controller, webRequest, argMap, out);
} else {
Object object = arguments[0];
renderView = renderObject(object, out);
}
try {
if (!renderView) {
out.flush();
}
} catch (IOException e) {
throw new ControllerExecutionException(
"I/O error executing render method for arguments [" + argMap + "]: " + e.getMessage(),
e);
}
} else {
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
}
webRequest.setRenderView(renderView);
return null;
}