public static String invokeAndEncodeResponse(
Object target,
Method serviceMethod,
Object[] args,
SerializationPolicy serializationPolicy,
int flags)
throws SerializationException {
if (serviceMethod == null) {
throw new NullPointerException("serviceMethod");
}
if (serializationPolicy == null) {
throw new NullPointerException("serializationPolicy");
}
String responsePayload;
try {
Object result = serviceMethod.invoke(target, args);
responsePayload =
RPC.encodeResponseForSuccess(serviceMethod, result, serializationPolicy, flags);
} catch (IllegalAccessException e) {
SecurityException securityException =
new SecurityException(formatIllegalAccessErrorMessage(target, serviceMethod));
securityException.initCause(e);
throw securityException;
} catch (IllegalArgumentException e) {
SecurityException securityException =
new SecurityException(formatIllegalArgumentErrorMessage(target, serviceMethod, args));
securityException.initCause(e);
throw securityException;
} catch (InvocationTargetException e) {
// Try to encode the caught exception
//
Throwable cause = e.getCause();
LOG.error(
"Unexpected exception occured while invoking service method - "
+ (serviceMethod != null ? serviceMethod.getName() : "null"),
cause);
responsePayload =
RPC.encodeResponseForFailure(serviceMethod, cause, serializationPolicy, flags);
}
return responsePayload;
}
@Override
public String processCall(String payload) throws SerializationException {
try {
String serviceName = extractServiceName(getThreadLocalRequest().getServletPath());
Object service = applicationContext.getBean(serviceName);
RPCRequest rpcRequest = RPC.decodeRequest(payload, service.getClass(), this);
onAfterRequestDeserialized(rpcRequest);
return RPC.invokeAndEncodeResponse(
service,
rpcRequest.getMethod(),
rpcRequest.getParameters(),
rpcRequest.getSerializationPolicy(),
rpcRequest.getFlags());
} catch (IncompatibleRemoteServiceException ex) {
log("An IncompatibleRemoteServiceException was thrown while processing this call.", ex);
return RPC.encodeResponseForFailure(null, ex);
}
}
@Override
public String processCall(String content) throws SerializationException {
try {
// decode the request
RPCRequest rpcRequest = RPC.decodeRequest(content, this.serviceClass);
// if this is any service other than UserService we check session security here
if (!(service instanceof UserService)) {
validateSession(rpcRequest.getParameters());
}
// delegate work to the spring injected service
return RPC.invokeAndEncodeResponse(
service, rpcRequest.getMethod(), rpcRequest.getParameters());
} catch (IncompatibleRemoteServiceException ex) {
getServletContext()
.log("An IncompatibleRemoteServiceException was thrown while processing this call.", ex);
return RPC.encodeResponseForFailure(null, ex);
} catch (SessionTimedOutException ste) {
return RPC.encodeResponseForFailure(null, ste);
}
}
public String processCall(String payload) throws SerializationException {
// First, check for possible XSRF situation
checkPermutationStrongName();
try {
Object handler = getBean(getThreadLocalRequest());
RPCRequest rpcRequest = RPC.decodeRequest(payload, handler.getClass(), this);
onAfterRequestDeserialized(rpcRequest);
return RPC.invokeAndEncodeResponse(
handler,
rpcRequest.getMethod(),
rpcRequest.getParameters(),
rpcRequest.getSerializationPolicy(),
rpcRequest.getFlags());
} catch (IncompatibleRemoteServiceException ex) {
log("An IncompatibleRemoteServiceException was thrown while processing this call.", ex);
return RPC.encodeResponseForFailure(null, ex);
} catch (RpcTokenException tokenException) {
log("An RpcTokenException was thrown while processing this call.", tokenException);
return RPC.encodeResponseForFailure(null, tokenException);
}
}
private SerializationPolicy loadPolicy(String className) {
File policyFile = serializationPolicyFiles.get(className);
if (policyFile == null) {
log.warn("No RPC serialization policy for service " + className);
return RPC.getDefaultSerializationPolicy();
}
InputStream in = null;
try {
in = FileUtils.openInputStream(policyFile);
SerializationPolicy result = SerializationPolicyLoader.loadFromStream(in, null);
log.info(
"Loaded serrialization policy for "
+ className
+ " from file "
+ policyFile.getAbsolutePath());
return result;
} catch (IOException e) {
log.error(
"IOException: Unable to load serialization policy for "
+ className
+ " from file "
+ policyFile.getAbsolutePath(),
e);
return RPC.getDefaultSerializationPolicy();
} catch (ParseException e) {
log.error(
"ParseException: Unable to load serialization policy for "
+ className
+ " from file "
+ policyFile.getAbsolutePath(),
e);
return RPC.getDefaultSerializationPolicy();
} finally {
IOUtils.closeQuietly(in);
}
}
/**
* Serializes the result of the given method for RPC-prefetching.
*
* <p>
*
* @param method the method
* @param data the result to serialize
* @return the serialized data
* @throws SerializationException if something goes wrong
*/
protected String serialize(Method method, Object data) throws SerializationException {
return escape(
RPC.encodeResponseForSuccess(method, data, CmsPrefetchSerializationPolicy.instance()));
}
