private static Map<JType, JClassType> findCustomSerializers(TypeOracle oracle)
throws NotFoundException {
Map<JType, JClassType> serializers = new HashMap<JType, JClassType>();
JClassType serializerInterface = oracle.findType(JSONSerializer.class.getName());
JType[] deserializeParamTypes =
new JType[] {
oracle.findType(com.vaadin.client.metadata.Type.class.getName()),
oracle.findType(JSONValue.class.getName()),
oracle.findType(ApplicationConnection.class.getName())
};
String deserializeMethodName = "deserialize";
// Just test that the method exists
serializerInterface.getMethod(deserializeMethodName, deserializeParamTypes);
for (JClassType serializer : serializerInterface.getSubtypes()) {
JMethod deserializeMethod =
serializer.findMethod(deserializeMethodName, deserializeParamTypes);
if (deserializeMethod == null) {
continue;
}
JType returnType = deserializeMethod.getReturnType();
serializers.put(returnType, serializer);
}
return serializers;
}
protected void generateCheckRpcTokenTypeOverride(
SourceWriter srcWriter, TypeOracle typeOracle, SerializableTypeOracle typesSentFromBrowser) {
JClassType rpcTokenType = typeOracle.findType(RpcToken.class.getName());
JClassType[] rpcTokenSubtypes = rpcTokenType.getSubtypes();
String rpcTokenImplementation = "";
for (JClassType rpcTokenSubtype : rpcTokenSubtypes) {
if (typesSentFromBrowser.isSerializable(rpcTokenSubtype)) {
if (rpcTokenImplementation.length() > 0) {
// >1 implematation of RpcToken, bail
rpcTokenImplementation = "";
break;
} else {
rpcTokenImplementation = rpcTokenSubtype.getQualifiedSourceName();
}
}
}
if (rpcTokenImplementation.length() > 0) {
srcWriter.println("@Override");
srcWriter.println("protected void checkRpcTokenType(RpcToken token) {");
srcWriter.indent();
srcWriter.println("if (!(token instanceof " + rpcTokenImplementation + ")) {");
srcWriter.indent();
srcWriter.println(
"throw new RpcTokenException(\"Invalid RpcToken type: "
+ "expected '"
+ rpcTokenImplementation
+ "' but got '\" + "
+ "token.getClass() + \"'\");");
srcWriter.outdent();
srcWriter.println("}");
srcWriter.outdent();
srcWriter.println("}");
}
}
public void processSubTypes(TreeLogger logger, JClassType type) throws UnableToCompleteException {
processTypes(logger, Arrays.asList(type.getSubtypes()));
}
/** Adds a root type for each type that appears in the RemoteService interface methods. */
private static void addRemoteServiceRootTypes(
TreeLogger logger,
TypeOracle typeOracle,
SerializableTypeOracleBuilder typesSentFromBrowser,
SerializableTypeOracleBuilder typesSentToBrowser,
JClassType remoteService)
throws NotFoundException, UnableToCompleteException {
logger =
logger.branch(
TreeLogger.DEBUG,
"Analyzing '"
+ remoteService.getParameterizedQualifiedSourceName()
+ "' for serializable types",
null);
JMethod[] methods = remoteService.getOverridableMethods();
JClassType exceptionClass = typeOracle.getType(Exception.class.getName());
JClassType rteType = typeOracle.getType(RpcTokenException.class.getName());
JClassType rpcTokenClass = typeOracle.getType(RpcToken.class.getName());
RpcTokenImplementation tokenClassToUse =
remoteService.findAnnotationInTypeHierarchy(RpcTokenImplementation.class);
if (tokenClassToUse != null) {
// only include serializer for the specified class literal
JClassType rpcTokenType = typeOracle.getType(tokenClassToUse.value());
if (rpcTokenType.isAssignableTo(rpcTokenClass)) {
typesSentFromBrowser.addRootType(logger, rpcTokenType);
typesSentToBrowser.addRootType(logger, rteType);
} else {
logger.branch(
TreeLogger.ERROR,
"RPC token class "
+ tokenClassToUse.value()
+ " must implement "
+ RpcToken.class.getName(),
null);
throw new UnableToCompleteException();
}
} else {
JClassType[] rpcTokenSubclasses = rpcTokenClass.getSubtypes();
for (JClassType rpcTokenSubclass : rpcTokenSubclasses) {
typesSentFromBrowser.addRootType(logger, rpcTokenSubclass);
}
if (rpcTokenSubclasses.length > 0) {
typesSentToBrowser.addRootType(logger, rteType);
}
}
TreeLogger validationLogger = logger.branch(TreeLogger.DEBUG, "Analyzing methods:", null);
for (JMethod method : methods) {
TreeLogger methodLogger = validationLogger.branch(TreeLogger.DEBUG, method.toString(), null);
JType returnType = method.getReturnType();
if (returnType != JPrimitiveType.VOID) {
TreeLogger returnTypeLogger =
methodLogger.branch(
TreeLogger.DEBUG,
"Return type: " + returnType.getParameterizedQualifiedSourceName(),
null);
typesSentToBrowser.addRootType(returnTypeLogger, returnType);
}
JParameter[] params = method.getParameters();
for (JParameter param : params) {
TreeLogger paramLogger =
methodLogger.branch(TreeLogger.DEBUG, "Parameter: " + param.toString(), null);
JType paramType = param.getType();
typesSentFromBrowser.addRootType(paramLogger, paramType);
}
JType[] exs = method.getThrows();
if (exs.length > 0) {
TreeLogger throwsLogger = methodLogger.branch(TreeLogger.DEBUG, "Throws:", null);
for (JType ex : exs) {
if (!exceptionClass.isAssignableFrom(ex.isClass())) {
throwsLogger =
throwsLogger.branch(
TreeLogger.WARN,
"'"
+ ex.getQualifiedSourceName()
+ "' is not a checked exception; only checked exceptions may be used",
null);
}
typesSentToBrowser.addRootType(throwsLogger, ex);
}
}
}
}
