private void implementSetter(
TreeLogger logger,
MethodBuffer mb,
JMethod method,
ModelMagic manifest,
HasModelFields models,
Annotation[] annos) {
JPrimitiveType primitive = method.getReturnType().isPrimitive();
boolean isVoid = primitive == JPrimitiveType.VOID;
boolean isFluent = ModelGeneratorGwt.isFluent(method);
String name = ModelGeneratorGwt.fieldName(method, manifest);
ModelField field = models.getOrMakeField(name);
field.addSetter(
X_Source.binaryToSource(method.getReturnType().getQualifiedBinaryName()),
name,
ModelGeneratorGwt.toTypes(method.getParameterTypes()))
.fluent =
isFluent;
if (!isFluent && !isVoid) {
mb.println("var value = getProperty(\"" + name + "\");");
}
JParameter[] params = method.getParameters();
if (params.length != 1)
throw new NotConfiguredCorrectly(
"A setter method, " + method.getJsniSignature() + " must have exactly one parameter");
mb.println("setProperty(\"" + name + "\", A);");
if (!isVoid) mb.println("return " + (isFluent ? "this;" : "value;"));
}
private void writeSubresourceLocatorImpl(JMethod method) throws UnableToCompleteException {
JClassType iface = method.getReturnType().isInterface();
if (iface == null || !REST_SERVICE_TYPE.isAssignableFrom(iface)) {
getLogger()
.log(
ERROR,
"Invalid subresource locator method. Method must have return type of an interface that extends RestService: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
Path pathAnnotation = method.getAnnotation(Path.class);
if (pathAnnotation == null) {
getLogger()
.log(
ERROR,
"Invalid subresource locator method. Method must have @Path annotation: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
String pathExpression = wrap(pathAnnotation.value());
for (JParameter arg : method.getParameters()) {
PathParam paramPath = arg.getAnnotation(PathParam.class);
if (paramPath != null) {
pathExpression = pathExpression(pathExpression, arg, paramPath);
}
}
p(method.getReadableDeclaration(false, false, false, false, true) + " {").i(1);
{
JType type = method.getReturnType();
String name;
if (type instanceof JClassType) {
JClassType restService = (JClassType) type;
RestServiceClassCreator generator =
new RestServiceClassCreator(getLogger(), context, restService);
name = generator.create();
} else {
throw new UnsupportedOperationException("Subresource method may not return: " + type);
}
p(method.getReturnType().getQualifiedSourceName() + " __subresource = new " + name + "();");
p(
"(("
+ RestServiceProxy.class.getName()
+ ")__subresource).setResource(getResource().resolve("
+ pathExpression
+ "));");
p("return __subresource;");
}
i(-1).p("}");
}
/**
* @param srcWriter
* @param type
* @param parentVariable
* @param added
* @param iocContainerVariable
* @param configurations
*/
private static void injectMethods(
SourcePrinter srcWriter,
JClassType type,
String parentVariable,
Set<String> added,
String iocContainerVariable,
Map<String, IocConfig<?>> configurations) {
for (JMethod method : type.getMethods()) {
Inject inject = method.getAnnotation(Inject.class);
if (inject != null && !method.isStatic()) {
String methodName = method.getName();
if (!added.contains(methodName + "()")) {
added.add(methodName + "()");
JParameter[] parameters = method.getParameters();
List<String> params = new ArrayList<String>();
for (JParameter parameter : parameters) {
JType parameterType = parameter.getType();
if ((parameterType.isPrimitive() != null)) {
throw new IoCException(
"IoC Error Method ["
+ methodName
+ "] from class ["
+ type.getQualifiedSourceName()
+ "] declares an invalid parameter. Primitive types are not allowed here");
}
String variableName = "parameter_" + methodName + "_" + parameter.getName();
params.add(variableName);
String injectionExpression =
getParameterInjectionExpression(parameter, iocContainerVariable, configurations);
srcWriter.println(
parameterType.getQualifiedSourceName()
+ " "
+ variableName
+ " = "
+ injectionExpression
+ ";");
}
srcWriter.print(parentVariable + "." + methodName + "(");
boolean first = true;
for (String param : params) {
if (!first) {
srcWriter.print(", ");
}
first = false;
srcWriter.print(param);
}
srcWriter.println(");");
}
}
}
}
/** Examine a RequestContext method to see if it returns a transportable type. */
private boolean validateContextMethodAndSetDataType(
RequestMethod.Builder methodBuilder, JMethod method, boolean allowSetters)
throws UnableToCompleteException {
JClassType requestReturnType = method.getReturnType().isInterface();
JClassType invocationReturnType;
if (requestReturnType == null) {
// Primitive return type
poison(badContextReturnType(method, requestInterface, instanceRequestInterface));
return false;
}
if (instanceRequestInterface.isAssignableFrom(requestReturnType)) {
// Instance method invocation
JClassType[] params =
ModelUtils.findParameterizationOf(instanceRequestInterface, requestReturnType);
methodBuilder.setInstanceType(getEntityProxyType(params[0]));
invocationReturnType = params[1];
} else if (requestInterface.isAssignableFrom(requestReturnType)) {
// Static method invocation
JClassType[] params = ModelUtils.findParameterizationOf(requestInterface, requestReturnType);
invocationReturnType = params[0];
} else {
// Unhandled return type, must be something random
poison(badContextReturnType(method, requestInterface, instanceRequestInterface));
return false;
}
// Validate the parameters
boolean paramsOk = true;
JParameter[] params = method.getParameters();
for (int i = 0; i < params.length; ++i) {
JParameter param = params[i];
paramsOk =
validateTransportableType(new RequestMethod.Builder(), param.getType(), false)
&& paramsOk;
}
// Validate any extra properties on the request type
for (JMethod maybeSetter : requestReturnType.getInheritableMethods()) {
if (JBeanMethod.SET.matches(maybeSetter) || JBeanMethod.SET_BUILDER.matches(maybeSetter)) {
if (allowSetters) {
methodBuilder.addExtraSetter(maybeSetter);
} else {
poison(noSettersAllowed(maybeSetter));
}
}
}
return validateTransportableType(methodBuilder, invocationReturnType, true);
}
private void emitBody(SourceWriter w) throws NotFoundException {
JClassType baseClass =
context_.getTypeOracle().getType("org.rstudio.core.client.js.JsObjectInjector");
JClassType c = baseType_.asParameterizationOf(baseClass.isGenericType());
JType typeToInject = c.isParameterized().getTypeArgs()[0];
w.print("public native final void injectObject(");
w.print(typeToInject.getQualifiedSourceName());
w.println(" value) /*-{");
w.indent();
w.println(baseExpression_ + " = {");
w.indent();
JMethod[] methods = typeToInject.isClassOrInterface().getMethods();
for (int i = 0; i < methods.length; i++) {
JMethod method = methods[i];
final JParameter[] jParameters = method.getParameters();
StringBuilder argString = new StringBuilder();
for (int j = 0; j < jParameters.length; j++) {
argString.append("_").append(j);
if (j < jParameters.length - 1) argString.append(", ");
}
w.println(method.getName() + ": function(" + argString + ") {");
w.indent();
if (!method.getReturnType().getQualifiedSourceName().equals("void")) w.print("return ");
w.print("value.@");
w.print(typeToInject.getQualifiedSourceName());
w.print("::");
w.print(method.getName());
w.print("(");
for (JParameter param : jParameters) w.print(param.getType().getJNISignature());
w.print(")(");
w.print(argString.toString());
w.println(");");
w.outdent();
w.print("}");
w.println((i < methods.length - 1) ? "," : "");
}
w.outdent();
w.println("};");
w.outdent();
w.println("}-*/;");
}
public RequestFactoryModel(TreeLogger logger, JClassType factoryType)
throws UnableToCompleteException {
this.logger = logger;
this.factoryType = factoryType;
this.oracle = factoryType.getOracle();
collectionInterface = oracle.findType(Collection.class.getCanonicalName());
entityProxyInterface = oracle.findType(EntityProxy.class.getCanonicalName());
instanceRequestInterface = oracle.findType(InstanceRequest.class.getCanonicalName());
listInterface = oracle.findType(List.class.getCanonicalName());
mapInterface = oracle.findType(Map.class.getCanonicalName());
requestContextInterface = oracle.findType(RequestContext.class.getCanonicalName());
requestFactoryInterface = oracle.findType(RequestFactory.class.getCanonicalName());
requestInterface = oracle.findType(Request.class.getCanonicalName());
setInterface = oracle.findType(Set.class.getCanonicalName());
splittableType = oracle.findType(Splittable.class.getCanonicalName());
valueProxyInterface = oracle.findType(ValueProxy.class.getCanonicalName());
extraTypes = checkExtraTypes(factoryType, false);
for (JMethod method : factoryType.getOverridableMethods()) {
if (method.getEnclosingType().equals(requestFactoryInterface)) {
// Ignore methods defined an RequestFactory itself
continue;
}
if (method.getParameters().length > 0) {
poison("Unexpected parameter on method %s", method.getName());
continue;
}
JClassType contextType = method.getReturnType().isInterface();
if (contextType == null || !requestContextInterface.isAssignableFrom(contextType)) {
poison(
"Unexpected return type %s on method %s is not" + " an interface assignable to %s",
method.getReturnType().getQualifiedSourceName(),
method.getName(),
requestContextInterface.getSimpleSourceName());
continue;
}
ContextMethod.Builder builder = new ContextMethod.Builder();
builder.setDeclaredMethod(method);
buildContextMethod(builder, contextType);
contextMethods.add(builder.build());
}
if (poisoned) {
die(poisonedMessage());
}
}
/** Simply prints a JSNI reference to the exported function. */
private static void writeIdentityInvocation(FragmentGeneratorContext context, JMethod m)
throws UnableToCompleteException {
SourceWriter sw = context.sw;
JParameter[] parameters = m.getParameters();
sw.print("@");
sw.print(m.getEnclosingType().getQualifiedSourceName());
sw.print("::");
sw.print(m.getName());
sw.print("(");
// Argument list for the Java invocation
for (int i = 0; i < parameters.length; i++) {
sw.print(parameters[i].getType().getJNISignature());
}
sw.print(")");
}
public static JMethod getInstantiationMethod(JClassType serializer, JClassType serializee) {
JMethod[] overloads = serializer.getOverloads("instantiate");
for (JMethod overload : overloads) {
JParameter[] parameters = overload.getParameters();
if (parameters.length != 1) {
// Different overload
continue;
}
if (!parameters[0]
.getType()
.getQualifiedSourceName()
.equals(SerializationStreamReader.class.getName())) {
// First param is not a stream class
continue;
}
if (!isValidCustomFieldSerializerMethod(overload)) {
continue;
}
JType type = overload.getReturnType();
if (type.isPrimitive() != null) {
// Primitives are auto serialized so this can't be the right method
continue;
}
// TODO: if isArray answered yes to isClass this cast would not be
// necessary
JClassType clazz = (JClassType) type;
if (clazz.isAssignableFrom(serializee)) {
return overload;
}
}
return null;
}
@Override
protected void generateWrapperMethod(JMethod method, SourcePrinter srcWriter) {
if (mustDelegateToController(method)) {
JType returnType = method.getReturnType().getErasedType();
srcWriter.println(method.getReadableDeclaration(false, false, false, false, true) + "{");
if (returnType != JPrimitiveType.VOID) {
srcWriter.print("return ");
}
srcWriter.print("this._controller." + method.getName() + "(");
boolean needsComma = false;
for (JParameter parameter : method.getParameters()) {
if (needsComma) {
srcWriter.print(", ");
}
needsComma = true;
srcWriter.print(parameter.getName());
}
srcWriter.println(");");
srcWriter.println("}");
}
}
private static JMethod getMethod(
String methodName, String streamClassName, JClassType serializer, JClassType serializee) {
JMethod[] overloads = serializer.getOverloads(methodName);
for (JMethod overload : overloads) {
JParameter[] parameters = overload.getParameters();
if (parameters.length != 2) {
// Different overload
continue;
}
if (!parameters[0].getType().getQualifiedSourceName().equals(streamClassName)) {
// First param is not a stream class
continue;
}
JParameter serializeeParam = parameters[1];
JType type = serializeeParam.getType();
if (type.isPrimitive() != null) {
// Primitives are auto serialized so this can't be the right method
continue;
}
// TODO: if isArray answered yes to isClass this cast would not be
// necessary
JClassType clazz = (JClassType) type;
if (clazz.isAssignableFrom(serializee)) {
if (isValidCustomFieldSerializerMethod(overload)
&& overload.getReturnType() == JPrimitiveType.VOID) {
return overload;
}
}
}
return null;
}
/** Determines if the exported method can be used as-is. */
private static boolean isIdentityFunction(FragmentGeneratorContext context, JMethod m)
throws UnableToCompleteException {
TreeLogger logger =
context.parentLogger.branch(
TreeLogger.DEBUG, "Determining identity status of " + m.getName(), null);
FragmentGeneratorOracle fgo = context.fragmentGeneratorOracle;
boolean identityOnly = m.isStatic();
JParameter[] parameters = m.getParameters();
identityOnly &=
context
.fragmentGeneratorOracle
.findFragmentGenerator(logger, context.typeOracle, m.getReturnType())
.isIdentity();
for (int i = 0; i < parameters.length && identityOnly; i++) {
FragmentGenerator fragmentGenerator =
fgo.findFragmentGenerator(logger, context.typeOracle, parameters[i].getType());
identityOnly &= fragmentGenerator.isIdentity();
}
return identityOnly;
}
/** Writes a linkage function object that will invoke the exported function. */
private static void writeLinkageInvocation(FragmentGeneratorContext context, JMethod m)
throws UnableToCompleteException {
TreeLogger logger =
context.parentLogger.branch(
TreeLogger.DEBUG, "Writing function() for " + m.getName(), null);
SourceWriter sw = context.sw;
JParameter[] parameters = m.getParameters();
FragmentGeneratorOracle fgo = context.fragmentGeneratorOracle;
FragmentGenerator returnFragmentGenerator =
fgo.findFragmentGenerator(logger, context.typeOracle, m.getReturnType());
sw.print("function(");
for (int i = 0; i < parameters.length; i++) {
sw.print("arg");
sw.print(String.valueOf(i));
if (i < parameters.length - 1) {
sw.print(", ");
}
}
sw.println(") {");
sw.indent();
if (returnFragmentGenerator.isIdentity()) {
sw.print("return ");
} else {
sw.print("var javaReturn = ");
}
// Don't need to reference the instance on a static method
if (!m.isStatic()) {
sw.print(context.parameterName);
sw.print(".");
}
sw.print("@");
sw.print(m.getEnclosingType().getQualifiedSourceName());
sw.print("::");
sw.print(m.getName());
sw.print("(");
// Argument list for the Java invocation
for (int i = 0; i < parameters.length; i++) {
sw.print(parameters[i].getType().getJNISignature());
}
sw.println(")(");
// Indent the parameters, each on its own like to improve readability
sw.indent();
sw.indent();
for (int i = 0; i < parameters.length; i++) {
// Create a sub-context to generate the wrap/unwrap logic
JType returnType = parameters[i].getType();
FragmentGeneratorContext subParams = new FragmentGeneratorContext(context);
subParams.returnType = returnType;
subParams.parameterName = "arg" + i;
FragmentGenerator fragmentGenerator =
fgo.findFragmentGenerator(logger, context.typeOracle, returnType);
if (fragmentGenerator == null) {
logger.log(
TreeLogger.ERROR,
"No fragment generator for " + returnType.getQualifiedSourceName(),
null);
throw new UnableToCompleteException();
}
fragmentGenerator.fromJS(subParams);
if (i < parameters.length - 1) {
sw.println(", ");
}
}
sw.outdent();
sw.outdent();
sw.println(");");
if (!returnFragmentGenerator.isIdentity()) {
FragmentGeneratorContext returnContext = new FragmentGeneratorContext(context);
returnContext.parameterName = "javaReturn";
returnContext.returnType = m.getReturnType();
sw.print("return ");
returnFragmentGenerator.toJS(returnContext);
sw.println(";");
}
sw.outdent();
sw.print("}");
}
private void writeMethodImpl(JMethod method) throws UnableToCompleteException {
boolean returnRequest = false;
if (method.getReturnType() != JPrimitiveType.VOID) {
if (!method.getReturnType().getQualifiedSourceName().equals(Request.class.getName())
&& !method
.getReturnType()
.getQualifiedSourceName()
.equals(JsonpRequest.class.getName())) {
getLogger()
.log(
ERROR,
"Invalid rest method. Method must have void, Request or JsonpRequest return types: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
} else {
returnRequest = true;
}
}
Json jsonAnnotation = source.getAnnotation(Json.class);
final Style classStyle = jsonAnnotation != null ? jsonAnnotation.style() : Style.DEFAULT;
Options classOptions = source.getAnnotation(Options.class);
Options options = method.getAnnotation(Options.class);
p(method.getReadableDeclaration(false, false, false, false, true) + " {").i(1);
{
String restMethod = getRestMethod(method);
LinkedList<JParameter> args =
new LinkedList<JParameter>(Arrays.asList(method.getParameters()));
// the last arg should be the callback.
if (args.isEmpty()) {
getLogger()
.log(
ERROR,
"Invalid rest method. Method must declare at least a callback argument: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
JParameter callbackArg = args.removeLast();
JClassType callbackType = callbackArg.getType().isClassOrInterface();
JClassType methodCallbackType = METHOD_CALLBACK_TYPE;
if (callbackType == null || !callbackType.isAssignableTo(methodCallbackType)) {
getLogger()
.log(
ERROR,
"Invalid rest method. Last argument must be a "
+ methodCallbackType.getName()
+ " type: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
JClassType resultType = getCallbackTypeGenericClass(callbackType);
String pathExpression = null;
Path pathAnnotation = method.getAnnotation(Path.class);
if (pathAnnotation != null) {
pathExpression = wrap(pathAnnotation.value());
}
JParameter contentArg = null;
HashMap<String, JParameter> queryParams = new HashMap<String, JParameter>();
HashMap<String, JParameter> formParams = new HashMap<String, JParameter>();
HashMap<String, JParameter> headerParams = new HashMap<String, JParameter>();
for (JParameter arg : args) {
PathParam paramPath = arg.getAnnotation(PathParam.class);
if (paramPath != null) {
if (pathExpression == null) {
getLogger()
.log(
ERROR,
"Invalid rest method. Invalid @PathParam annotation. Method is missing the @Path annotation: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
pathExpression = pathExpression(pathExpression, arg, paramPath);
// .replaceAll(Pattern.quote("{" + paramPath.value() + "}"),
// "\"+com.google.gwt.http.client.URL.encodePathSegment(" + toStringExpression(arg) +
// ")+\"");
if (arg.getAnnotation(Attribute.class) != null) {
// allow part of the arg-object participate in as PathParam and the object goes over the
// wire
contentArg = arg;
}
continue;
}
QueryParam queryParam = arg.getAnnotation(QueryParam.class);
if (queryParam != null) {
queryParams.put(queryParam.value(), arg);
continue;
}
FormParam formParam = arg.getAnnotation(FormParam.class);
if (formParam != null) {
formParams.put(formParam.value(), arg);
continue;
}
HeaderParam headerParam = arg.getAnnotation(HeaderParam.class);
if (headerParam != null) {
headerParams.put(headerParam.value(), arg);
continue;
}
if (!formParams.isEmpty()) {
getLogger()
.log(
ERROR,
"You can not have both @FormParam parameters and a content parameter: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
if (contentArg != null) {
getLogger()
.log(
ERROR,
"Invalid rest method. Only one content parameter is supported: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
contentArg = arg;
}
String acceptTypeBuiltIn = null;
if (callbackType.equals(TEXT_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_TEXT";
} else if (callbackType.equals(JSON_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_JSON";
} else if (callbackType.isAssignableTo(OVERLAY_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_JSON";
} else if (callbackType.equals(XML_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_XML";
}
p("final " + METHOD_CLASS + " __method =");
p("getResource()");
if (pathExpression != null) {
p(".resolve(" + pathExpression + ")");
}
for (Map.Entry<String, JParameter> entry : queryParams.entrySet()) {
String expr = entry.getValue().getName();
JClassType type = entry.getValue().getType().isClassOrInterface();
if (type != null && isQueryParamListType(type)) {
p(
".addQueryParams("
+ wrap(entry.getKey())
+ ", "
+ toIteratedStringExpression(entry.getValue())
+ ")");
} else {
p(
".addQueryParam("
+ wrap(entry.getKey())
+ ", "
+ toStringExpression(entry.getValue().getType(), expr)
+ ")");
}
}
// example: .get()
p("." + restMethod + "();");
// Handle JSONP specific configuration...
JSONP jsonpAnnotation = method.getAnnotation(JSONP.class);
final boolean isJsonp = restMethod.equals(METHOD_JSONP) && jsonpAnnotation != null;
if (isJsonp) {
if (returnRequest
&& !method
.getReturnType()
.getQualifiedSourceName()
.equals(JsonpRequest.class.getName())) {
getLogger()
.log(
ERROR,
"Invalid rest method. JSONP method must have void or JsonpRequest return types: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
if (jsonpAnnotation.callbackParam().length() > 0) {
p(
"(("
+ JSONP_METHOD_CLASS
+ ")__method).callbackParam("
+ wrap(jsonpAnnotation.callbackParam())
+ ");");
}
if (jsonpAnnotation.failureCallbackParam().length() > 0) {
p(
"(("
+ JSONP_METHOD_CLASS
+ ")__method).failureCallbackParam("
+ wrap(jsonpAnnotation.failureCallbackParam())
+ ");");
}
} else {
if (returnRequest
&& !method.getReturnType().getQualifiedSourceName().equals(Request.class.getName())) {
getLogger()
.log(
ERROR,
"Invalid rest method. Non JSONP method must have void or Request return types: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
}
// configure the dispatcher
if (options != null && options.dispatcher() != Dispatcher.class) {
// use the dispatcher configured for the method.
p("__method.setDispatcher(" + options.dispatcher().getName() + ".INSTANCE);");
} else {
// use the default dispatcher configured for the service..
p("__method.setDispatcher(this.dispatcher);");
}
// configure the expected statuses..
if (options != null && options.expect().length != 0) {
// Using method level defined expected status
p("__method.expect(" + join(options.expect(), ", ") + ");");
} else if (classOptions != null && classOptions.expect().length != 0) {
// Using class level defined expected status
p("__method.expect(" + join(classOptions.expect(), ", ") + ");");
}
// configure the timeout
if (options != null && options.timeout() >= 0) {
// Using method level defined value
p("__method.timeout(" + options.timeout() + ");");
} else if (classOptions != null && classOptions.timeout() >= 0) {
// Using class level defined value
p("__method.timeout(" + classOptions.timeout() + ");");
}
if (jsonpAnnotation == null) {
Produces producesAnnotation = findAnnotationOnMethodOrEnclosingType(method, Produces.class);
if (producesAnnotation != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ wrap(producesAnnotation.value()[0])
+ ");");
} else {
// set the default accept header....
if (acceptTypeBuiltIn != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ RESOURCE_CLASS
+ "."
+ acceptTypeBuiltIn
+ ");");
} else {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ RESOURCE_CLASS
+ ".CONTENT_TYPE_JSON);");
}
}
Consumes consumesAnnotation = findAnnotationOnMethodOrEnclosingType(method, Consumes.class);
if (consumesAnnotation != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_CONTENT_TYPE, "
+ wrap(consumesAnnotation.value()[0])
+ ");");
}
// and set the explicit headers now (could override the accept header)
for (Map.Entry<String, JParameter> entry : headerParams.entrySet()) {
String expr = entry.getValue().getName();
p(
"__method.header("
+ wrap(entry.getKey())
+ ", "
+ toStringExpression(entry.getValue().getType(), expr)
+ ");");
}
}
if (!formParams.isEmpty()) {
p(FORM_POST_CONTENT_CLASS + " __formPostContent = new " + FORM_POST_CONTENT_CLASS + "();");
for (Map.Entry<String, JParameter> entry : formParams.entrySet()) {
p(
"__formPostContent.addParameter("
+ wrap(entry.getKey())
+ ", "
+ toFormStringExpression(entry.getValue(), classStyle)
+ ");");
}
p("__method.form(__formPostContent.getTextContent());");
}
if (contentArg != null) {
if (contentArg.getType() == STRING_TYPE) {
p("__method.text(" + contentArg.getName() + ");");
} else if (contentArg.getType() == JSON_VALUE_TYPE) {
p("__method.json(" + contentArg.getName() + ");");
} else if (contentArg.getType().isClass() != null
&& isOverlayArrayType(contentArg.getType().isClass())) {
p("__method.json(new " + JSON_ARRAY_CLASS + "(" + contentArg.getName() + "));");
} else if (contentArg.getType().isClass() != null
&& contentArg.getType().isClass().isAssignableTo(OVERLAY_VALUE_TYPE)) {
p("__method.json(new " + JSON_OBJECT_CLASS + "(" + contentArg.getName() + "));");
} else if (contentArg.getType() == DOCUMENT_TYPE) {
p("__method.xml(" + contentArg.getName() + ");");
} else {
JClassType contentClass = contentArg.getType().isClass();
if (contentClass == null) {
contentClass = contentArg.getType().isClassOrInterface();
if (!locator.isCollectionType(contentClass)) {
getLogger().log(ERROR, "Content argument must be a class.");
throw new UnableToCompleteException();
}
}
jsonAnnotation = contentArg.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
// example:
// .json(Listings$_Generated_JsonEncoder_$.INSTANCE.encode(arg0)
// )
p(
"__method.json("
+ locator.encodeExpression(contentClass, contentArg.getName(), style)
+ ");");
}
}
List<AnnotationResolver> annotationResolvers = getAnnotationResolvers(context, getLogger());
getLogger()
.log(
TreeLogger.DEBUG,
"found " + annotationResolvers.size() + " additional AnnotationResolvers");
for (AnnotationResolver a : annotationResolvers) {
getLogger()
.log(
TreeLogger.DEBUG,
"("
+ a.getClass().getName()
+ ") resolve `"
+ source.getName()
+ "#"
+ method.getName()
+ "´ ...");
final Map<String, String[]> addDataParams =
a.resolveAnnotation(getLogger(), source, method, restMethod);
if (addDataParams != null) {
for (String s : addDataParams.keySet()) {
final StringBuilder sb = new StringBuilder();
final List<String> classList = Arrays.asList(addDataParams.get(s));
sb.append("[");
for (int i = 0; i < classList.size(); ++i) {
sb.append("\\\"").append(classList.get(i)).append("\\\"");
if ((i + 1) < classList.size()) {
sb.append(",");
}
}
sb.append("]");
getLogger()
.log(TreeLogger.DEBUG, "add call with (\"" + s + "\", \"" + sb.toString() + "\")");
p("__method.addData(\"" + s + "\", \"" + sb.toString() + "\");");
}
}
}
if (acceptTypeBuiltIn != null) {
// TODO: shouldn't we also have a cach in here?
p(returnRequest(returnRequest, isJsonp) + "__method.send(" + callbackArg.getName() + ");");
} else if (isJsonp) {
p(returnRequest(returnRequest, isJsonp)
+ "(("
+ JSONP_METHOD_CLASS
+ ")__method).send(new "
+ ABSTRACT_ASYNC_CALLBACK_CLASS
+ "<"
+ resultType.getParameterizedQualifiedSourceName()
+ ">(("
+ JSONP_METHOD_CLASS
+ ")__method, "
+ callbackArg.getName()
+ ") {")
.i(1);
{
p("protected "
+ resultType.getParameterizedQualifiedSourceName()
+ " parseResult("
+ JSON_VALUE_CLASS
+ " result) throws Exception {")
.i(1);
{
if (resultType.getParameterizedQualifiedSourceName().equals("java.lang.Void")) {
p("return (java.lang.Void) null;");
} else {
p("try {").i(1);
{
if (resultType.isAssignableTo(locator.LIST_TYPE)) {
p("result = new " + JSON_ARRAY_CLASS + "(result.getJavaScriptObject());");
}
jsonAnnotation = method.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
p("return " + locator.decodeExpression(resultType, "result", style) + ";");
}
i(-1).p("} catch (Throwable __e) {").i(1);
{
p(
"throw new "
+ RESPONSE_FORMAT_EXCEPTION_CLASS
+ "(\"Response was NOT a valid JSON document\", __e);");
}
i(-1).p("}");
}
}
i(-1).p("}");
}
i(-1).p("});");
} else {
p("try {").i(1);
{
p(returnRequest(returnRequest, isJsonp)
+ "__method.send(new "
+ ABSTRACT_REQUEST_CALLBACK_CLASS
+ "<"
+ resultType.getParameterizedQualifiedSourceName()
+ ">(__method, "
+ callbackArg.getName()
+ ") {")
.i(1);
{
p("protected "
+ resultType.getParameterizedQualifiedSourceName()
+ " parseResult() throws Exception {")
.i(1);
{
if (resultType.getParameterizedQualifiedSourceName().equals("java.lang.Void")) {
p("return (java.lang.Void) null;");
} else {
p("try {").i(1);
{
jsonAnnotation = method.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
p(
"return "
+ locator.decodeExpression(
resultType,
JSON_PARSER_CLASS + ".parse(__method.getResponse().getText())",
style)
+ ";");
}
i(-1).p("} catch (Throwable __e) {").i(1);
{
p(
"throw new "
+ RESPONSE_FORMAT_EXCEPTION_CLASS
+ "(\"Response was NOT a valid JSON document\", __e);");
}
i(-1).p("}");
}
}
i(-1).p("}");
}
i(-1).p("});");
}
i(-1).p("} catch (" + REQUEST_EXCEPTION_CLASS + " __e) {").i(1);
{
p(callbackArg.getName() + ".onFailure(__method,__e);");
if (returnRequest) {
p("return null;");
}
}
i(-1).p("}");
}
}
i(-1).p("}");
}
/** 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);
}
}
}
}
private void writeMethodImpl(JMethod method) throws UnableToCompleteException {
if (method.getReturnType().isPrimitive() != JPrimitiveType.VOID) {
error(
"Invalid rest method. Method must have void return type: "
+ method.getReadableDeclaration());
}
Json jsonAnnotation = source.getAnnotation(Json.class);
final Style classStyle = jsonAnnotation != null ? jsonAnnotation.style() : Style.DEFAULT;
Options classOptions = source.getAnnotation(Options.class);
Options options = method.getAnnotation(Options.class);
p(method.getReadableDeclaration(false, false, false, false, true) + " {").i(1);
{
String restMethod = getRestMethod(method);
LinkedList<JParameter> args =
new LinkedList<JParameter>(Arrays.asList(method.getParameters()));
// the last arg should be the callback.
if (args.isEmpty()) {
error(
"Invalid rest method. Method must declare at least a callback argument: "
+ method.getReadableDeclaration());
}
JParameter callbackArg = args.removeLast();
JClassType callbackType = callbackArg.getType().isClassOrInterface();
JClassType methodCallbackType = METHOD_CALLBACK_TYPE;
if (callbackType == null || !callbackType.isAssignableTo(methodCallbackType)) {
error(
"Invalid rest method. Last argument must be a "
+ methodCallbackType.getName()
+ " type: "
+ method.getReadableDeclaration());
}
JClassType resultType = getCallbackTypeGenericClass(callbackType);
String pathExpression = null;
Path pathAnnotation = method.getAnnotation(Path.class);
if (pathAnnotation != null) {
pathExpression = wrap(pathAnnotation.value());
}
JParameter contentArg = null;
HashMap<String, JParameter> queryParams = new HashMap<String, JParameter>();
HashMap<String, JParameter> headerParams = new HashMap<String, JParameter>();
for (JParameter arg : args) {
PathParam paramPath = arg.getAnnotation(PathParam.class);
if (paramPath != null) {
if (pathExpression == null) {
error(
"Invalid rest method. Invalid @PathParam annotation. Method is missing the @Path annotation: "
+ method.getReadableDeclaration());
}
pathExpression =
pathExpression.replaceAll(
Pattern.quote("{" + paramPath.value() + "}"),
"\"+" + toStringExpression(arg) + "+\"");
continue;
}
QueryParam queryParam = arg.getAnnotation(QueryParam.class);
if (queryParam != null) {
queryParams.put(queryParam.value(), arg);
continue;
}
HeaderParam headerParam = arg.getAnnotation(HeaderParam.class);
if (headerParam != null) {
headerParams.put(headerParam.value(), arg);
continue;
}
if (contentArg != null) {
error(
"Invalid rest method. Only one content parameter is supported: "
+ method.getReadableDeclaration());
}
contentArg = arg;
}
String acceptTypeBuiltIn = null;
if (callbackType.equals(TEXT_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_TEXT";
} else if (callbackType.equals(JSON_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_JSON";
} else if (callbackType.isAssignableTo(OVERLAY_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_JSON";
} else if (callbackType.equals(XML_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_XML";
}
p("final " + METHOD_CLASS + " __method =");
p("this.resource");
if (pathExpression != null) {
p(".resolve(" + pathExpression + ")");
}
for (Map.Entry<String, JParameter> entry : queryParams.entrySet()) {
String expr = entry.getValue().getName();
p(
".addQueryParam("
+ wrap(entry.getKey())
+ ", "
+ toStringExpression(entry.getValue().getType(), expr)
+ ")");
}
// example: .get()
p("." + restMethod + "();");
// Handle JSONP specific configuration...
JSONP jsonpAnnotation = method.getAnnotation(JSONP.class);
if (restMethod.equals(METHOD_JSONP) && jsonpAnnotation != null) {
if (jsonpAnnotation.callbackParam().length() > 0) {
p(
"(("
+ JSONP_METHOD_CLASS
+ ")__method).callbackParam("
+ wrap(jsonpAnnotation.callbackParam())
+ ");");
}
if (jsonpAnnotation.failureCallbackParam().length() > 0) {
p(
"(("
+ JSONP_METHOD_CLASS
+ ")__method).failureCallbackParam("
+ wrap(jsonpAnnotation.failureCallbackParam())
+ ");");
}
}
// configure the dispatcher
if (options != null && options.dispatcher() != Dispatcher.class) {
// use the dispatcher configured for the method.
p("__method.setDispatcher(" + options.dispatcher().getName() + ".INSTANCE);");
} else {
// use the default dispatcher configured for the service..
p("__method.setDispatcher(this.dispatcher);");
}
// configure the expected statuses..
if (options != null && options.expect().length != 0) {
// Using method level defined expected status
p("__method.expect(" + join(options.expect(), ", ") + ");");
} else if (classOptions != null && classOptions.expect().length != 0) {
// Using class level defined expected status
p("__method.expect(" + join(classOptions.expect(), ", ") + ");");
}
// configure the timeout
if (options != null && options.timeout() >= 0) {
// Using method level defined value
p("__method.timeout(" + options.timeout() + ");");
} else if (classOptions != null && classOptions.timeout() >= 0) {
// Using class level defined value
p("__method.timeout(" + classOptions.timeout() + ");");
}
Produces producesAnnotation = findAnnotationOnMethodOrEnclosingType(method, Produces.class);
if (producesAnnotation != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ wrap(producesAnnotation.value()[0])
+ ");");
} else {
// set the default accept header....
if (acceptTypeBuiltIn != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ RESOURCE_CLASS
+ "."
+ acceptTypeBuiltIn
+ ");");
} else {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ RESOURCE_CLASS
+ ".CONTENT_TYPE_JSON);");
}
}
Consumes consumesAnnotation = findAnnotationOnMethodOrEnclosingType(method, Consumes.class);
if (consumesAnnotation != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_CONTENT_TYPE, "
+ wrap(consumesAnnotation.value()[0])
+ ");");
}
// and set the explicit headers now (could override the accept header)
for (Map.Entry<String, JParameter> entry : headerParams.entrySet()) {
String expr = entry.getValue().getName();
p(
"__method.header("
+ wrap(entry.getKey())
+ ", "
+ toStringExpression(entry.getValue().getType(), expr)
+ ");");
}
if (contentArg != null) {
if (contentArg.getType() == STRING_TYPE) {
p("__method.text(" + contentArg.getName() + ");");
} else if (contentArg.getType() == JSON_VALUE_TYPE) {
p("__method.json(" + contentArg.getName() + ");");
} else if (contentArg.getType().isClass() != null
&& isOverlayArrayType(contentArg.getType().isClass())) {
p("__method.json(new " + JSON_ARRAY_CLASS + "(" + contentArg.getName() + "));");
} else if (contentArg.getType().isClass() != null
&& contentArg.getType().isClass().isAssignableTo(OVERLAY_VALUE_TYPE)) {
p("__method.json(new " + JSON_OBJECT_CLASS + "(" + contentArg.getName() + "));");
} else if (contentArg.getType() == DOCUMENT_TYPE) {
p("__method.xml(" + contentArg.getName() + ");");
} else {
JClassType contentClass = contentArg.getType().isClass();
if (contentClass == null) {
error("Content argument must be a class.");
}
jsonAnnotation = contentArg.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
// example:
// .json(Listings$_Generated_JsonEncoder_$.INSTANCE.encode(arg0)
// )
p(
"__method.json("
+ locator.encodeExpression(contentClass, contentArg.getName(), style)
+ ");");
}
}
if (acceptTypeBuiltIn != null) {
p("__method.send(" + callbackArg.getName() + ");");
} else {
p("try {").i(1);
{
p("__method.send(new "
+ ABSTRACT_REQUEST_CALLBACK_CLASS
+ "<"
+ resultType.getParameterizedQualifiedSourceName()
+ ">(__method, "
+ callbackArg.getName()
+ ") {")
.i(1);
{
p("protected "
+ resultType.getParameterizedQualifiedSourceName()
+ " parseResult() throws Exception {")
.i(1);
{
if (resultType.getParameterizedQualifiedSourceName().equals("java.lang.Void")) {
p("return (java.lang.Void) new java.lang.Object();");
} else {
p("try {").i(1);
{
jsonAnnotation = method.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
p(
"return "
+ locator.decodeExpression(
resultType,
JSON_PARSER_CLASS + ".parse(__method.getResponse().getText())",
style)
+ ";");
}
i(-1).p("} catch (Throwable __e) {").i(1);
{
p(
"throw new "
+ RESPONSE_FORMAT_EXCEPTION_CLASS
+ "(\"Response was NOT a valid JSON document\", __e);");
}
i(-1).p("}");
}
}
i(-1).p("}");
}
i(-1).p("});");
}
i(-1).p("} catch (" + REQUEST_EXCEPTION_CLASS + " __e) {").i(1);
{
p(callbackArg.getName() + ".onFailure(__method,__e);");
}
i(-1).p("}");
}
}
i(-1).p("}");
}
/**
* Generates the client's asynchronous proxy method.
*
* @param serializableTypeOracle the type oracle
*/
protected void generateProxyMethod(
SourceWriter w,
SerializableTypeOracle serializableTypeOracle,
TypeOracle typeOracle,
JMethod syncMethod,
JMethod asyncMethod) {
w.println();
// Write the method signature
JType asyncReturnType = asyncMethod.getReturnType().getErasedType();
w.print("public ");
w.print(asyncReturnType.getQualifiedSourceName());
w.print(" ");
w.print(asyncMethod.getName() + "(");
boolean needsComma = false;
NameFactory nameFactory = new NameFactory();
JParameter[] asyncParams = asyncMethod.getParameters();
for (int i = 0; i < asyncParams.length; ++i) {
JParameter param = asyncParams[i];
if (needsComma) {
w.print(", ");
} else {
needsComma = true;
}
/*
* Ignoring the AsyncCallback parameter, if any method requires a call to
* SerializationStreamWriter.writeObject we need a try catch block
*/
JType paramType = param.getType();
paramType = paramType.getErasedType();
w.print(paramType.getQualifiedSourceName());
w.print(" ");
String paramName = param.getName();
nameFactory.addName(paramName);
w.print(paramName);
}
w.println(") {");
w.indent();
String helperName = nameFactory.createName("helper");
String helperClassName = RemoteServiceProxy.ServiceHelper.class.getCanonicalName();
w.println(
"%s %s = new %s(\"%s\", \"%s\");",
helperClassName, helperName, helperClassName, getProxySimpleName(), syncMethod.getName());
w.println("try {");
w.indent();
// Write the parameter count followed by the parameter values
JParameter[] syncParams = syncMethod.getParameters();
String streamWriterName = nameFactory.createName("streamWriter");
w.println(
"%s %s = %s.start(REMOTE_SERVICE_INTERFACE_NAME, %s);",
SerializationStreamWriter.class.getSimpleName(),
streamWriterName,
helperName,
syncParams.length);
for (JParameter param : syncParams) {
JType paramType = param.getType().getErasedType();
String typeNameExpression = computeTypeNameExpression(paramType);
assert typeNameExpression != null
: "Could not compute a type name for " + paramType.getQualifiedSourceName();
w.println(streamWriterName + ".writeString(" + typeNameExpression + ");");
}
// Encode all of the arguments to the asynchronous method, but exclude the
// last argument which is the callback instance.
//
for (int i = 0; i < asyncParams.length - 1; ++i) {
JParameter asyncParam = asyncParams[i];
w.print(streamWriterName + ".");
w.print(Shared.getStreamWriteMethodNameFor(asyncParam.getType()));
w.println("(" + asyncParam.getName() + ");");
}
/*
* Depending on the return type for the async method, return a
* RequestBuilder, a Request, or nothing at all.
*/
JParameter callbackParam = asyncParams[asyncParams.length - 1];
JType returnType = syncMethod.getReturnType();
String callbackName = callbackParam.getName();
if (asyncReturnType == JPrimitiveType.VOID) {
w.println(
"%s.finish(%s, ResponseReader.%s);",
helperName, callbackName, getResponseReaderFor(returnType).name());
} else if (asyncReturnType.getQualifiedSourceName().equals(RequestBuilder.class.getName())) {
w.println(
"return %s.finishForRequestBuilder(%s, ResponseReader.%s);",
helperName, callbackName, getResponseReaderFor(returnType).name());
} else if (asyncReturnType.getQualifiedSourceName().equals(Request.class.getName())) {
w.println(
"return %s.finish(%s, ResponseReader.%s);",
helperName, callbackName, getResponseReaderFor(returnType).name());
} else {
// This method should have been caught by RemoteServiceAsyncValidator
throw new RuntimeException(
"Unhandled return type " + asyncReturnType.getQualifiedSourceName());
}
w.outdent();
w.print("} catch (SerializationException ");
String exceptionName = nameFactory.createName("ex");
w.println(exceptionName + ") {");
w.indent();
if (!asyncReturnType.getQualifiedSourceName().equals(RequestBuilder.class.getName())) {
/*
* If the method returns void or Request, signal the serialization error
* immediately. If the method returns RequestBuilder, the error will be
* signaled whenever RequestBuilder.send() is invoked.
*/
w.println(callbackName + ".onFailure(" + exceptionName + ");");
}
if (asyncReturnType.getQualifiedSourceName().equals(RequestBuilder.class.getName())) {
w.println(
"return new "
+ FailingRequestBuilder.class.getName()
+ "("
+ exceptionName
+ ", "
+ callbackName
+ ");");
} else if (asyncReturnType.getQualifiedSourceName().equals(Request.class.getName())) {
w.println("return new " + FailedRequest.class.getName() + "();");
} else {
assert asyncReturnType == JPrimitiveType.VOID;
}
w.outdent();
w.println("}");
w.outdent();
w.println("}");
}
private void createFindMethod(SourceWriter sourceWriter) {
// We create more than one findMethod as the body of one method would be too large. This is the
// int that we
// increment to add to the name
// i.e. findMethod0()
int methodNum = 0;
// This int keeps track of how many methods are generated. When it gets to 200 we create a new
// findMethodX()
// and chain it to the previous.
int methodCount = 0;
sourceWriter.println(
"private GwtBindingMethod findOrCreateMethod(String obj, String methodName){ ");
sourceWriter.indent();
sourceWriter.println("GwtBindingMethod newMethod;");
// dummy first condition, rest are "else if". Keeps us from having conditional logic.
sourceWriter.println("if(false){ }");
for (JClassType type : implementingTypes) {
// close last method, chain it to a new one.
if (methodCount > 200) {
sourceWriter.println("return findOrCreateMethod" + (methodNum) + "(obj, methodName);");
sourceWriter.println("}");
sourceWriter.println(
"private GwtBindingMethod findOrCreateMethod"
+ (methodNum++)
+ "(String obj, String methodName){ ");
sourceWriter.println("GwtBindingMethod newMethod;");
// dummy first condition, rest are "else if". Keeps us from having conditional logic.
sourceWriter.println("if(false){ }");
methodCount = 0;
}
String keyRoot = generateTypeKey(type);
// if(type.isAbstract()){
// System.out.println("abstract");
// continue;
// }
// determine if there are any methods that are bindable before writing out conditional for
// class
JClassType loopType = type;
boolean hasBindableMethods = false;
JClassType eventSourceType = null;
try {
eventSourceType = typeOracle.getType("org.pentaho.ui.xul.XulEventSource");
} catch (NotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
// CHECKSTYLE IGNORE Indentation FOR NEXT 1 LINES
outer:
while (loopType.getSuperclass() != null
&& loopType.getSimpleSourceName().equals("Object") == false
&& loopType.isAssignableTo(eventSourceType)) {
for (JMethod m : loopType.getMethods()) {
if (m.isPublic() && m.getAnnotation(Bindable.class) != null) {
hasBindableMethods = true;
break outer;
}
}
loopType = loopType.getSuperclass();
}
if (hasBindableMethods == false) {
continue;
}
sourceWriter.println("else if(obj.equals(\"" + type.getQualifiedSourceName() + "\")){ ");
try {
loopType = type;
sourceWriter.indent();
// Loop over class heirarchy and generate methods for every object that is declared a
// XulEventSource
while (loopType.getSuperclass() != null
&& loopType.getSimpleSourceName().equals("Object") == false
&& loopType.isAssignableTo(eventSourceType)) {
String superName = generateTypeKey(loopType);
boolean first = true;
for (JMethod m : loopType.getMethods()) {
methodCount++;
if (!m.isPublic() || m.getAnnotation(Bindable.class) == null) {
continue;
}
sourceWriter.println(
(first ? "" : "else ") + "if(methodName.equals(\"" + m.getName() + "\")){ ");
if (first) {
first = false;
}
sourceWriter.indent();
String methodName = m.getName();
// check to see if we've already processed this classes' method. Point to that class
// instead.
if (generatedMethods.contains((superName + "_" + methodName).toLowerCase())
&& type != loopType) {
sourceWriter.println("return findOrCreateMethod(\"" + superName + "\", methodName);");
} else {
// See if it's already been created and cached. If so, return that.
String keyName = (keyRoot + "_" + methodName).toLowerCase();
sourceWriter.println(
"GwtBindingMethod found = wrappedTypes.get(\"" + keyName + "\");");
sourceWriter.println("if(found != null){");
sourceWriter.indent();
sourceWriter.println("return found;");
sourceWriter.outdent();
sourceWriter.println("} else {");
sourceWriter.indent();
// Not cached, create a new instance and put it in the cache.
sourceWriter.println("newMethod = new GwtBindingMethod(){");
sourceWriter.println(
"public Object invoke(Object obj, Object[] args) throws XulException { ");
sourceWriter.indent();
sourceWriter.println("try{");
sourceWriter.println(
loopType.getQualifiedSourceName()
+ " target = ("
+ loopType.getQualifiedSourceName()
+ ") obj;");
JParameter[] params = m.getParameters();
String argList = "";
int pos = 0;
for (JParameter param : params) {
if (pos > 0) {
argList += ", ";
}
argList += "(" + getTypeName(param.getType()) + ") args[" + pos + "]";
pos++;
}
if (isVoidReturn(m.getReturnType())) {
sourceWriter.println("target." + methodName + "(" + argList + ");");
sourceWriter.println("return null;");
} else {
sourceWriter.println(
"return " + boxReturnType(m) + " target." + methodName + "(" + argList + ");");
}
sourceWriter.println(
"}catch(Exception e){ e.printStackTrace(); throw new XulException(\"error with "
+ type.getQualifiedSourceName()
+ "\"+e.getMessage());}");
sourceWriter.println("}");
sourceWriter.outdent();
sourceWriter.println("};");
// Add it to the HashMap cache as type and decendant type if available.
sourceWriter.println("wrappedTypes.put((\"" + keyName + "\"), newMethod);");
if (keyRoot.equals(superName) == false) {
sourceWriter.println("wrappedTypes.put((\"" + keyName + "\"), newMethod);");
}
generatedMethods.add((keyRoot + "_" + methodName).toLowerCase());
generatedMethods.add((superName + "_" + methodName).toLowerCase());
sourceWriter.println("return newMethod;");
sourceWriter.outdent();
sourceWriter.println("}");
}
sourceWriter.outdent();
sourceWriter.println("}");
}
// go up a level in the heirarchy and check again.
loopType = loopType.getSuperclass();
}
sourceWriter.outdent();
sourceWriter.println("}");
} catch (Exception e) {
// record to logger that Map generation threw an exception
logger.log(TreeLogger.ERROR, "PropertyMap ERROR!!!", e);
}
}
sourceWriter.outdent();
// This is the end of the line, if not found return null.
sourceWriter.println("return null;");
sourceWriter.println("}");
}
private EntityProxyModel getEntityProxyType(JClassType entityProxyType)
throws UnableToCompleteException {
entityProxyType = ModelUtils.ensureBaseType(entityProxyType);
EntityProxyModel toReturn = peers.get(entityProxyType);
if (toReturn == null) {
EntityProxyModel.Builder inProgress = peerBuilders.get(entityProxyType);
if (inProgress != null) {
toReturn = inProgress.peek();
}
}
if (toReturn == null) {
EntityProxyModel.Builder builder = new EntityProxyModel.Builder();
peerBuilders.put(entityProxyType, builder);
// Validate possible super-proxy types first
for (JClassType supertype : entityProxyType.getFlattenedSupertypeHierarchy()) {
List<EntityProxyModel> superTypes = new ArrayList<EntityProxyModel>();
if (supertype != entityProxyType && shouldAttemptProxyValidation(supertype)) {
superTypes.add(getEntityProxyType(supertype));
}
builder.setSuperProxyTypes(superTypes);
}
builder.setQualifiedBinaryName(ModelUtils.getQualifiedBaseBinaryName(entityProxyType));
builder.setQualifiedSourceName(ModelUtils.getQualifiedBaseSourceName(entityProxyType));
if (entityProxyInterface.isAssignableFrom(entityProxyType)) {
builder.setType(Type.ENTITY);
} else if (valueProxyInterface.isAssignableFrom(entityProxyType)) {
builder.setType(Type.VALUE);
} else {
poison(
"The type %s is not assignable to either %s or %s",
entityProxyInterface.getQualifiedSourceName(),
valueProxyInterface.getQualifiedSourceName());
// Cannot continue, since knowing the behavior is crucial
die(poisonedMessage());
}
// Get the server domain object type
ProxyFor proxyFor = entityProxyType.getAnnotation(ProxyFor.class);
ProxyForName proxyForName = entityProxyType.getAnnotation(ProxyForName.class);
JsonRpcProxy jsonRpcProxy = entityProxyType.getAnnotation(JsonRpcProxy.class);
if (proxyFor == null && proxyForName == null && jsonRpcProxy == null) {
poison(
"The %s type does not have a @%s, @%s, or @%s annotation",
entityProxyType.getQualifiedSourceName(),
ProxyFor.class.getSimpleName(),
ProxyForName.class.getSimpleName(),
JsonRpcProxy.class.getSimpleName());
}
// Look at the methods declared on the EntityProxy
List<RequestMethod> requestMethods = new ArrayList<RequestMethod>();
Map<String, JMethod> duplicatePropertyGetters = new HashMap<String, JMethod>();
for (JMethod method : entityProxyType.getInheritableMethods()) {
if (method.getEnclosingType().equals(entityProxyInterface)) {
// Ignore methods on EntityProxy
continue;
}
RequestMethod.Builder methodBuilder = new RequestMethod.Builder();
methodBuilder.setDeclarationMethod(entityProxyType, method);
JType transportedType;
String name = method.getName();
if (JBeanMethod.GET.matches(method)) {
transportedType = method.getReturnType();
String propertyName = JBeanMethod.GET.inferName(method);
JMethod previouslySeen = duplicatePropertyGetters.get(propertyName);
if (previouslySeen == null) {
duplicatePropertyGetters.put(propertyName, method);
} else {
poison(
"Duplicate accessors for property %s: %s() and %s()",
propertyName, previouslySeen.getName(), method.getName());
}
} else if (JBeanMethod.SET.matches(method) || JBeanMethod.SET_BUILDER.matches(method)) {
transportedType = method.getParameters()[0].getType();
} else if (name.equals("stableId") && method.getParameters().length == 0) {
// Ignore any overload of stableId
continue;
} else {
poison("The method %s is neither a getter nor a setter", method.getReadableDeclaration());
continue;
}
validateTransportableType(methodBuilder, transportedType, false);
RequestMethod requestMethod = methodBuilder.build();
requestMethods.add(requestMethod);
}
builder
.setExtraTypes(checkExtraTypes(entityProxyType, false))
.setRequestMethods(requestMethods);
toReturn = builder.build();
peers.put(entityProxyType, toReturn);
peerBuilders.remove(entityProxyType);
}
return toReturn;
}
@Override
public String generate(TreeLogger logger, GeneratorContext context, String typeName)
throws UnableToCompleteException {
// make sure it is an interface
TypeOracle oracle = context.getTypeOracle();
propertyAccessInterface = oracle.findType(Name.getSourceNameForClass(PropertyAccess.class));
modelKeyProviderInterface = oracle.findType(Name.getSourceNameForClass(ModelKeyProvider.class));
valueProviderInterface = oracle.findType(Name.getSourceNameForClass(ValueProvider.class));
labelProviderInterface = oracle.findType(Name.getSourceNameForClass(LabelProvider.class));
JClassType toGenerate = oracle.findType(typeName).isInterface();
if (toGenerate == null) {
logger.log(TreeLogger.ERROR, typeName + " is not an interface type");
throw new UnableToCompleteException();
}
if (!toGenerate.isAssignableTo(propertyAccessInterface)) {
logger.log(Type.ERROR, "This isn't a PropertyAccess subtype...");
throw new UnableToCompleteException();
}
// Get the name of the new type
String packageName = toGenerate.getPackage().getName();
String simpleSourceName = toGenerate.getName().replace('.', '_') + "Impl";
PrintWriter pw = context.tryCreate(logger, packageName, simpleSourceName);
if (pw == null) {
return packageName + "." + simpleSourceName;
}
// start making the class, with basic imports
ClassSourceFileComposerFactory factory =
new ClassSourceFileComposerFactory(packageName, simpleSourceName);
factory.addImplementedInterface(typeName);
SourceWriter sw = factory.createSourceWriter(context, pw);
// for each method,
for (JMethod m : toGenerate.getOverridableMethods()) {
TreeLogger l = logger.branch(Type.DEBUG, "Building method: " + m.getReadableDeclaration());
// no support for params at this time
if (m.getParameters().length != 0) {
l.log(Type.ERROR, "Method " + m.toString() + " must not have parameters.");
throw new UnableToCompleteException();
}
// ask for the types that provide the property data
JClassType ret = m.getReturnType().isClassOrInterface();
final AbstractCreator c;
if (ret.isAssignableTo(valueProviderInterface)) {
c = new ValueProviderCreator(context, l, m);
} else if (ret.isAssignableTo(modelKeyProviderInterface)) {
c = new ModelKeyProviderCreator(context, l, m);
} else if (ret.isAssignableTo(labelProviderInterface)) {
c = new LabelProviderCreator(context, l, m);
} else {
logger.log(Type.ERROR, "Method uses a return type that cannot be generated");
throw new UnableToCompleteException();
}
c.create();
// build the method
// public ValueProvider<T, V> name() { return NameValueProvider.instance;
// }
sw.println("public %1$s %2$s() {", m.getReturnType().getQualifiedSourceName(), m.getName());
sw.indentln("return %1$s;", c.getInstanceExpression());
sw.println("}");
}
sw.commit(logger);
return factory.getCreatedClassName();
}
/**
* Write an entry in the methodMapNative for one type.
*
* @param type type to generate entry for
*/
private void writeTypeMethodsNative(JType type) {
srcWriter.indent();
String serializerName = SerializationUtils.getFieldSerializerName(typeOracle, type);
JClassType customSerializer =
SerializableTypeOracleBuilder.findCustomFieldSerializer(typeOracle, type);
// First the initialization method
if (deserializationOracle.maybeInstantiated(type)) {
srcWriter.print("@");
if (customSerializer != null) {
if (hasInstantiateMethod(customSerializer, type)) {
srcWriter.print(serializerName);
} else {
srcWriter.print(SerializationUtils.getStandardSerializerName((JClassType) type));
}
} else {
srcWriter.print(serializerName);
}
srcWriter.print("::instantiate");
srcWriter.print("(L" + SerializationStreamReader.class.getName().replace('.', '/') + ";)");
}
srcWriter.println(",");
// Now the deserialization method
if (deserializationOracle.isSerializable(type)) {
// Assume param type is the concrete type of the serialized type.
JType paramType = type;
if (customSerializer != null) {
// But a custom serializer may specify a looser type.
JMethod deserializationMethod =
CustomFieldSerializerValidator.getDeserializationMethod(
customSerializer, (JClassType) type);
paramType = deserializationMethod.getParameters()[1].getType();
}
srcWriter.print("@" + serializerName);
srcWriter.print(
"::deserialize(L"
+ SerializationStreamReader.class.getName().replace('.', '/')
+ ";"
+ paramType.getJNISignature()
+ ")");
}
srcWriter.println(",");
// Now the serialization method
if (serializationOracle.isSerializable(type)) {
// Assume param type is the concrete type of the serialized type.
JType paramType = type;
if (customSerializer != null) {
// But a custom serializer may specify a looser type.
JMethod serializationMethod =
CustomFieldSerializerValidator.getSerializationMethod(
customSerializer, (JClassType) type);
paramType = serializationMethod.getParameters()[1].getType();
}
srcWriter.print("@" + serializerName);
srcWriter.print(
"::serialize(L"
+ SerializationStreamWriter.class.getName().replace('.', '/')
+ ";"
+ paramType.getJNISignature()
+ ")");
srcWriter.println();
}
srcWriter.outdent();
}
