@Override
public MetaMethod[] getMethods() {
final Set<MetaMethod> meths = new LinkedHashSet<MetaMethod>();
meths.addAll(getSpecialTypeMethods());
JClassType type = getEnclosedMetaObject().isClassOrInterface();
if (type == null) {
return null;
}
do {
for (final JMethod jMethod : type.getMethods()) {
if (!jMethod.isPrivate()) {
meths.add(new GWTMethod(oracle, jMethod));
}
}
for (final JClassType interfaceType : type.getImplementedInterfaces()) {
meths.addAll(Arrays.asList(GWTClass.newInstance(oracle, interfaceType).getMethods()));
}
} while ((type = type.getSuperclass()) != null
&& !type.getQualifiedSourceName().equals("java.lang.Object"));
meths.addAll(overrideMethods);
return meths.toArray(new MetaMethod[meths.size()]);
}
Collection<JMethod> extractMethods(
TreeLogger logger, SourceBuilder<ModelMagic> sb, GeneratorContext ctx, JClassType type)
throws UnableToCompleteException {
assert type.isInterface() != null;
ModelMagic models = sb.getPayload();
Map<String, JMethod> uniqueMethods = new LinkedHashMap<String, JMethod>();
JMethod[] existing = type.getInheritableMethods();
Set<? extends JClassType> hierarchy = type.getFlattenedSupertypeHierarchy();
if (ModelGeneratorGwt.allAbstract(existing)) {
// still an interface; grab our root type.
existing = models.getRootType(logger, ctx).getInheritableMethods();
}
for (JMethod method : existing) {
if (!method.isAbstract())
uniqueMethods.put(xapi.dev.model.ModelGeneratorGwt.toSignature(method), method);
}
boolean debug = logger.isLoggable(Type.DEBUG);
for (JClassType next : hierarchy) {
if (next.isInterface() != null) {
sb.getClassBuffer().addInterfaces(next.getQualifiedSourceName());
for (JMethod method : next.getMethods()) {
String sig = ModelGeneratorGwt.toSignature(method);
if (!uniqueMethods.containsKey(sig)) uniqueMethods.put(sig, method);
}
} else {
for (JMethod method : next.getMethods()) {
String sig = ModelGeneratorGwt.toSignature(method);
if (uniqueMethods.containsKey(sig)) {
if (debug)
logger.log(
Type.WARN,
"Found multiple model methods for "
+ type.getName()
+ "::"
+ sig
+ "; preferring method from "
+ uniqueMethods.get(sig).getEnclosingType().getName());
} else {
uniqueMethods.put(sig, method);
}
}
}
}
return uniqueMethods.values();
}
@Override
public MetaMethod[] getDeclaredMethods() {
final JClassType type = getEnclosedMetaObject().isClassOrInterface();
if (type == null) {
return null;
}
return fromMethodArray(oracle, type.getMethods());
}
/**
* @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(");");
}
}
}
}
/** Find the to-be-exported method within a class. */
private JMethod findExportedMethod(TreeLogger logger, JClassType clazz)
throws UnableToCompleteException {
JMethod[] methods = clazz.getMethods();
if (methods.length == 0) {
logger.log(
TreeLogger.ERROR, "The JSFunction interface did not " + "declare any functions.", null);
throw new UnableToCompleteException();
} else if (methods.length == 1) {
return methods[0];
}
try {
JMethod toReturn = null;
for (JMethod method : methods) {
if (JSWrapperGenerator.hasTag(logger, method, Exported.class) != null) {
if (toReturn == null) {
toReturn = method;
} else {
// Can't declare two methods with export annotations
throw new UnableToCompleteException();
}
}
}
if (toReturn != null) {
return toReturn;
} else {
// Didn't find any methods with an export annotation
throw new UnableToCompleteException();
}
} catch (UnableToCompleteException e) {
logger.log(
TreeLogger.ERROR,
"JSFunctions with multiple methods must "
+ " specify exactly one method with an "
+ Exported.class.getName()
+ " annotation.",
null);
throw e;
}
}
@Override
public void visitClientRpc(TreeLogger logger, JClassType type, ConnectorBundle bundle)
throws UnableToCompleteException {
checkGenericType(logger, type);
Set<? extends JClassType> hierarchy = type.getFlattenedSupertypeHierarchy();
for (JClassType subType : hierarchy) {
JMethod[] methods = subType.getMethods();
for (JMethod method : methods) {
checkReturnType(logger, method);
bundle.setNeedsInvoker(type, method);
bundle.setNeedsParamTypes(type, method);
if (method.getAnnotation(NoLayout.class) != null) {
bundle.setMethodAttribute(type, method, MethodAttribute.NO_LAYOUT);
}
JType[] parameterTypes = method.getParameterTypes();
for (JType paramType : parameterTypes) {
bundle.setNeedsSerialize(paramType);
}
}
}
}
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 RequestQueueModel collectModel(
TreeLogger logger, GeneratorContext context, JClassType toGenerate)
throws UnableToCompleteException {
RequestQueueModel.Builder rqBuilder = new RequestQueueModel.Builder();
TypeOracle typeOracle = context.getTypeOracle();
JClassType requestQueue = typeOracle.findType(RequestQueue.class.getName());
JClassType asyncCallback = typeOracle.findType(AsyncCallback.class.getName());
JClassType voidType = typeOracle.findType(Void.class.getName());
rqBuilder.setRequestQueueInterfaceName(toGenerate.getParameterizedQualifiedSourceName());
AsyncServiceModel.Builder serviceBuilder = new AsyncServiceModel.Builder();
for (JMethod m : toGenerate.getMethods()) {
TreeLogger serviceLogger =
logger.branch(Type.DEBUG, "Reading async service " + m.getReadableDeclaration());
// Skip those defined at RequestQueue
if (m.getEnclosingType().equals(requestQueue)) {
continue;
}
JClassType returnType = m.getReturnType().isClassOrInterface();
if (returnType == null) {
serviceLogger.log(Type.ERROR, "Unexpected method return type " + returnType);
throw new UnableToCompleteException();
}
serviceBuilder.setAsyncServiceInterfaceName(returnType.getParameterizedQualifiedSourceName());
serviceBuilder.setDeclaredMethodName(m.getName());
Service serviceAnnotation = m.getAnnotation(Service.class);
if (serviceAnnotation == null) {
serviceLogger.log(Type.ERROR, "Missing @Service annotation");
throw new UnableToCompleteException();
}
serviceBuilder.setService(serviceAnnotation.value().getName());
AsyncServiceMethodModel.Builder methodBuilder = new AsyncServiceMethodModel.Builder();
for (JMethod asyncMethod : m.getReturnType().isClassOrInterface().getMethods()) {
TreeLogger methodLogger =
serviceLogger.branch(
Type.DEBUG, "Reading service method " + asyncMethod.getReadableDeclaration());
List<JType> types = new ArrayList<JType>();
methodBuilder.setReturnTypeName(voidType.getParameterizedQualifiedSourceName());
boolean asyncFound = false;
for (JType param : asyncMethod.getParameterTypes()) {
if (asyncFound) {
methodLogger.log(
Type.WARN, "Already passed an AsyncCallback param - is that what you meant?");
}
if (param.isClassOrInterface() != null
&& param.isClassOrInterface().isAssignableTo(asyncCallback)) {
JClassType boxedReturnType =
ModelUtils.findParameterizationOf(asyncCallback, param.isClassOrInterface())[0];
methodBuilder
.setHasCallback(true)
.setReturnTypeName(boxedReturnType.getParameterizedQualifiedSourceName());
asyncFound = true;
continue; // should be last, check for this...
}
types.add(param);
}
Set<JClassType> throwables = new HashSet<JClassType>();
Throws t = asyncMethod.getAnnotation(Throws.class);
if (t != null) {
for (Class<? extends Throwable> throwable : t.value()) {
throwables.add(typeOracle.findType(throwable.getName()));
}
}
methodBuilder
.setMethodName(asyncMethod.getName())
.setArgTypes(types)
.setThrowables(throwables);
serviceBuilder.addMethod(methodBuilder.build());
}
rqBuilder.addService(serviceBuilder.build());
}
return rqBuilder.build();
}
