@Override
public String generate(TreeLogger logger, GeneratorContext context, String typeName)
throws UnableToCompleteException {
this.logger = logger;
typeOracle = context.getTypeOracle();
try {
// find XulEventSource implementors
implementingTypes = new ArrayList<JClassType>();
JClassType eventSourceType = typeOracle.getType("org.pentaho.ui.xul.XulEventSource");
for (JClassType type : typeOracle.getTypes()) {
if (type.isAssignableTo(eventSourceType)) {
implementingTypes.add(type);
}
}
// get classType and save instance variables
JClassType classType = typeOracle.getType(typeName);
packageName = classType.getPackage().getName();
className = classType.getSimpleSourceName() + "Impl";
// Generate class source code
generateClass(logger, context);
} catch (Exception e) {
// record to logger that Map generation threw an exception
logger.log(TreeLogger.ERROR, "Error generating BindingContext!!!", e);
}
// return the fully qualifed name of the class generated
return packageName + "." + className;
}
/**
* Add the implicit root types that are needed to make RPC work. These would be {@link String} and
* {@link IncompatibleRemoteServiceException}.
*/
private static void addRequiredRoots(
TreeLogger logger, TypeOracle typeOracle, SerializableTypeOracleBuilder stob)
throws NotFoundException {
logger = logger.branch(TreeLogger.DEBUG, "Analyzing implicit types");
// String is always instantiable.
JClassType stringType = typeOracle.getType(String.class.getName());
stob.addRootType(logger, stringType);
// IncompatibleRemoteServiceException is always serializable
JClassType icseType = typeOracle.getType(IncompatibleRemoteServiceException.class.getName());
stob.addRootType(logger, icseType);
}
private JClassType getType(TypeOracle oracle, Class cls) {
try {
return oracle.getType(cls.getName());
} catch (NotFoundException e) {
throw new RuntimeException(e);
}
}
public static MetaClass newInstance(final TypeOracle oracle, final String type) {
try {
return newUncachedInstance(oracle, oracle.getType(type));
} catch (NotFoundException e) {
return null;
}
}
@Override
public String generate(TreeLogger logger, GeneratorContext genCtx, String fqInterfaceName)
throws UnableToCompleteException {
TypeOracle oracle = genCtx.getTypeOracle();
ResourceOracle resourceOracle = genCtx.getResourcesOracle();
JClassType interfaceType;
try {
interfaceType = oracle.getType(fqInterfaceName);
} catch (NotFoundException e) {
throw new RuntimeException(e);
}
DesignTimeUtils designTime;
if (DesignTimeUtilsImpl.isDesignTime(fqInterfaceName)) {
designTime = new DesignTimeUtilsImpl();
} else {
designTime = DesignTimeUtilsStub.EMPTY;
}
String implName = interfaceType.getName().replace('.', '_') + "Impl";
implName = designTime.getImplName(implName);
String packageName = interfaceType.getPackage().getName();
PrintWriterManager writers = new PrintWriterManager(genCtx, logger, packageName);
PrintWriter printWriter = writers.tryToMakePrintWriterFor(implName);
if (printWriter != null) {
generateOnce(
interfaceType,
implName,
printWriter,
logger,
oracle,
resourceOracle,
genCtx.getPropertyOracle(),
writers,
designTime);
}
return packageName + "." + implName;
}
/**
* Generate an implementation for the given type.
*
* @param logger error logger
* @param context generator context
* @param typeName target type name
* @return generated class name
* @throws UnableToCompleteException
*/
@Override
public final String generate(TreeLogger logger, GeneratorContext context, String typeName)
throws UnableToCompleteException {
assert CURRENCY_LIST.equals(typeName);
TypeOracle typeOracle = context.getTypeOracle();
PropertyOracle propertyOracle = context.getPropertyOracle();
LocaleUtils localeUtils = LocaleUtils.getInstance(logger, propertyOracle, context);
GwtLocale locale = localeUtils.getCompileLocale();
Set<GwtLocale> runtimeLocales = localeUtils.getRuntimeLocales();
JClassType targetClass;
try {
targetClass = typeOracle.getType(typeName);
} catch (NotFoundException e) {
logger.log(TreeLogger.ERROR, "No such type", e);
throw new UnableToCompleteException();
}
if (runtimeLocales.isEmpty()) {
return generateLocaleTree(logger, context, targetClass, locale);
}
CachedGeneratorContext cachedContext = new CachedGeneratorContext(context);
return generateRuntimeSelection(logger, cachedContext, targetClass, locale, runtimeLocales);
}
/** 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 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("}");
}
