/**
* Computes a qualified name for named elements (types, methods, parameters, ...).
*
* @param object a model element.
* @param removeGenerics if we have to remove the generics.
* @return the qualified name or {@code null} if the object type is not a named type.
*/
public static String getQualifiedName(final ASTNode object, final boolean removeGenerics) {
StringBuilder buffer = new StringBuilder();
if (object instanceof UnresolvedItem) {
buffer.append(((UnresolvedItem) object).getName());
} else if (object instanceof AnnotationTypeMemberDeclaration) {
String containerQName = getQualifiedName((ASTNode) object.eContainer(), removeGenerics);
buffer.append(containerQName);
buffer.append("."); // $NON-NLS-1$
buffer.append(((AnnotationTypeMemberDeclaration) object).getName());
buffer.append("()"); // $NON-NLS-1$
} else if (object instanceof EnumConstantDeclaration) {
String containerQName = getQualifiedName((ASTNode) object.eContainer(), removeGenerics);
buffer.append(containerQName);
buffer.append("."); // $NON-NLS-1$
buffer.append(((EnumConstantDeclaration) object).getName());
} else if (object instanceof VariableDeclarationFragment) {
if (object.eContainer() instanceof FieldDeclaration) {
VariableDeclarationFragment singleVariableDeclaration =
(VariableDeclarationFragment) object;
String containerQN =
getQualifiedName(
(ASTNode) singleVariableDeclaration.eContainer().eContainer(), removeGenerics);
buffer.append(containerQN);
buffer.append("."); // $NON-NLS-1$
buffer.append(singleVariableDeclaration.getName());
}
} else if (object instanceof AbstractMethodDeclaration) {
AbstractMethodDeclaration methodDeclaration = (AbstractMethodDeclaration) object;
String containerQName = getQualifiedName((ASTNode) object.eContainer(), removeGenerics);
buffer.append(containerQName);
buffer.append('.');
buffer.append(methodDeclaration.getName());
buffer.append('(');
for (int i = 0; i < methodDeclaration.getParameters().size(); i++) {
if (i > 0) {
buffer.append(","); // $NON-NLS-1$
}
SingleVariableDeclaration svd = methodDeclaration.getParameters().get(i);
buffer.append(getQualifiedName(svd.getType(), true));
}
buffer.append(")"); // $NON-NLS-1$
} else if (object instanceof ArrayType) {
ArrayType arraytype = (ArrayType) object;
buffer.append(arraytype.getName());
} else if (object instanceof TypeParameter) {
TypeParameter typeParameter = (TypeParameter) object;
if (removeGenerics) {
if (typeParameter.getBounds().size() > 0) {
// get the erasure
buffer.append(getQualifiedName(typeParameter.getBounds().get(0), true));
} else {
buffer.append("java.lang.Object"); // $NON-NLS-1$
}
} else {
buffer.append(typeParameter.getName());
}
} else if (object instanceof WildCardType) {
WildCardType wildcardType = (WildCardType) object;
buffer.append(wildcardType.getName());
} else if (object instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) object;
if (removeGenerics) {
buffer.append(getQualifiedName(parameterizedType.getType(), removeGenerics));
} else {
buffer.append(parameterizedType.getName());
}
} else if (object instanceof AbstractTypeDeclaration) {
AbstractTypeDeclaration typeDeclaration = (AbstractTypeDeclaration) object;
if (typeDeclaration.eContainer() instanceof AbstractTypeDeclaration) {
AbstractTypeDeclaration superTypeDeclaration =
(AbstractTypeDeclaration) typeDeclaration.eContainer();
buffer.append(getQualifiedName(superTypeDeclaration, removeGenerics));
buffer.append('.');
} else if (typeDeclaration.eContainer() instanceof Package) {
Package packaje = (Package) typeDeclaration.eContainer();
buffer.append(getQualifiedName(packaje, removeGenerics));
buffer.append('.');
} else if (typeDeclaration.eContainer() instanceof Model) {
// No prefix if container is a Model instance
assert true; // misc statement for checkstyle rule
} else if (typeDeclaration.eContainer() != null) {
MoDiscoLogger.logWarning(
"Not managed type declaration: typeDeclaration.eContainer().getClass()= " //$NON-NLS-1$
,
JavaPlugin.getDefault());
} else {
MoDiscoLogger.logWarning(
"Type with null container" //$NON-NLS-1$
,
JavaPlugin.getDefault());
}
buffer.append(typeDeclaration.getName());
} else if (object instanceof Package) {
Package packaje = (Package) object;
if (packaje.eContainer() instanceof Package) {
Package superPackage = (Package) packaje.eContainer();
buffer.append(getQualifiedName(superPackage, removeGenerics));
buffer.append('.');
}
buffer.append(packaje.getName());
} else if (object instanceof TypeAccess) {
TypeAccess typeAccess = (TypeAccess) object;
buffer.append(getQualifiedName(typeAccess.getType(), removeGenerics));
} else if (object instanceof Model) {
Exception e =
new Exception(
"getQualified name should note be called with a model as parameter"); //$NON-NLS-1$
IStatus status = new Status(IStatus.ERROR, JavaPlugin.PLUGIN_ID, e.getMessage(), e);
JavaPlugin.getDefault().getLog().log(status);
} else if (object instanceof PrimitiveType) {
PrimitiveType primitiveType = (PrimitiveType) object;
buffer.append(primitiveType.getName());
} else if (object instanceof AnonymousClassDeclaration) {
// No qualified name for AnonymousClassDeclaration
assert true; // misc statement for checkstyle rule
} else if (object instanceof SingleVariableDeclaration) {
SingleVariableDeclaration singleVariableDeclaration = (SingleVariableDeclaration) object;
if (!(singleVariableDeclaration.eContainer() instanceof CatchClause)) {
buffer.append(
getQualifiedName((ASTNode) singleVariableDeclaration.eContainer(), removeGenerics));
buffer.append('.');
}
buffer.append(singleVariableDeclaration.getName());
} else if (object != null) {
Exception e =
new Exception(
"Not managed type: " //$NON-NLS-1$
+ object.getClass().getName());
IStatus status = new Status(IStatus.ERROR, JavaPlugin.PLUGIN_ID, e.getMessage(), e);
JavaPlugin.getDefault().getLog().log(status);
} else {
// May occur when parent model element is not complete (e.g.
// unresolved type of parameter of method)
// Exception e = new Exception("Null parameter");
// IStatus status = new Status(IStatus.ERROR, JavaPlugin.PLUGIN_ID,
// e
// .getMessage(), e);
// JavaPlugin.getDefault().getLog().log(status);
buffer.append("<<null>>"); // $NON-NLS-1$
}
if (Platform.inDebugMode() && JavaUtil.TRACE_GETQNAME) {
System.out.println(
"JavaUtil.getQualifiedName(EObject)= " //$NON-NLS-1$
+ buffer.toString());
}
return buffer.toString();
}
/**
* @param model
* @param searchedQualifiedName
* @param targets is the discoverer target hash map. This parameter is helpful to prevent
* discovery error caused by the visit of non valid model element.
* @return the model element or null if not found
*/
public static NamedElement getNamedElementByQualifiedName(
final Model model,
final String searchedQualifiedName,
final Map<String, NamedElement> targets) {
if (JavaUtil.TRACE_NE_BY_QN) {
System.out.println(
"Begin getNamedElementByQualifiedName(Model, String): " //$NON-NLS-1$
+ searchedQualifiedName);
}
NamedElement resultNamedElement = null;
JavaUtil javaUtil = new JavaUtil();
CurrentElement currentElement = javaUtil.new CurrentElement();
if (searchedQualifiedName == null) {
MoDiscoLogger.logError(
"JavaDiscovererUtils::getNamedElementByQualifiedName(): qualifiedName parameter is null", //$NON-NLS-1$
JavaPlugin.getDefault());
} else {
Iterator<Type> orphanTypes = model.getOrphanTypes().iterator();
while (orphanTypes.hasNext()) {
Type orphanType = orphanTypes.next();
if (searchedQualifiedName.equals(orphanType.getName())) {
resultNamedElement = orphanType;
}
}
boolean end = false;
while (currentElement.nextIndex() && resultNamedElement == null) {
while (resultNamedElement == null && !end && currentElement.hasChanged2()) {
try {
if (currentElement.isEmpty()) {
Iterator<Package> packages = model.getOwnedElements().iterator();
while (packages.hasNext() && resultNamedElement == null
/* && !currentElement.hasChanged() */ ) {
Package packaje = packages.next();
String currentPackageName = JavaUtil.getQualifiedName(packaje, false);
if (searchedQualifiedName.startsWith(currentPackageName)) {
if (searchedQualifiedName.equals(currentPackageName)) {
resultNamedElement = packaje;
} else {
currentElement.setElement(packaje);
}
}
}
} else {
if (currentElement.getElement() instanceof Package) {
Package packaje = (Package) currentElement.getElement();
Iterator<Package> packages = packaje.getOwnedPackages().iterator();
while (packages.hasNext() && resultNamedElement == null
/* && !currentElement.hasChanged() */ ) {
Package subpackage = packages.next();
String subPackageName = JavaUtil.getQualifiedName(subpackage, false);
if (searchedQualifiedName.startsWith(subPackageName)) {
if (searchedQualifiedName.equals(subPackageName)) {
resultNamedElement = subpackage;
} else {
currentElement.setElement(subpackage);
}
}
}
Iterator<AbstractTypeDeclaration> abstractTypeDeclarations =
packaje.getOwnedElements().iterator();
while (abstractTypeDeclarations.hasNext() && (resultNamedElement == null)
/* && (!currentElement.hasChanged()) */ ) {
AbstractTypeDeclaration atd = abstractTypeDeclarations.next();
String atdName = JavaUtil.getQualifiedName(atd, false);
if (searchedQualifiedName.startsWith(atdName)) {
if (searchedQualifiedName.equals(atdName)) {
resultNamedElement = atd;
} else {
currentElement.setElement(atd);
}
}
}
} else if (currentElement.getElement() instanceof AbstractTypeDeclaration) {
AbstractTypeDeclaration abstractTypeDeclaration =
(AbstractTypeDeclaration) currentElement.getElement();
List<BodyDeclaration> bodyDeclarations =
abstractTypeDeclaration.getBodyDeclarations();
// for enums, we have to retrieve enums
// constants
if (abstractTypeDeclaration instanceof EnumDeclaration) {
bodyDeclarations.addAll(
((EnumDeclaration) abstractTypeDeclaration).getEnumConstants());
}
Iterator<BodyDeclaration> it = bodyDeclarations.iterator();
while (it.hasNext() && resultNamedElement == null
/* && !currentElement.hasChanged() */ ) {
BodyDeclaration bodyDeclaration = it.next();
if (bodyDeclaration instanceof AbstractTypeDeclaration) {
AbstractTypeDeclaration subAbstractTypeDeclaration =
(AbstractTypeDeclaration) bodyDeclaration;
String subATDQN = JavaUtil.getQualifiedName(subAbstractTypeDeclaration, false);
if (searchedQualifiedName.startsWith(subATDQN)) {
if (searchedQualifiedName.equals(subATDQN)) {
resultNamedElement = subAbstractTypeDeclaration;
} else {
currentElement.setElement(subAbstractTypeDeclaration);
}
}
} else if (!targets.containsValue(bodyDeclaration)) {
if (bodyDeclaration instanceof AbstractMethodDeclaration) {
AbstractMethodDeclaration abstractMethodDeclaration =
(AbstractMethodDeclaration) bodyDeclaration;
String amdQN = JavaUtil.getQualifiedName(abstractMethodDeclaration, true);
if (amdQN.contains("<<null>>")) { // $NON-NLS-1$
IStatus status =
new Status(
IStatus.WARNING,
JavaPlugin.PLUGIN_ID,
"Failed to compute qualifiedName:" //$NON-NLS-1$
+ amdQN
+ " ; searchedQualifiedName= " //$NON-NLS-1$
+ searchedQualifiedName,
new Exception());
JavaPlugin.getDefault().getLog().log(status);
}
if (searchedQualifiedName.startsWith(amdQN)) {
if (searchedQualifiedName.equals(amdQN)) {
resultNamedElement = abstractMethodDeclaration;
} else {
currentElement.setElement(abstractMethodDeclaration);
}
}
} else if (bodyDeclaration instanceof FieldDeclaration) {
FieldDeclaration fieldDeclaration = (FieldDeclaration) bodyDeclaration;
Iterator<VariableDeclarationFragment> variableDeclarationFragments =
fieldDeclaration.getFragments().iterator();
while (variableDeclarationFragments.hasNext()) {
VariableDeclarationFragment variableDeclarationFragment =
variableDeclarationFragments.next();
String variableDeclarationFragmentQN =
JavaUtil.getQualifiedName(variableDeclarationFragment, false);
if (searchedQualifiedName.equals(variableDeclarationFragmentQN)) {
resultNamedElement = variableDeclarationFragment;
}
}
} else if (bodyDeclaration instanceof EnumConstantDeclaration) {
EnumConstantDeclaration enumConstantDeclaration =
(EnumConstantDeclaration) bodyDeclaration;
String enumConstantQN =
JavaUtil.getQualifiedName(enumConstantDeclaration, false);
if (searchedQualifiedName.equals(enumConstantQN)) {
resultNamedElement = enumConstantDeclaration;
}
} else if (bodyDeclaration instanceof AnnotationTypeMemberDeclaration) {
AnnotationTypeMemberDeclaration annoMemberDeclaration =
(AnnotationTypeMemberDeclaration) bodyDeclaration;
String enumConstantQN =
JavaUtil.getQualifiedName(annoMemberDeclaration, false);
if (searchedQualifiedName.equals(enumConstantQN)) {
resultNamedElement = annoMemberDeclaration;
}
} else if (bodyDeclaration instanceof Initializer) {
// Nothing to do
assert true; // misc statement for
// checkstyle rule
} else {
throw new RuntimeException(
"Unexpected type in an AbstractTypeDeclaration contaiment: " //$NON-NLS-1$
+ bodyDeclaration.getClass().getName());
}
}
}
} else {
end = true;
}
}
} catch (Exception e) {
RuntimeException runtimeException =
new RuntimeException(
"getNamedElementByQualifiedName failed while reading:" //$NON-NLS-1$
+ JavaUtil.getQualifiedName((ASTNode) currentElement.getElement(), false),
e);
IStatus status =
new Status(
IStatus.ERROR,
JavaPlugin.PLUGIN_ID,
runtimeException.getMessage(),
runtimeException);
JavaPlugin.getDefault().getLog().log(status);
throw runtimeException;
}
}
}
if (JavaUtil.TRACE_NE_BY_QN) {
System.out.println(
"End getNamedElementByQualifiedName(Model, String): result=" //$NON-NLS-1$
+ resultNamedElement);
}
}
return resultNamedElement;
}
