public JvmParameterizedTypeReference createTypeRef(JvmType type, JvmTypeReference... typeArgs) {
List<JvmTypeReference> typeReferences = Collections.emptyList();
if (typeArgs != null && typeArgs.length > 0) {
typeReferences = newArrayListWithCapacity(typeArgs.length);
for (int i = 0; i < typeArgs.length; i++) {
JvmTypeReference jvmTypeReference = typeArgs[i];
typeReferences.add(EcoreUtil2.clone(jvmTypeReference));
}
}
if (type instanceof JvmGenericType) {
List<JvmTypeParameter> list = ((JvmGenericType) type).getTypeParameters();
if (!typeReferences.isEmpty() && list.size() != typeReferences.size()) {
throw new IllegalArgumentException(
"The type "
+ type.getIdentifier()
+ " expects "
+ list.size()
+ " type arguments, but was "
+ typeReferences.size()
+ ". Either pass zero arguments (raw type) or the correct number.");
}
// Raw type -> create type references to type param
if (typeReferences.isEmpty() && !list.isEmpty()) {
typeReferences = newArrayListWithCapacity(list.size());
for (JvmTypeParameter typeParameter : list) {
typeReferences.add(createTypeRef(typeParameter));
}
}
}
JvmParameterizedTypeReference reference = factory.createJvmParameterizedTypeReference();
reference.setType(type);
if (!typeReferences.isEmpty()) reference.getArguments().addAll(typeReferences);
return reference;
}
public void serialize(
final JvmTypeReference type,
EObject context,
IAppendable appendable,
boolean withoutConstraints,
boolean paramsToWildcard,
boolean paramsToObject,
boolean allowPrimitives) {
IAppendable tracedAppendable = appendable;
boolean tracing = false;
if (appendable instanceof ITreeAppendable && type.eResource() == context.eResource()) {
tracedAppendable = ((ITreeAppendable) appendable).trace(type);
tracing = true;
}
if (type instanceof JvmWildcardTypeReference) {
JvmWildcardTypeReference wildcard = (JvmWildcardTypeReference) type;
if (!withoutConstraints) {
tracedAppendable.append("?");
}
if (!wildcard.getConstraints().isEmpty()) {
for (JvmTypeConstraint constraint : wildcard.getConstraints()) {
if (constraint instanceof JvmLowerBound) {
if (!withoutConstraints) tracedAppendable.append(" super ");
serialize(
constraint.getTypeReference(),
context,
tracedAppendable,
withoutConstraints,
paramsToWildcard,
paramsToObject,
false);
return;
}
}
boolean first = true;
for (JvmTypeConstraint constraint : wildcard.getConstraints()) {
if (constraint instanceof JvmUpperBound) {
if (first) {
if (!withoutConstraints) tracedAppendable.append(" extends ");
first = false;
} else {
if (withoutConstraints)
throw new IllegalStateException(
"cannot have two upperbounds if type should be printed without constraints");
tracedAppendable.append(" & ");
}
serialize(
constraint.getTypeReference(),
context,
tracedAppendable,
withoutConstraints,
paramsToWildcard,
paramsToObject,
false);
}
}
} else if (withoutConstraints) {
tracedAppendable.append("Object");
}
} else if (type instanceof JvmGenericArrayTypeReference) {
serialize(
((JvmGenericArrayTypeReference) type).getComponentType(),
context,
tracedAppendable,
withoutConstraints,
paramsToWildcard,
paramsToObject,
true);
tracedAppendable.append("[]");
} else if (type instanceof JvmParameterizedTypeReference) {
JvmParameterizedTypeReference parameterized = (JvmParameterizedTypeReference) type;
if ((paramsToWildcard || paramsToObject)
&& parameterized.getType() instanceof JvmTypeParameter) {
JvmTypeParameter parameter = (JvmTypeParameter) parameterized.getType();
if (!isLocalTypeParameter(context, parameter)) {
if (paramsToWildcard) tracedAppendable.append("?");
else tracedAppendable.append("Object");
return;
}
}
JvmType jvmType =
allowPrimitives ? type.getType() : primitives.asWrapperTypeIfPrimitive(type).getType();
if (tracing) {
ITextRegion region =
locationProvider.getFullTextRegion(
type, TypesPackage.Literals.JVM_PARAMETERIZED_TYPE_REFERENCE__TYPE, 0);
if (region instanceof ITextRegionWithLineInformation) {
((ITreeAppendable) tracedAppendable)
.trace(new LocationData((ITextRegionWithLineInformation) region, null))
.append(jvmType);
} else {
tracedAppendable.append(jvmType);
}
} else {
tracedAppendable.append(jvmType);
}
if (!parameterized.getArguments().isEmpty()) {
tracedAppendable.append("<");
for (int i = 0; i < parameterized.getArguments().size(); i++) {
if (i != 0) {
tracedAppendable.append(",");
}
serialize(
parameterized.getArguments().get(i),
context,
tracedAppendable,
withoutConstraints,
paramsToWildcard,
paramsToObject,
false);
}
tracedAppendable.append(">");
}
} else if (type instanceof JvmAnyTypeReference) {
tracedAppendable.append("Object");
} else if (type instanceof JvmMultiTypeReference) {
serialize(
resolveMultiType(type, context),
context,
tracedAppendable,
withoutConstraints,
paramsToWildcard,
paramsToObject,
allowPrimitives);
} else if (type instanceof JvmDelegateTypeReference) {
JvmTypeReference delegate = ((JvmDelegateTypeReference) type).getDelegate();
if (delegate != null)
serialize(
delegate,
context,
tracedAppendable,
withoutConstraints,
paramsToWildcard,
paramsToObject,
allowPrimitives);
else tracedAppendable.append("Object");
} else if (type instanceof JvmSpecializedTypeReference) {
serialize(
((JvmSpecializedTypeReference) type).getEquivalent(),
context,
tracedAppendable,
withoutConstraints,
paramsToWildcard,
paramsToObject,
allowPrimitives);
} else if (type instanceof JvmUnknownTypeReference) {
if (type.eIsSet(TypesPackage.Literals.JVM_UNKNOWN_TYPE_REFERENCE__QUALIFIED_NAME)) {
tracedAppendable.append(type.getQualifiedName());
} else {
tracedAppendable.append("Object");
}
} else {
throw new IllegalArgumentException(String.valueOf(type));
}
}