Java Code Examples for org.eclipse.jdt.core.dom.ITypeBinding#isMember()

/**
 * Converts the given <code>ITypeBinding</code> into a <code>IType</code>
 * using the classpath defined by the given Java project. Returns <code>null</code>
 * if the conversion isn't possible.
 */
public static IType find(ITypeBinding type, IJavaProject scope) throws JavaModelException {
    if (type.isPrimitive())
        return null;
    String[] typeElements= getNameComponents(type);
    IJavaElement element= scope.findElement(getPathToCompilationUnit(type.getPackage(), typeElements[0]));
    IType candidate= null;
    if (element instanceof ICompilationUnit) {
        candidate= ((ICompilationUnit)element).getType(typeElements[0]);
    } else if (element instanceof IClassFile) {
        candidate= ((IClassFile)element).getType();
    } else if (element == null){
        if (type.isMember())
            candidate= findType(scope, getFullyQualifiedImportName(type.getDeclaringClass()));
        else
            candidate= findType(scope, getFullyQualifiedImportName(type));
    }
    
    if (candidate == null || typeElements.length == 1)
        return candidate;
        
    return findTypeInType(typeElements, candidate);
}
 

/**
 * Fill-in the "Super Class" and "Super Interfaces" fields.
 * @param page the wizard page.
 */
private void fillInWizardPageSuperTypes(NewTypeWizardPage page) {
	ITypeBinding type= getPossibleSuperTypeBinding(fNode);
	type= Bindings.normalizeTypeBinding(type);
	if (type != null) {
		if (type.isArray()) {
			type= type.getElementType();
		}
		if (type.isTopLevel() || type.isMember()) {
			if (type.isClass() && (fTypeKind == K_CLASS)) {
				page.setSuperClass(type.getQualifiedName(), true);
			} else if (type.isInterface()) {
				List<String> superInterfaces= new ArrayList<String>();
				superInterfaces.add(type.getQualifiedName());
				page.setSuperInterfaces(superInterfaces, true);
			}
		}
	}
}
 

@Override
ParameterNameInitializer createParameterNameInitializer(
		IMethodBinding method,
		WorkingCopyOwner workingCopyOwner,
		JvmExecutable result,
		String handleIdentifier,
		String[] path,
		String name,
		SegmentSequence signaturex) {
	if (method.isConstructor()) {
		ITypeBinding declarator = method.getDeclaringClass();
		if (declarator.isEnum()) {
			return new EnumConstructorParameterNameInitializer(workingCopyOwner, result, handleIdentifier, path, name, signaturex);
		}
		if (declarator.isMember()) {
			return new ParameterNameInitializer(workingCopyOwner, result, handleIdentifier, path, name, signaturex) {
				@Override
				protected void setParameterNames(IMethod javaMethod, java.util.List<JvmFormalParameter> parameters) throws JavaModelException {
					String[] parameterNames = javaMethod.getParameterNames();
					int size = parameters.size();
					if (size == parameterNames.length) {
						super.setParameterNames(javaMethod, parameters);
					} else if (size == parameterNames.length - 1) {
						for (int i = 1; i < parameterNames.length; i++) {
							String string = parameterNames[i];
							parameters.get(i - 1).setName(string);
						}
					} else {
						throw new IllegalStateException("unmatching arity for java method "+javaMethod.toString()+" and "+getExecutable().getIdentifier());
					}
				}
			};
		}
	}
	return new ParameterNameInitializer(workingCopyOwner, result, handleIdentifier, path, name, signaturex);
}
 

/**
 * Returns a type reference for the given type binding. If the binding is null, an {@link JvmUnknownTypeReference unknown}
 * type reference is returned.
 */
// @NonNull 
protected JvmTypeReference createTypeReference(/* @Nullable */ ITypeBinding typeBinding) {
	if (typeBinding == null) {
		return TypesFactory.eINSTANCE.createJvmUnknownTypeReference();
	}
	if (typeBinding.isArray()) {
		ITypeBinding componentType = typeBinding.getComponentType();
		JvmTypeReference componentTypeReference = createTypeReference(componentType);
		JvmGenericArrayTypeReference typeReference = TypesFactory.eINSTANCE.createJvmGenericArrayTypeReference();
		typeReference.setComponentType(componentTypeReference);
		return typeReference;
	}
	ITypeBinding outer = null;
	if (typeBinding.isMember() && !Modifier.isStatic(typeBinding.getModifiers())) {
		outer = typeBinding.getDeclaringClass();
	}
	JvmParameterizedTypeReference result;
	if (outer != null) {
		JvmParameterizedTypeReference outerReference = (JvmParameterizedTypeReference) createTypeReference(outer);
		result = TypesFactory.eINSTANCE.createJvmInnerTypeReference();
		((JvmInnerTypeReference) result).setOuter(outerReference);
	} else {
		result = TypesFactory.eINSTANCE.createJvmParameterizedTypeReference();
	}
	ITypeBinding[] typeArguments = typeBinding.getTypeArguments();
	if (typeArguments.length != 0) {
		ITypeBinding erasure = typeBinding.getErasure();
		result.setType(createProxy(erasure));
		InternalEList<JvmTypeReference> arguments = (InternalEList<JvmTypeReference>)result.getArguments();
		for (int i = 0; i < typeArguments.length; i++) {
			JvmTypeReference argument = createTypeArgument(typeArguments[i]);
			arguments.addUnique(argument);
		}
	} else {
		result.setType(createProxy(typeBinding));
	}
	return result;
}
 

/**
 * Initialized the type from the given binding
 *
 * @param binding the binding to initialize from
 */
protected void initialize(ITypeBinding binding) {
	fBindingKey= binding.getKey();
	Assert.isNotNull(fBindingKey);
	fModifiers= binding.getModifiers();
	if (binding.isClass()) {
		fFlags= F_IS_CLASS;
	// the annotation test has to be done before test for interface
	// since annotations are interfaces as well.
	} else if (binding.isAnnotation()) {
		fFlags= F_IS_ANNOTATION | F_IS_INTERFACE;
	} else if (binding.isInterface()) {
		fFlags= F_IS_INTERFACE;
	} else if (binding.isEnum()) {
		fFlags= F_IS_ENUM;
	}

	if (binding.isTopLevel()) {
		fFlags|= F_IS_TOP_LEVEL;
	} else if (binding.isNested()) {
		fFlags|= F_IS_NESTED;
		if (binding.isMember()) {
			fFlags|= F_IS_MEMBER;
		} else if (binding.isLocal()) {
			fFlags|= F_IS_LOCAL;
		} else if (binding.isAnonymous()) {
			fFlags|= F_IS_ANONYMOUS;
		}
	}
}
 

private boolean needsImport(ITypeBinding typeBinding, SimpleName ref) {
	if (!typeBinding.isTopLevel() && !typeBinding.isMember() || typeBinding.isRecovered()) {
		return false; // no imports for anonymous, local, primitive types or parameters types
	}
	int modifiers= typeBinding.getModifiers();
	if (Modifier.isPrivate(modifiers)) {
		return false; // imports for privates are not required
	}
	ITypeBinding currTypeBinding= Bindings.getBindingOfParentType(ref);
	if (currTypeBinding == null) {
		if (ASTNodes.getParent(ref, ASTNode.PACKAGE_DECLARATION) != null) {
			return true; // reference in package-info.java
		}
		return false; // not in a type
	}
	if (!Modifier.isPublic(modifiers)) {
		if (!currTypeBinding.getPackage().getName().equals(typeBinding.getPackage().getName())) {
			return false; // not visible
		}
	}

	ASTNode parent= ref.getParent();
	while (parent instanceof Type) {
		parent= parent.getParent();
	}
	if (parent instanceof AbstractTypeDeclaration && parent.getParent() instanceof CompilationUnit) {
		return true;
	}

	if (typeBinding.isMember()) {
		if (fAnalyzer.isDeclaredInScope(typeBinding, ref, ScopeAnalyzer.TYPES | ScopeAnalyzer.CHECK_VISIBILITY))
			return false;
	}
	return true;
}
 

boolean hasNonNullDefault(IBinding enclosingElement) {
	if (!fRemoveIfNonNullByDefault) return false;
	IAnnotationBinding[] annotations = enclosingElement.getAnnotations();
	for (int i= 0; i < annotations.length; i++) {
		IAnnotationBinding annot = annotations[i];
		if (annot.getAnnotationType().getQualifiedName().equals(fNonNullByDefaultName)) {
			IMemberValuePairBinding[] pairs= annot.getDeclaredMemberValuePairs();
			if (pairs.length > 0) {
				// is default cancelled by "false" or "value=false" ?
				for (int j= 0; j < pairs.length; j++)
					if (pairs[j].getKey() == null || pairs[j].getKey().equals("value")) //$NON-NLS-1$
						return (pairs[j].getValue() != Boolean.FALSE);
			}
			return true;
		}
	}
	if (enclosingElement instanceof IMethodBinding) {
		return hasNonNullDefault(((IMethodBinding)enclosingElement).getDeclaringClass());
	} else if (enclosingElement instanceof ITypeBinding) {
		ITypeBinding typeBinding= (ITypeBinding)enclosingElement;
		if (typeBinding.isLocal())
			return hasNonNullDefault(typeBinding.getDeclaringMethod());
		else if (typeBinding.isMember())
			return hasNonNullDefault(typeBinding.getDeclaringClass());
		else
			return hasNonNullDefault(typeBinding.getPackage());
	}
	return false;
}