Java ITypeBinding.getDimensions方法代碼示例

import org.eclipse.jdt.core.dom.ITypeBinding; //導入方法依賴的package包/類
public static int getDimensions(VariableDeclaration declaration) {
	int dim= declaration.getExtraDimensions();
	if (declaration instanceof VariableDeclarationFragment && declaration.getParent() instanceof LambdaExpression) {
		LambdaExpression lambda= (LambdaExpression) declaration.getParent();
		IMethodBinding methodBinding= lambda.resolveMethodBinding();
		if (methodBinding != null) {
			ITypeBinding[] parameterTypes= methodBinding.getParameterTypes();
			int index= lambda.parameters().indexOf(declaration);
			ITypeBinding typeBinding= parameterTypes[index];
			return typeBinding.getDimensions();
		}
	} else {
		Type type= getType(declaration);
		if (type instanceof ArrayType) {
			dim+= ((ArrayType) type).getDimensions();
		}
	}
	return dim;
}
 

import org.eclipse.jdt.core.dom.ITypeBinding; //導入方法依賴的package包/類
public static String[] getVariableNameSuggestions(int variableKind, IJavaProject project, ITypeBinding expectedType, Expression assignedExpression, Collection<String> excluded) {
	LinkedHashSet<String> res= new LinkedHashSet<>(); // avoid duplicates but keep order

	if (assignedExpression != null) {
		String nameFromExpression= getBaseNameFromExpression(project, assignedExpression, variableKind);
		if (nameFromExpression != null) {
			add(getVariableNameSuggestions(variableKind, project, nameFromExpression, 0, excluded, false), res); // pass 0 as dimension, base name already contains plural.
		}

		String nameFromParent= getBaseNameFromLocationInParent(assignedExpression);
		if (nameFromParent != null) {
			add(getVariableNameSuggestions(variableKind, project, nameFromParent, 0, excluded, false), res); // pass 0 as dimension, base name already contains plural.
		}
	}
	if (expectedType != null) {
		expectedType= Bindings.normalizeTypeBinding(expectedType);
		if (expectedType != null) {
			int dim= 0;
			if (expectedType.isArray()) {
				dim= expectedType.getDimensions();
				expectedType= expectedType.getElementType();
			}
			if (expectedType.isParameterizedType()) {
				expectedType= expectedType.getTypeDeclaration();
			}
			String typeName= expectedType.getName();
			if (typeName.length() > 0) {
				add(getVariableNameSuggestions(variableKind, project, typeName, dim, excluded, false), res);
			}
		}
	}
	if (res.isEmpty()) {
		return getDefaultVariableNameSuggestions(variableKind, excluded);
	}
	return res.toArray(new String[res.size()]);
}
 

import org.eclipse.jdt.core.dom.ITypeBinding; //導入方法依賴的package包/類
private static boolean sameParameter(ITypeBinding type, String candidate, IType scope) throws JavaModelException {
	if (type.getDimensions() != Signature.getArrayCount(candidate)) {
		return false;
	}

	// Normalizes types
	if (type.isArray()) {
		type= type.getElementType();
	}
	candidate= Signature.getElementType(candidate);

	if ((Signature.getTypeSignatureKind(candidate) == Signature.BASE_TYPE_SIGNATURE) != type.isPrimitive()) {
		return false;
	}

	if (type.isPrimitive() || type.isTypeVariable()) {
		return type.getName().equals(Signature.toString(candidate));
	} else {
		// normalize (quick hack until binding.getJavaElement works)
		candidate= Signature.getTypeErasure(candidate);
		type= type.getErasure();

		if (candidate.charAt(Signature.getArrayCount(candidate)) == Signature.C_RESOLVED) {
			return Signature.toString(candidate).equals(Bindings.getFullyQualifiedName(type));
		} else {
			String[][] qualifiedCandidates= scope.resolveType(Signature.toString(candidate));
			if (qualifiedCandidates == null || qualifiedCandidates.length == 0) {
				return false;
			}
			String packageName= type.getPackage().isUnnamed() ? "" : type.getPackage().getName(); //$NON-NLS-1$
			String typeName= getTypeQualifiedName(type);
			for (int i= 0; i < qualifiedCandidates.length; i++) {
				String[] qualifiedCandidate= qualifiedCandidates[i];
				if (	qualifiedCandidate[0].equals(packageName) &&
						qualifiedCandidate[1].equals(typeName)) {
					return true;
				}
			}
		}
	}
	return false;
}