Java Severity.ERROR属性代码示例

/**
 * Example: {@code // XPECT quickFixList  at 'a.<|>method' --> 'import A','do other things' }
 *
 * @param expectation
 *            comma separated strings, which are proposed as quick fix
 * @param resource
 *            injected xtext-file
 * @param offset
 *            cursor position at '<|>'
 * @param checkType
 *            'display': verify list of provided proposals comparing their user-displayed strings.
 * @param selected
 *            which proposal to pick
 * @param mode
 *            modus of operation
 * @param offset2issue
 *            mapping of offset(!) to issues.
 * @throws Exception
 *             if failing
 */
@Xpect
@ParameterParser(syntax = "('at' (arg2=STRING (arg3=ID  (arg4=STRING)?  (arg5=ID)? )? )? )?")
@ConsumedIssues({ Severity.INFO, Severity.ERROR, Severity.WARNING })
public void quickFixList(
		@CommaSeparatedValuesExpectation(quoted = true, ordered = true) ICommaSeparatedValuesExpectation expectation, // arg0
		@ThisResource XtextResource resource, // arg1
		RegionWithCursor offset, // arg2
		String checkType, // arg3
		String selected, // arg4
		String mode, // arg5
		@IssuesByLine Multimap<Integer, Issue> offset2issue) throws Exception {

	List<IssueResolution> resolutions = collectAllResolutions(resource, offset, offset2issue);

	List<String> resolutionNames = Lists.newArrayList();
	for (IssueResolution resolution : resolutions) {
		resolutionNames.add(resolution.getLabel());
	}

	expectation.assertEquals(resolutionNames);
}
 

private boolean registerErrors(Resource dep, StringBuilder errorResult) {
	boolean hasErrors = false;
	List<Issue> issues = resourceValidator.validate(dep, CheckMode.ALL, CancelIndicator.NullImpl);
	List<Issue> errorIssues = new ArrayList<>();
	for (Issue issue : issues) {
		if (Severity.ERROR == issue.getSeverity()) {
			errorIssues.add(issue);
		}
	}
	hasErrors = !errorIssues.isEmpty();
	if (hasErrors) {
		errorResult.append("Couldn't compile resource " + dep.getURI() + " because it contains errors: ");
		for (Issue errorIssue : errorIssues) {
			errorResult
					.append(nl + errorIssue.getMessage() + " at line " + errorIssue.getLineNumber());
		}
	}
	return hasErrors;
}
 

private Severity calculateSeverity(String severety) {
	switch (severety) {
		case "warning" :
			return Severity.WARNING;
		case "error" :
			return Severity.ERROR;
		default :
			return Severity.INFO;
	}
}
 

@Override
public boolean validate(IAcceptor<? super AbstractDiagnostic> result) {
	JvmDeclaredType declaringType = getConstructor().getDeclaringType();
	if (declaringType.isAbstract()) {
		String message = "Cannot instantiate the abstract type " + declaringType.getSimpleName();
		AbstractDiagnostic diagnostic = new EObjectDiagnosticImpl(
				Severity.ERROR, 
				IssueCodes.ABSTRACT_CLASS_INSTANTIATION, 
				message, 
				getExpression(), 
				getDefaultValidationFeature(), -1, null);
		result.accept(diagnostic);
		return false;
	}
	return super.validate(result);
}
 

@Override
public boolean validate(IAcceptor<? super AbstractDiagnostic> result) {
	if (!getState().isInstanceContext()) {
		JvmIdentifiableElement implicitFeature = getFeature();
		if (implicitFeature instanceof JvmType) {
			JvmIdentifiableElement feature = getState().getResolvedTypes().getLinkedFeature(getOwner());
			if (feature == null || feature.eIsProxy() || !(feature instanceof JvmFeature))
				return true;
			String message = "Cannot make an implicit reference to this from a static context";
			AbstractDiagnostic diagnostic = new EObjectDiagnosticImpl(Severity.ERROR,
					IssueCodes.STATIC_ACCESS_TO_INSTANCE_MEMBER, message, getOwner(),
					XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE, -1, null);
			result.accept(diagnostic);
			return false;
		}
	}
	return super.validate(result);
}
 

protected AbstractDiagnostic createTypeDiagnostic(XExpression expression, LightweightTypeReference actualType, LightweightTypeReference expectedType) {
	if (!expectedType.isAny()) {
		String actualName = actualType.getSimpleName();
		String expectedName = expectedType.getSimpleName();
		if (actualName.equals(expectedName)) {
			if (expectedType.isAssignableFrom(actualType)) {
				return null;
			}
		}
		if (expression.eContainingFeature() == XbasePackage.Literals.XABSTRACT_FEATURE_CALL__IMPLICIT_FIRST_ARGUMENT) {
			return new EObjectDiagnosticImpl(Severity.ERROR, IssueCodes.INCOMPATIBLE_TYPES, String.format(
					"Type mismatch: cannot convert implicit first argument from %s to %s", actualType.getHumanReadableName(), expectedType.getHumanReadableName()),
					expression, null, -1, null);
		} else {
			return new EObjectDiagnosticImpl(Severity.ERROR, IssueCodes.INCOMPATIBLE_TYPES, String.format(
					"Type mismatch: cannot convert from %s to %s", actualType.getHumanReadableName(), expectedType.getHumanReadableName()),
					expression, null, -1, null);
		}
	} else {
		return new EObjectDiagnosticImpl(Severity.ERROR, IssueCodes.INCOMPATIBLE_TYPES, String.format(
				"Type mismatch: type %s is not applicable at this location", actualType.getHumanReadableName()), expression, null, -1,
				null);
	}
}
 

protected boolean validateVisibility(IAcceptor<? super AbstractDiagnostic> result) {
	if (!isVisible()) {
		String message = String.format("The %1$s %2$s%3$s is not visible", 
				getFeatureTypeName(),
				getSimpleFeatureName(),
				getFeatureParameterTypesAsString());
		AbstractDiagnostic diagnostic = new EObjectDiagnosticImpl(
				Severity.ERROR, 
				IssueCodes.FEATURE_NOT_VISIBLE, 
				message, 
				getExpression(), 
				getDefaultValidationFeature(), -1, null);
		result.accept(diagnostic);
		return false;
	}
	return true;
}
 

protected boolean validateArity(IAcceptor<? super AbstractDiagnostic> result) {
	if (getArityMismatch() != 0) {
		String message; 
		if (getArguments().isEmpty()) {
			message = String.format("Invalid number of arguments. The %1$s %2$s%3$s is not applicable without arguments" , 
					getFeatureTypeName(), 
					getSimpleFeatureName(), 
					getFeatureParameterTypesAsString());
		} else {
			message = String.format("Invalid number of arguments. The %1$s %2$s%3$s is not applicable for the arguments %4$s" , 
					getFeatureTypeName(), 
					getSimpleFeatureName(), 
					getFeatureParameterTypesAsString(), 
					getArgumentTypesAsString());
		}
		AbstractDiagnostic diagnostic = new EObjectDiagnosticImpl(
				Severity.ERROR, 
				IssueCodes.INVALID_NUMBER_OF_ARGUMENTS, 
				message, 
				getExpression(), 
				getInvalidArgumentsValidationFeature(), -1, null);
		result.accept(diagnostic);
		return false;
	}
	return true;
}
 

protected boolean validateTypeArity(IAcceptor<? super AbstractDiagnostic> result) {
	if (getTypeArityMismatch() != 0) {
		String message = String.format("Invalid number of type arguments. The %1$s %2$s%3$s is not applicable for the type arguments %4$s",
				getFeatureTypeName(), 
				getSimpleFeatureName(), 
				getFeatureTypeParametersAsString(true),
				getTypeArgumentsAsString(getSyntacticTypeArguments()));
		AbstractDiagnostic diagnostic = new EObjectDiagnosticImpl(
				Severity.ERROR, 
				IssueCodes.INVALID_NUMBER_OF_TYPE_ARGUMENTS, 
				message, 
				getExpression(), 
				getDefaultValidationFeature(), -1, null);
		result.accept(diagnostic);
		return false;
	}
	return true;
}
 

@Override
public boolean validate(IAcceptor<? super AbstractDiagnostic> result) {
	JvmType type = (JvmType) description.getElementOrProxy();
	String typeKind = "";
	if (type instanceof JvmPrimitiveType || type instanceof JvmVoid) {
		typeKind = "primitive type";
	} else if (type instanceof JvmAnnotationType) {
		typeKind = "annotation type";
	} else if (type instanceof JvmEnumerationType) {
		typeKind = "enum type";
	} else if (type instanceof JvmGenericType && ((JvmGenericType) type).isInterface()) {
		typeKind = "interface type";
	} else if (type instanceof JvmTypeParameter) {
		typeKind = "type parameter";
	}
	String message = String.format("Cannot instantiate the %s %s", typeKind, type.getSimpleName());
	AbstractDiagnostic diagnostic = new EObjectDiagnosticImpl(Severity.ERROR,
			IssueCodes.ILLEGAL_CLASS_INSTANTIATION, message, getExpression(),
			XbasePackage.Literals.XCONSTRUCTOR_CALL__CONSTRUCTOR, -1, null);
	result.accept(diagnostic);
	return false;
}
 

@Override
protected EObject handleCyclicResolution(Triple<EObject, EReference, INode> triple) throws AssertionError {
	if (!isValidationDisabled()) {
		EObject context = triple.getFirst();
		if (context.eClass() == TypesPackage.Literals.JVM_PARAMETERIZED_TYPE_REFERENCE) {
			// here we may end up with cyclic resolution requests in rare situations, e.g. for input types
			// like :
			/*
			 * package p;
			 * class C extends p.C.Bogus {}
			 */
			return null;
		}
		DiagnosticMessage message = new DiagnosticMessage("Cyclic linking detected : " + getReferences(triple, resolving), Severity.ERROR, "cyclic-resolution");
		List<Diagnostic> list = getDiagnosticList(message);
		Diagnostic diagnostic = createDiagnostic(triple, message);
		if (!list.contains(diagnostic))
			list.add(diagnostic);
	}
	return null;
}
 

public Severity stringToSeverity(String severityAsString) {
	if (severityAsString == null)
		throw new IllegalArgumentException("Severity as string was null");
	if (severityAsString.equals(SEVERITY_ERROR)) {
		return Severity.ERROR;
	}
	if (severityAsString.equals(SEVERITY_WARNING)) {
		return Severity.WARNING;
	}
	if (severityAsString.equals(SEVERITY_INFO)) {
		return Severity.INFO;
	}
	if (severityAsString.equals(SEVERITY_IGNORE)) {
		return Severity.IGNORE;
	}
	throw new IllegalArgumentException("Unknown severity '"+severityAsString+"'.");
}
 

/**
 * Validates all non-external Xtext resources of the given project. Prints issues and adds them to the given issue
 * acceptor.
 *
 * @param markedProject
 *            the project to validate
 * @param recorder
 *            the progress recorder
 * @param issueAcceptor
 *            the issue acceptor
 * @throws N4JSCompileErrorException
 *             if an error occurs during validation
 */
private void validateProject(MarkedProject markedProject, N4ProgressStateRecorder recorder,
		IssueAcceptor issueAcceptor) throws N4JSCompileErrorException {

	if (logger.isVerbose())
		logger.info(" Validating project " + markedProject);
	IssueCollector issueCollector = new IssueCollector();
	IssueFilter issueFilter = new IssueFilter(issueCollector, issue -> issue.getSeverity() == Severity.ERROR);
	issueAcceptor = new IssueAcceptorTee(issueAcceptor, issueFilter);

	// validation TODO see IDE-1426 redesign validation calls with generators
	for (Resource resource : markedProject.resources) {
		if (resource instanceof XtextResource && // is Xtext resource
				(!n4jsCore.isNoValidate(resource.getURI())) && // is validating
				(!markedProject.externalResources.contains(resource)) // not in external folder
		) {
			if (logger.isCreateDebugOutput())
				logger.debug("   Validating resource " + resource.getURI());
			XtextResource xtextResource = (XtextResource) resource;
			IResourceValidator validator = xtextResource.getResourceServiceProvider().getResourceValidator();
			List<Issue> issues = validator.validate(xtextResource, CheckMode.ALL, CancelIndicator.NullImpl);

			if (!issues.isEmpty()) {
				recorder.markResourceIssues(resource, issues);
				issueAcceptor.acceptAll(issues);
				issues.stream().forEach(logger::issue);
			}
		}
	}

	// Projects should not compile if there are severe errors:
	if (!isKeepOnCompiling()) {
		failOnErrors(issueCollector.getCollectedIssues(), markedProject.project.getProjectId());
	}
}
 

public void addDiagnostics(final Resource resource) {
	if (resource instanceof XtextResource) {
		if (((XtextResource) resource).isValidationDisabled())
			return;
	}
	class DiagnosticAcceptor implements IAcceptor<AbstractDiagnostic> {

		@Override
		public void accept(/* @Nullable */ AbstractDiagnostic diagnostic) {
			if (diagnostic instanceof EObjectDiagnosticImpl) {
				Severity severity = ((EObjectDiagnosticImpl) diagnostic).getSeverity();
				if (severity == Severity.ERROR) {
					resource.getErrors().add(diagnostic);
				} else if (severity == Severity.WARNING) {
					resource.getWarnings().add(diagnostic);
				}
			} else {
				resource.getErrors().add(diagnostic);
			}
		}
		
	}
	DiagnosticAcceptor acceptor = new DiagnosticAcceptor();
	addQueuedDiagnostics(acceptor);
	addLinkingDiagnostics(acceptor);
	addTypeDiagnostics(acceptor);
}
 

@Override
protected Severity getUnhandledExceptionSeverity(JvmExecutable executable) {
	if (getFeature() instanceof JvmConstructor) {
		return Severity.ERROR;
	}
	return super.getUnhandledExceptionSeverity(executable);
}