Examples with JSONDocument org.eclipse.n4js.json.JSON.JSONDocument used on opensource projects

Example 1 with JSONDocument

use of org.eclipse.n4js.json.JSON.JSONDocument in project n4js by eclipse.

the class CompletionUtils method getJsonPathNames.

/**
 * Return the property names on the path towards the current model.
 */
public static List<String> getJsonPathNames(EObject model) {
    List<String> namePath = new LinkedList<>();
    EObject eobj = model;
    while (!(eobj instanceof JSONDocument)) {
        if (eobj instanceof NameValuePair) {
            NameValuePair nvp = (NameValuePair) eobj;
            namePath.add(0, nvp.getName());
        }
        eobj = eobj.eContainer();
    }
    return namePath;
}

Example 2 with JSONDocument

use of org.eclipse.n4js.json.JSON.JSONDocument in project n4js by eclipse.

the class JSONValidator method checkDocumentForComments.

/**
 * Checks the document for comments (single or multi-line) which are not valid JSON constructs but accepted by our
 * parser.
 */
@Check
public void checkDocumentForComments(JSONDocument document) {
    ICompositeNode documentNode = NodeModelUtils.findActualNodeFor(document);
    ICompositeNode rootNode = documentNode.getRootNode();
    // find hidden leaf nodes that fulfill #isCommentNode criteria and add an issue
    StreamSupport.stream(rootNode.getAsTreeIterable().spliterator(), false).filter(n -> n instanceof HiddenLeafNode).filter(n -> isCommentNode(n)).forEach(n -> {
        addIssue(JSONIssueCodes.getMessageForJSON_COMMENT_UNSUPPORTED(), document, n.getOffset(), n.getLength(), JSONIssueCodes.JSON_COMMENT_UNSUPPORTED);
    });
}

Example 3 with JSONDocument

use of org.eclipse.n4js.json.JSON.JSONDocument in project n4js by eclipse.

the class ProjectDescriptionLoader method loadPackageJSONAtLocation.

private JSONDocument loadPackageJSONAtLocation(SafeURI<?> location) {
    Path path = location.appendSegment(N4JSGlobals.PACKAGE_JSON).toFileSystemPath();
    if (!Files.isReadable(path)) {
        path = location.appendSegment(N4JSGlobals.PACKAGE_JSON + "." + N4JSGlobals.XT_FILE_EXTENSION).toFileSystemPath();
        if (!Files.isReadable(path)) {
            return null;
        }
    }
    try {
        String jsonString = Files.readString(path, StandardCharsets.UTF_8);
        try {
            JSONDocument doc = JSONFactory.eINSTANCE.createJSONDocument();
            JsonElement jsonElement = JsonParser.parseString(jsonString);
            doc.setContent(copy(jsonElement));
            return doc;
        } catch (JsonParseException e) {
            JSONDocument packageJSON = loadXtextFileAtLocation(location, N4JSGlobals.PACKAGE_JSON, jsonString, JSONDocument.class);
            return packageJSON;
        }
    } catch (IOException e) {
        throw new RuntimeIOException(e);
    }
}

Example 4 with JSONDocument

use of org.eclipse.n4js.json.JSON.JSONDocument in project n4js by eclipse.

the class ProjectDescriptionLoader method loadVersionAndN4JSNatureFromProjectDescriptionAtLocation.

/**
 * Loads the project description of the N4JS project at the given {@code location} and returns the version string or
 * <code>null</code> if undefined or in case of error.
 */
public Pair<String, Boolean> loadVersionAndN4JSNatureFromProjectDescriptionAtLocation(SafeURI<?> location) {
    JSONDocument packageJSON = loadPackageJSONAtLocation(location);
    JSONValue versionValue = null;
    boolean hasN4JSNature = false;
    if (packageJSON != null) {
        versionValue = JSONModelUtils.getProperty(packageJSON, VERSION.name).orElse(null);
        hasN4JSNature = JSONModelUtils.getProperty(packageJSON, N4JS.name).isPresent();
    }
    Pair<String, Boolean> result = Tuples.create(asNonEmptyStringOrNull(versionValue), hasN4JSNature);
    return result;
}

Example 5 with JSONDocument

use of org.eclipse.n4js.json.JSON.JSONDocument in project n4js by eclipse.

the class AbstractPackageJSONValidatorExtension method checkUsingCheckPropertyMethods.

/**
 * Collects all {@link CheckProperty} methods of this class and invokes them on the corresponding properties in the
 * given JSON document
 */
@Check
public void checkUsingCheckPropertyMethods(JSONDocument document) {
    final List<Method> allMethods = Arrays.asList(this.getClass().getDeclaredMethods());
    final List<Pair<CheckProperty, Method>> checkKeyMethods = allMethods.stream().filter(m -> m.getAnnotationsByType(CheckProperty.class).length != 0).filter(m -> isValidCheckKeyMethod(m)).map(m -> Pair.of(m.getAnnotationsByType(CheckProperty.class)[0], m)).collect(Collectors.toList());
    final Multimap<String, JSONValue> documentValues = collectDocumentValues(document);
    for (Pair<CheckProperty, Method> methodPair : checkKeyMethods) {
        final CheckProperty annotation = methodPair.getKey();
        final Method method = methodPair.getValue();
        final PackageJsonProperties property = annotation.property();
        final Collection<JSONValue> values = documentValues.get(property.getPath());
        final DataCollector dcCheckMethod = N4JSDataCollectors.createDataCollectorForCheckMethod(method.getName());
        // check each value that has been specified for keyPath
        for (JSONValue value : values) {
            if (value != null) {
                try (Measurement m = dcCheckMethod.getMeasurement()) {
                    // invoke method without any or with value as single argument
                    if (method.getParameterTypes().length == 0) {
                        method.invoke(this);
                    } else {
                        method.invoke(this, value);
                    }
                } catch (IllegalAccessException | IllegalArgumentException e) {
                    throw new IllegalStateException("Failed to invoke @CheckProperty method " + method + ": " + e);
                } catch (InvocationTargetException e) {
                    // GH-2002: TEMPORARY DEBUG LOGGING
                    // Only passing the exception to Logger#error(String,Throwable) does not emit the stack trace of
                    // the caught exception in all logger configurations; we therefore include the stack trace in
                    // the main message:
                    LOGGER.error("Failed to invoke @CheckProperty method " + method + ": " + e.getTargetException().getMessage() + "\n" + Throwables.getStackTraceAsString(e.getTargetException()));
                    e.getTargetException().printStackTrace();
                }
            }
        }
    }
}