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

Example 21 with JSONValue

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

the class JSONModelUtils method setPath.

private static <V extends JSONValue> V setPath(JSONObject object, List<String> currentPath, List<String> fullPath, V value) {
    if (currentPath.size() == 0) {
        return null;
    }
    final String currentProperty = currentPath.get(0);
    final int pathLength = currentPath.size();
    // if we are at the end of the path
    if (pathLength == 1) {
        // set the value on 'object'
        setProperty(object, currentProperty, value);
        return value;
    }
    // obtain NameValuePair that matches the first segment in propertyPath
    final Optional<NameValuePair> pair = getNameValuePair(object, currentProperty);
    // if pair already exists
    if (pair.isPresent()) {
        final JSONValue pathValue = pair.get().getValue();
        // check whether the value is an object
        if (!(pathValue instanceof JSONObject)) {
            // if not, the property path is invalid
            throw new JSONPropertyPathException("Cannot resolve JSON property path further then " + fullPath.subList(0, fullPath.size() - pathLength).stream().collect(Collectors.joining(".")) + ". " + pathValue + " is not a JSONObject.", null);
        }
        // setPath recursively on the (object) value of the existing pair
        return setPath((JSONObject) pathValue, currentPath.subList(1, pathLength), fullPath, value);
    } else {
        // add new object name-value-pair for current property
        final JSONObject nextObject = addProperty(object, currentProperty, JSONFactory.eINSTANCE.createJSONObject());
        return setPath(nextObject, currentPath.subList(1, pathLength), fullPath, value);
    }
}

Example 22 with JSONValue

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

the class JSONValidator method checkDuplicateKeys.

/**
 * Checks for duplicate keys in {@link JSONObject}s.
 */
@Check
public void checkDuplicateKeys(JSONObject object) {
    final Map<String, JSONValue> values = new HashMap<>();
    for (NameValuePair pair : object.getNameValuePairs()) {
        final JSONValue value = values.get(pair.getName());
        if (value != null) {
            final INode duplicatedNode = NodeModelUtils.findActualNodeFor(value);
            final int duplicatedLine = NodeModelUtils.getLineAndColumn(duplicatedNode, duplicatedNode.getOffset()).getLine();
            addIssue(JSONIssueCodes.getMessageForJSON_DUPLICATE_KEY(pair.getName(), duplicatedLine), pair, JSONPackage.Literals.NAME_VALUE_PAIR__NAME, JSONIssueCodes.JSON_DUPLICATE_KEY);
        }
        values.put(pair.getName(), pair.getValue());
    }
}

Example 23 with JSONValue

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

the class PackageJsonUtils method findNameValuePairs.

/**
 * Traverses the given {@link Resource} and finds all {@link JSONValue}s that match the given
 * {@link PackageJsonProperties}. The list of results is filtered in case a {@link Class} is given.
 *
 * @return all {@link NameValuePair}s for the given {@link PackageJsonProperties} in the given json resource
 */
public static <T extends JSONValue> List<T> findNameValuePairs(Resource jsonResource, PackageJsonProperties prop, Class<T> clazz) {
    String[] pathElements = prop.getPathElements();
    List<T> nameValuePairs = new LinkedList<>();
    EList<EObject> contents = jsonResource.getContents();
    EObject rootElem = contents.get(0);
    if (rootElem instanceof JSONDocument) {
        JSONDocument jsonDocument = (JSONDocument) rootElem;
        JSONValue jsonContent = jsonDocument.getContent();
        if (jsonContent instanceof JSONObject) {
            JSONObject jsonObj = (JSONObject) jsonContent;
            for (NameValuePair child : jsonObj.getNameValuePairs()) {
                searchNameValuePair(child, pathElements, 0, clazz, nameValuePairs);
            }
        }
    }
    return nameValuePairs;
}

Example 24 with JSONValue

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

the class PackageJsonHelper method convertDependencies.

private void convertDependencies(ProjectDescriptionBuilder target, List<NameValuePair> depPairs, boolean avoidDuplicates, DependencyType type) {
    Objects.requireNonNull(type);
    Set<String> existingProjectNames = new HashSet<>();
    if (avoidDuplicates) {
        for (ProjectDependency pd : target.getDependencies()) {
            existingProjectNames.add(pd.getPackageName());
        }
    }
    for (NameValuePair pair : depPairs) {
        String projectName = pair.getName();
        boolean addProjectDependency = true;
        addProjectDependency &= projectName != null && !projectName.isEmpty();
        addProjectDependency &= !(avoidDuplicates && existingProjectNames.contains(projectName));
        existingProjectNames.add(projectName);
        if (addProjectDependency) {
            JSONValue value = pair.getValue();
            String valueStr = asStringOrNull(value);
            NPMVersionRequirement versionRequirement = valueStr != null ? semverHelper.parse(valueStr) : null;
            ProjectDependency dep = new ProjectDependency(projectName, type, valueStr, versionRequirement);
            target.addDependency(dep);
        }
    }
}

Example 25 with JSONValue

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

the class PackageJsonValidatorExtension method checkImplementedProjects.

/**
 * Validates basic properties of the list of {@code n4js.implementedProjects}.
 */
@CheckProperty(property = IMPLEMENTED_PROJECTS)
public void checkImplementedProjects(JSONValue value) {
    // check for correct types of implementedProjects
    if (!checkIsType(value, JSONPackage.Literals.JSON_ARRAY, "as list of implemented projects")) {
        return;
    }
    // check for correct types of all implementedProjects elements (they represent project references)
    final List<JSONValue> implementedProjectValues = ((JSONArray) value).getElements();
    List<JSONStringLiteral> implementedProjectLiterals = implementedProjectValues.stream().map(v -> {
        if (!checkIsType(v, JSONPackage.Literals.JSON_STRING_LITERAL, "as implemented project reference")) {
            return null;
        }
        return ((JSONStringLiteral) v);
    }).filter(p -> p != null).collect(Collectors.toList());
    // obtain the declared project name (name property)
    final JSONStringLiteral declaredProjectNameValue = getSingleDocumentValue(NAME, JSONStringLiteral.class);
    // exit early if project name cannot be determined
    if (declaredProjectNameValue == null) {
        return;
    }
    for (JSONStringLiteral implementedProjectLiteral : implementedProjectLiterals) {
        if (implementedProjectLiteral.getValue().equals(declaredProjectNameValue.getValue())) {
            // reflexive implementation
            addIssue(IssueCodes.getMessageForPKGJ_APIIMPL_REFLEXIVE(), implementedProjectLiteral, IssueCodes.PKGJ_APIIMPL_REFLEXIVE);
        }
    }
}