Examples with Nullable com.android.annotations.Nullable used on opensource projects

Example 16 with Nullable

use of com.android.annotations.Nullable in project kotlin by JetBrains.

the class LintUtils method getStyleAttributes.

/**
     * Looks up the resource values for the given attribute given a style. Note that
     * this only looks project-level style values, it does not resume into the framework
     * styles.
     */
@Nullable
public static List<ResourceValue> getStyleAttributes(@NonNull Project project, @NonNull LintClient client, @NonNull String styleUrl, @NonNull String namespace, @NonNull String attribute) {
    if (!client.supportsProjectResources()) {
        return null;
    }
    AbstractResourceRepository resources = client.getProjectResources(project, true);
    if (resources == null) {
        return null;
    }
    ResourceUrl style = ResourceUrl.parse(styleUrl);
    if (style == null || style.framework) {
        return null;
    }
    List<ResourceValue> result = null;
    Queue<ResourceValue> queue = new ArrayDeque<ResourceValue>();
    queue.add(new ResourceValue(style.type, style.name, false));
    Set<String> seen = Sets.newHashSet();
    int count = 0;
    boolean isFrameworkAttribute = ANDROID_URI.equals(namespace);
    while (count < 30 && !queue.isEmpty()) {
        ResourceValue front = queue.remove();
        String name = front.getName();
        seen.add(name);
        List<ResourceItem> items = resources.getResourceItem(front.getResourceType(), name);
        if (items != null) {
            for (ResourceItem item : items) {
                ResourceValue rv = item.getResourceValue(false);
                if (rv instanceof StyleResourceValue) {
                    StyleResourceValue srv = (StyleResourceValue) rv;
                    ItemResourceValue value = srv.getItem(attribute, isFrameworkAttribute);
                    if (value != null) {
                        if (result == null) {
                            result = Lists.newArrayList();
                        }
                        if (!result.contains(value)) {
                            result.add(value);
                        }
                    }
                    String parent = srv.getParentStyle();
                    if (parent != null && !parent.startsWith(ANDROID_PREFIX)) {
                        ResourceUrl p = ResourceUrl.parse(parent);
                        if (p != null && !p.framework && !seen.contains(p.name)) {
                            seen.add(p.name);
                            queue.add(new ResourceValue(ResourceType.STYLE, p.name, false));
                        }
                    }
                    int index = name.lastIndexOf('.');
                    if (index > 0) {
                        String parentName = name.substring(0, index);
                        if (!seen.contains(parentName)) {
                            seen.add(parentName);
                            queue.add(new ResourceValue(ResourceType.STYLE, parentName, false));
                        }
                    }
                }
            }
        }
        count++;
    }
    return result;
}

Example 17 with Nullable

use of com.android.annotations.Nullable in project kotlin by JetBrains.

the class LintUtils method getCommonParent.

/**
     * Computes the closest common parent path between two files.
     *
     * @param file1 the first file to be compared
     * @param file2 the second file to be compared
     * @return the closest common ancestor file, or null if the two files have
     *         no common parent
     */
@Nullable
public static File getCommonParent(@NonNull File file1, @NonNull File file2) {
    if (file1.equals(file2)) {
        return file1;
    } else if (file1.getPath().startsWith(file2.getPath())) {
        return file2;
    } else if (file2.getPath().startsWith(file1.getPath())) {
        return file1;
    } else {
        // Dumb and simple implementation
        File first = file1.getParentFile();
        while (first != null) {
            File second = file2.getParentFile();
            while (second != null) {
                if (first.equals(second)) {
                    return first;
                }
                second = second.getParentFile();
            }
            first = first.getParentFile();
        }
    }
    return null;
}

Example 18 with Nullable

use of com.android.annotations.Nullable in project kotlin by JetBrains.

the class JavaPsiVisitor method getInterfaceNames.

@Nullable
private static Set<String> getInterfaceNames(@Nullable Set<String> addTo, @NonNull PsiClass cls) {
    for (PsiClass resolvedInterface : cls.getInterfaces()) {
        String name = resolvedInterface.getQualifiedName();
        if (addTo == null) {
            addTo = Sets.newHashSet();
        } else if (addTo.contains(name)) {
            // more than once.
            continue;
        }
        addTo.add(name);
        getInterfaceNames(addTo, resolvedInterface);
    }
    return addTo;
}

Example 19 with Nullable

use of com.android.annotations.Nullable in project kotlin by JetBrains.

the class JavaVisitor method getInterfaceNames.

@Nullable
private static Set<String> getInterfaceNames(@Nullable Set<String> addTo, @NonNull ResolvedClass cls) {
    Iterable<ResolvedClass> interfaces = cls.getInterfaces();
    for (ResolvedClass resolvedInterface : interfaces) {
        String name = resolvedInterface.getName();
        if (addTo == null) {
            addTo = Sets.newHashSet();
        } else if (addTo.contains(name)) {
            // more than once.
            continue;
        }
        addTo.add(name);
        getInterfaceNames(addTo, resolvedInterface);
    }
    return addTo;
}

Example 20 with Nullable

use of com.android.annotations.Nullable in project kotlin by JetBrains.

the class UastLintUtils method findLastValue.

@Nullable
public static Object findLastValue(@NonNull PsiVariable variable, @NonNull UElement call, @NonNull JavaContext context, @NonNull ConstantEvaluator evaluator) {
    Object value = null;
    if (!variable.hasModifierProperty(PsiModifier.FINAL) && (variable instanceof PsiLocalVariable || variable instanceof PsiParameter)) {
        UMethod containingFunction = UastUtils.getContainingUMethod(call);
        if (containingFunction != null) {
            ConstantEvaluator.LastAssignmentFinder finder = new ConstantEvaluator.LastAssignmentFinder(variable, call, context, evaluator, 1);
            containingFunction.getUastBody().accept(finder);
            value = finder.getCurrentValue();
        }
    } else {
        UExpression initializer = context.getUastContext().getInitializerBody(variable);
        if (initializer != null) {
            value = initializer.evaluate();
        }
    }
    return value;
}