Examples with NonNull android.annotation.NonNull used on opensource projects

Example 96 with NonNull

use of android.annotation.NonNull in project android_frameworks_base by AOSPA.

the class CryptoHelper method createMac.

@NonNull
private byte[] createMac(@NonNull byte[] cipher, @NonNull byte[] iv) throws GeneralSecurityException {
    Mac mac = Mac.getInstance(MAC_ALGORITHM);
    mac.init(mMacKey);
    mac.update(cipher);
    mac.update(iv);
    return mac.doFinal();
}

Example 97 with NonNull

use of android.annotation.NonNull in project android_frameworks_base by AOSPA.

the class DefaultPermissionGrantPolicy method readDefaultPermissionExceptionsLPw.

@NonNull
private ArrayMap<String, List<DefaultPermissionGrant>> readDefaultPermissionExceptionsLPw() {
    File dir = new File(Environment.getRootDirectory(), "etc/default-permissions");
    if (!dir.exists() || !dir.isDirectory() || !dir.canRead()) {
        return new ArrayMap<>(0);
    }
    File[] files = dir.listFiles();
    if (files == null) {
        return new ArrayMap<>(0);
    }
    ArrayMap<String, List<DefaultPermissionGrant>> grantExceptions = new ArrayMap<>();
    // Iterate over the files in the directory and scan .xml files
    for (File file : files) {
        if (!file.getPath().endsWith(".xml")) {
            Slog.i(TAG, "Non-xml file " + file + " in " + dir + " directory, ignoring");
            continue;
        }
        if (!file.canRead()) {
            Slog.w(TAG, "Default permissions file " + file + " cannot be read");
            continue;
        }
        try (InputStream str = new BufferedInputStream(new FileInputStream(file))) {
            XmlPullParser parser = Xml.newPullParser();
            parser.setInput(str, null);
            parse(parser, grantExceptions);
        } catch (XmlPullParserException | IOException e) {
            Slog.w(TAG, "Error reading default permissions file " + file, e);
        }
    }
    return grantExceptions;
}

Example 98 with NonNull

use of android.annotation.NonNull in project android_frameworks_base by AOSPA.

the class Main method setUp.

/**
     * Initialize the bridge and the resource maps.
     */
@BeforeClass
public static void setUp() {
    File data_dir = new File(PLATFORM_DIR, "data");
    File res = new File(data_dir, "res");
    sFrameworkRepo = new FrameworkResources(new FolderWrapper(res));
    sFrameworkRepo.loadResources();
    sFrameworkRepo.loadPublicResources(getLogger());
    sProjectResources = new ResourceRepository(new FolderWrapper(TEST_RES_DIR + APP_TEST_RES), false) {

        @NonNull
        @Override
        protected ResourceItem createResourceItem(@NonNull String name) {
            return new ResourceItem(name);
        }
    };
    sProjectResources.loadResources();
    File fontLocation = new File(data_dir, "fonts");
    File buildProp = new File(PLATFORM_DIR, "build.prop");
    File attrs = new File(res, "values" + File.separator + "attrs.xml");
    sBridge = new Bridge();
    sBridge.init(ConfigGenerator.loadProperties(buildProp), fontLocation, ConfigGenerator.getEnumMap(attrs), getLayoutLog());
}

Example 99 with NonNull

use of android.annotation.NonNull in project android_frameworks_base by AOSPA.

the class ParserFactory method readAndClose.

@NonNull
private static InputStream readAndClose(@NonNull InputStream stream, @Nullable String name, long size) throws XmlPullParserException {
    // just a sanity check. It's doubtful we'll have such big files!
    if (size > Integer.MAX_VALUE) {
        throw new XmlPullParserException("File " + name + " is too big to be parsed");
    }
    int intSize = (int) size;
    // create a buffered reader to facilitate reading.
    BufferedInputStream bufferedStream = new BufferedInputStream(stream);
    try {
        int avail;
        if (intSize != -1) {
            avail = intSize;
        } else {
            // get the size to read.
            avail = bufferedStream.available();
        }
        // create the initial buffer and read it.
        byte[] buffer = new byte[avail];
        int read = stream.read(buffer);
        // this is the easy case.
        if (read == intSize) {
            return new ByteArrayInputStream(buffer);
        }
        // available() returned!)
        while ((avail = bufferedStream.available()) > 0) {
            if (read + avail > buffer.length) {
                // just allocate what is needed. We're mostly reading small files
                // so it shouldn't be too problematic.
                byte[] moreBuffer = new byte[read + avail];
                System.arraycopy(buffer, 0, moreBuffer, 0, read);
                buffer = moreBuffer;
            }
            read += stream.read(buffer, read, avail);
        }
        // return a new stream encapsulating this buffer.
        return new ByteArrayInputStream(buffer);
    } catch (IOException e) {
        throw new XmlPullParserException("Failed to read " + name, null, e);
    } finally {
        try {
            bufferedStream.close();
        } catch (IOException ignored) {
        }
    }
}

Example 100 with NonNull

use of android.annotation.NonNull in project android_frameworks_base by AOSPA.

the class Layout method createContentFrame.

@NonNull
private FrameLayout createContentFrame() {
    FrameLayout contentRoot = new FrameLayout(getContext());
    LayoutParams params = createLayoutParams(MATCH_PARENT, MATCH_PARENT);
    int rule = mBuilder.isNavBarVertical() ? START_OF : ABOVE;
    if (mBuilder.hasNavBar() && mBuilder.solidBars()) {
        params.addRule(rule, getId(ID_NAV_BAR));
    }
    int below = -1;
    if (mBuilder.mActionBarSize <= 0 && mBuilder.mTitleBarSize > 0) {
        below = getId(ID_TITLE_BAR);
    } else if (mBuilder.hasStatusBar() && mBuilder.solidBars()) {
        below = getId(ID_STATUS_BAR);
    }
    if (below != -1) {
        params.addRule(BELOW, below);
    }
    contentRoot.setLayoutParams(params);
    return contentRoot;
}