Examples with Nullable javax.annotation.Nullable used on opensource projects

Example 1 with Nullable

use of javax.annotation.Nullable in project buck by facebook.

the class AdbHelper method createAdb.

/**
   * Creates connection to adb and waits for this connection to be initialized
   * and receive initial list of devices.
   */
@Nullable
@SuppressWarnings("PMD.EmptyCatchBlock")
private AndroidDebugBridge createAdb(ExecutionContext context) throws InterruptedException {
    DdmPreferences.setTimeOut(60000);
    try {
        AndroidDebugBridge.init(/* clientSupport */
        false);
    } catch (IllegalStateException ex) {
    // ADB was already initialized, we're fine, so just ignore.
    }
    AndroidDebugBridge adb = AndroidDebugBridge.createBridge(context.getPathToAdbExecutable(), false);
    if (adb == null) {
        console.printBuildFailure("Failed to connect to adb. Make sure adb server is running.");
        return null;
    }
    long start = System.currentTimeMillis();
    while (!isAdbInitialized(adb)) {
        long timeLeft = start + ADB_CONNECT_TIMEOUT_MS - System.currentTimeMillis();
        if (timeLeft <= 0) {
            break;
        }
        Thread.sleep(ADB_CONNECT_TIME_STEP_MS);
    }
    return isAdbInitialized(adb) ? adb : null;
}

Example 2 with Nullable

use of javax.annotation.Nullable in project buck by facebook.

the class AdbHelper method deviceUninstallPackage.

/**
   * Modified version of <a href="http://fburl.com/8840769">Device.uninstallPackage()</a>.
   *
   * @param device an {@link IDevice}
   * @param packageName application package name
   * @param keepData  true if user data is to be kept
   * @return error message or null if successful
   * @throws InstallException
   */
@Nullable
private String deviceUninstallPackage(IDevice device, String packageName, boolean keepData) throws InstallException {
    try {
        AdbHelper.ErrorParsingReceiver receiver = new AdbHelper.ErrorParsingReceiver() {

            @Override
            @Nullable
            protected String matchForError(String line) {
                return line.toLowerCase(Locale.US).contains("failure") ? line : null;
            }
        };
        device.executeShellCommand("pm uninstall " + (keepData ? "-k " : "") + packageName, receiver, AdbHelper.INSTALL_TIMEOUT, TimeUnit.MILLISECONDS);
        return receiver.getErrorMessage();
    } catch (AdbCommandRejectedException | IOException | ShellCommandUnresponsiveException | TimeoutException e) {
        throw new InstallException(e);
    }
}

Example 3 with Nullable

use of javax.annotation.Nullable in project buck by facebook.

the class ResolveAliasHelper method validateBuildTargetForFullyQualifiedTarget.

/**
   * Verify that the given target is a valid full-qualified (non-alias) target.
   */
@Nullable
static String validateBuildTargetForFullyQualifiedTarget(CommandRunnerParams params, ListeningExecutorService executor, boolean enableProfiling, String target, Parser parser) {
    BuildTarget buildTarget = getBuildTargetForFullyQualifiedTarget(params.getBuckConfig(), target);
    Cell owningCell = params.getCell().getCell(buildTarget);
    Path buildFile;
    try {
        buildFile = owningCell.getAbsolutePathToBuildFile(buildTarget);
    } catch (Cell.MissingBuildFileException e) {
        throw new HumanReadableException(e);
    }
    // Get all valid targets in our target directory by reading the build file.
    ImmutableSet<TargetNode<?, ?>> targetNodes;
    try {
        targetNodes = parser.getAllTargetNodes(params.getBuckEventBus(), owningCell, enableProfiling, executor, buildFile);
    } catch (BuildFileParseException e) {
        throw new HumanReadableException(e);
    }
    // Check that the given target is a valid target.
    for (TargetNode<?, ?> candidate : targetNodes) {
        if (candidate.getBuildTarget().equals(buildTarget)) {
            return buildTarget.getFullyQualifiedName();
        }
    }
    return null;
}

Example 4 with Nullable

use of javax.annotation.Nullable in project crate by crate.

the class ExpressionAnalyzer method getQuotedSubscriptLiteral.

@Nullable
protected static String getQuotedSubscriptLiteral(String nodeName) {
    Matcher matcher = SUBSCRIPT_SPLIT_PATTERN.matcher(nodeName);
    if (matcher.matches()) {
        StringBuilder quoted = new StringBuilder();
        String group1 = matcher.group(1);
        if (!group1.isEmpty()) {
            quoted.append("\"").append(group1).append("\"");
        } else {
            quoted.append(group1);
        }
        String group2 = matcher.group(2);
        String group3 = matcher.group(3);
        if (!group2.isEmpty() && !group3.isEmpty()) {
            quoted.append(matcher.group(2));
            quoted.append("\"").append(group3).append("\"");
        } else if (!group2.isEmpty() && group3.isEmpty()) {
            return null;
        }
        quoted.append(matcher.group(4));
        return quoted.toString();
    } else {
        return null;
    }
}

Example 5 with Nullable

use of javax.annotation.Nullable in project crate by crate.

the class OrderBy method subset.

/**
     * Create a new OrderBy with symbols that match the predicate
     */
@Nullable
public OrderBy subset(Predicate<? super Symbol> predicate) {
    List<Integer> subSet = new ArrayList<>();
    Integer i = 0;
    for (Symbol orderBySymbol : orderBySymbols) {
        if (predicate.apply(orderBySymbol)) {
            subSet.add(i);
        }
        i++;
    }
    if (subSet.isEmpty()) {
        return null;
    }
    return subset(subSet);
}