Examples with Matcher java.util.regex.Matcher used on opensource projects

Example 6 with Matcher

use of java.util.regex.Matcher in project buck by facebook.

the class CompileStringsStep method groupFilesByLocale.

/**
   * Groups a list of strings.xml files by locale.
   * String files with no resource qualifier (eg. values/strings.xml) are mapped to the "en" locale
   *
   * eg. given the following list:
   *
   * ImmutableList.of(
   *   Paths.get("one/res/values-es/strings.xml"),
   *   Paths.get("two/res/values-es/strings.xml"),
   *   Paths.get("three/res/values-pt-rBR/strings.xml"),
   *   Paths.get("four/res/values-pt-rPT/strings.xml"),
   *   Paths.get("five/res/values/strings.xml"));
   *
   * returns:
   *
   * ImmutableMap.of(
   *   "es", ImmutableList.of(Paths.get("one/res/values-es/strings.xml"),
   *        Paths.get("two/res/values-es/strings.xml")),
   *   "pt_BR", ImmutableList.of(Paths.get("three/res/values-pt-rBR/strings.xml'),
   *   "pt_PT", ImmutableList.of(Paths.get("four/res/values-pt-rPT/strings.xml"),
   *   "en", ImmutableList.of(Paths.get("five/res/values/strings.xml")));
   */
@VisibleForTesting
ImmutableMultimap<String, Path> groupFilesByLocale(ImmutableList<Path> files) {
    ImmutableMultimap.Builder<String, Path> localeToFiles = ImmutableMultimap.builder();
    for (Path filepath : files) {
        String path = MorePaths.pathWithUnixSeparators(filepath);
        Matcher matcher = NON_ENGLISH_STRING_FILE_PATTERN.matcher(path);
        if (matcher.matches()) {
            String baseLocale = matcher.group(1);
            String country = matcher.group(2);
            String locale = country == null ? baseLocale : baseLocale + "_" + country;
            if (country != null && !regionSpecificToBaseLocaleMap.containsKey(locale)) {
                regionSpecificToBaseLocaleMap.put(locale, baseLocale);
            }
            localeToFiles.put(locale, filepath);
        } else {
            Preconditions.checkState(path.endsWith(ENGLISH_STRING_PATH_SUFFIX), "Invalid path passed to compile strings: " + path);
            localeToFiles.put(ENGLISH_LOCALE, filepath);
        }
    }
    return localeToFiles.build();
}

Example 7 with Matcher

use of java.util.regex.Matcher in project buck by facebook.

the class AppleCoreSimulatorServiceController method getCoreSimulatorServicePath.

/**
   * Returns the path on disk to the running Core Simulator service, if any.
   * Returns {@code Optional.empty()} unless exactly one Core Simulator service is running.
   */
public Optional<Path> getCoreSimulatorServicePath(UserIdFetcher userIdFetcher) throws IOException, InterruptedException {
    ImmutableSet<String> coreSimulatorServiceNames = getMatchingServiceNames(CORE_SIMULATOR_SERVICE_PATTERN);
    if (coreSimulatorServiceNames.size() != 1) {
        LOG.debug("Could not get core simulator service name (got %s)", coreSimulatorServiceNames);
        return Optional.empty();
    }
    String coreSimulatorServiceName = Iterables.getOnlyElement(coreSimulatorServiceNames);
    ImmutableList<String> launchctlPrintCommand = ImmutableList.of("launchctl", "print", String.format("user/%d/%s", userIdFetcher.getUserId(), coreSimulatorServiceName));
    LOG.debug("Getting status of service %s with %s", coreSimulatorServiceName, launchctlPrintCommand);
    ProcessExecutorParams launchctlPrintParams = ProcessExecutorParams.builder().setCommand(launchctlPrintCommand).build();
    ProcessExecutor.LaunchedProcess launchctlPrintProcess = processExecutor.launchProcess(launchctlPrintParams);
    Optional<Path> result = Optional.empty();
    try (InputStreamReader stdoutReader = new InputStreamReader(launchctlPrintProcess.getInputStream(), StandardCharsets.UTF_8);
        BufferedReader bufferedStdoutReader = new BufferedReader(stdoutReader)) {
        String line;
        while ((line = bufferedStdoutReader.readLine()) != null) {
            Matcher matcher = LAUNCHCTL_PRINT_PATH_PATTERN.matcher(line);
            if (matcher.matches()) {
                String path = matcher.group(1);
                LOG.debug("Found path of service %s: %s", coreSimulatorServiceName, path);
                result = Optional.of(Paths.get(path));
                break;
            }
        }
    } finally {
        processExecutor.destroyLaunchedProcess(launchctlPrintProcess);
        processExecutor.waitForLaunchedProcess(launchctlPrintProcess);
    }
    return result;
}

Example 8 with Matcher

use of java.util.regex.Matcher in project buck by facebook.

the class AppleCoreSimulatorServiceController method getMatchingServiceNames.

private ImmutableSet<String> getMatchingServiceNames(Pattern serviceNamePattern) throws IOException, InterruptedException {
    ImmutableList<String> launchctlListCommand = ImmutableList.of("launchctl", "list");
    LOG.debug("Getting list of services with %s", launchctlListCommand);
    ProcessExecutorParams launchctlListParams = ProcessExecutorParams.builder().setCommand(launchctlListCommand).build();
    ProcessExecutor.LaunchedProcess launchctlListProcess = processExecutor.launchProcess(launchctlListParams);
    ImmutableSet.Builder<String> resultBuilder = ImmutableSet.builder();
    try (InputStreamReader stdoutReader = new InputStreamReader(launchctlListProcess.getInputStream(), StandardCharsets.UTF_8);
        BufferedReader bufferedStdoutReader = new BufferedReader(stdoutReader)) {
        String line;
        while ((line = bufferedStdoutReader.readLine()) != null) {
            Matcher launchctlListOutputMatcher = LAUNCHCTL_LIST_OUTPUT_PATTERN.matcher(line);
            if (launchctlListOutputMatcher.matches()) {
                String serviceName = launchctlListOutputMatcher.group(3);
                Matcher serviceNameMatcher = serviceNamePattern.matcher(serviceName);
                if (serviceNameMatcher.find()) {
                    LOG.debug("Found matching service name: %s", serviceName);
                    resultBuilder.add(serviceName);
                }
            }
        }
    } finally {
        processExecutor.destroyLaunchedProcess(launchctlListProcess);
        processExecutor.waitForLaunchedProcess(launchctlListProcess);
    }
    return resultBuilder.build();
}

Example 9 with Matcher

use of java.util.regex.Matcher in project buck by facebook.

the class AppleSimulatorController method launchInstalledBundleInSimulator.

/**
   * Launches a previously-installed bundle in a started simulator.
   *
   * @return the process ID of the newly-launched process if successful,
   * an absent value otherwise.
   */
public Optional<Long> launchInstalledBundleInSimulator(String simulatorUdid, String bundleID, LaunchBehavior launchBehavior, List<String> args) throws IOException, InterruptedException {
    ImmutableList.Builder<String> commandBuilder = ImmutableList.builder();
    commandBuilder.add(simctlPath.toString(), "launch");
    if (launchBehavior == LaunchBehavior.WAIT_FOR_DEBUGGER) {
        commandBuilder.add("-w");
    }
    commandBuilder.add(simulatorUdid, bundleID);
    commandBuilder.addAll(args);
    ImmutableList<String> command = commandBuilder.build();
    ProcessExecutorParams processExecutorParams = ProcessExecutorParams.builder().setCommand(command).build();
    Set<ProcessExecutor.Option> options = EnumSet.of(ProcessExecutor.Option.EXPECTING_STD_OUT);
    String message = String.format("Launching bundle ID %s in simulator %s via command %s", bundleID, simulatorUdid, command);
    LOG.debug(message);
    ProcessExecutor.Result result = processExecutor.launchAndExecute(processExecutorParams, options, /* stdin */
    Optional.empty(), /* timeOutMs */
    Optional.empty(), /* timeOutHandler */
    Optional.empty());
    if (result.getExitCode() != 0) {
        LOG.error(result.getMessageForResult(message));
        return Optional.empty();
    }
    Preconditions.checkState(result.getStdout().isPresent());
    String trimmedStdout = result.getStdout().get().trim();
    Matcher stdoutMatcher = SIMCTL_LAUNCH_OUTPUT_PATTERN.matcher(trimmedStdout);
    if (!stdoutMatcher.find()) {
        LOG.error("Could not parse output from %s: %s", command, trimmedStdout);
        return Optional.empty();
    }
    return Optional.of(Long.parseLong(stdoutMatcher.group(1), 10));
}

Example 10 with Matcher

use of java.util.regex.Matcher in project buck by facebook.

the class XctestOutputParsing method handleCaseStarted.

public static void handleCaseStarted(Matcher matcher, BufferedReader outputBufferedReader, XctestEventCallback eventCallback) {
    BeginTestCaseEvent event = new BeginTestCaseEvent();
    event.test = matcher.group(1);
    Matcher nameMatcher = XctestOutputParsing.CASE_PATTERN.matcher(event.test);
    if (nameMatcher.find()) {
        event.className = nameMatcher.group(1);
        event.methodName = nameMatcher.group(2);
    }
    eventCallback.handleBeginTestCaseEvent(event);
    LOG.debug("Started test case: %s", event.test);
    StringBuilder output = new StringBuilder();
    ImmutableList.Builder<TestError> exceptions = new ImmutableList.Builder<TestError>();
    try {
        String line;
        while ((line = outputBufferedReader.readLine()) != null) {
            LOG.debug("Parsing xctest case line: %s", line);
            Matcher caseFinishedMatcher = XctestOutputParsing.CASE_FINISHED_PATTERN.matcher(line);
            if (caseFinishedMatcher.find()) {
                handleCaseFinished(caseFinishedMatcher, exceptions.build(), output.toString(), eventCallback);
                return;
            }
            Matcher errorMatcher = XctestOutputParsing.ERROR_PATTERN.matcher(line);
            if (errorMatcher.find()) {
                handleError(errorMatcher, exceptions);
                continue;
            }
            output.append(line);
            output.append("\n");
        }
    } catch (IOException e) {
        LOG.error("Error reading line");
    }
    LOG.error("Test case did not end!");
    // Synthesize a failure to note the test crashed or stopped.
    EndTestCaseEvent endEvent = new EndTestCaseEvent();
    endEvent.test = event.test;
    endEvent.className = event.className;
    endEvent.methodName = event.methodName;
    endEvent.totalDuration = 0;
    endEvent.output = output.toString();
    // failure
    endEvent.succeeded = false;
    endEvent.exceptions = exceptions.build();
    eventCallback.handleEndTestCaseEvent(endEvent);
}