Java Preconditions.checkArgument方法代码示例

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
/**
 * Performs all necessary setup steps for running requests against the API.
 *
 * @param applicationName the name of the application: com.example.app
 * @param serviceAccountEmail the Service Account Email (empty if using
 *            installed application)
 * @return the {@Link AndroidPublisher} service
 * @throws GeneralSecurityException
 * @throws IOException
 */
public static AndroidPublisher init(String applicationName,
                                    @Nullable String serviceAccountEmail) throws IOException, GeneralSecurityException {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(applicationName),
            "applicationName cannot be null or empty!");

    // Authorization.
    newTrustedTransport();
    Credential credential;
    if (serviceAccountEmail == null || serviceAccountEmail.isEmpty()) {
        //TODO : ask for the service account and key.p12 file with a dialog ;)
        credential = authorizeWithServiceAccount(serviceAccountEmail);
    } else {
        credential = authorizeWithServiceAccount(serviceAccountEmail);
    }

    // Set up and return API client.
    return new AndroidPublisher.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, credential).setApplicationName(applicationName)
            .build();
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
/**
 * Parse HttpServletRequest to JSON-RPC request
 * Assumed the request content is encoded with UTF-8
 * @param request HttpServletRequest
 * @return JSONRPC2Request
 * @throws IOException
 */
protected JSONRPC2Request parseJsonRequest(HttpServletRequest request) throws IOException, JSONRPC2ParseException {
    String contentType = request.getHeader("Content-Type");
    Integer contentLength = Ints.tryParse(request.getHeader("Content-Length"));
    Preconditions.checkArgument(requestValidator(contentType, contentLength), "Invalid JSON request");
    BufferedReader reader = request.getReader();
    StringBuffer message = new StringBuffer();
    char[] buffer = new char[contentLength];
    int numRead = 0;
    while (numRead < contentLength) {
        int read = reader.read(buffer, 0, buffer.length);
        String s = new String(buffer, 0, read);
        numRead += s.getBytes(Charsets.UTF_8).length;
        message.append(s);
    }
    return JSONRPC2Request.parse(message.toString(), true, true, true);
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
@Override
public RowFilter adapt(FilterAdapterContext context, FuzzyRowFilter filter) throws IOException {
  Interleave.Builder interleaveBuilder = Interleave.newBuilder();
  List<Pair<byte[], byte[]>> pairs = extractFuzzyRowFilterPairs(filter);
  if (pairs.isEmpty()) {
    return ALL_VALUES_FILTER;
  }
  for (Pair<byte[], byte[]> pair : pairs) {
    Preconditions.checkArgument(
        pair.getFirst().length == pair.getSecond().length,
        "Fuzzy info and match mask must have the same length");
    interleaveBuilder.addFilters(
        createSingleRowFilter(
            pair.getFirst(), pair.getSecond()));
  }
  return RowFilter.newBuilder().setInterleave(interleaveBuilder).build();
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
/**
 * Performs all necessary setup steps for running requests against the API.
 *
 * @param applicationName the name of the application: com.example.app
 * @param serviceAccountEmail the Service Account Email (empty if using
 *            installed application)
 * @return the {@Link AndroidPublisher} service
 * @throws GeneralSecurityException
 * @throws IOException
 */
protected static AndroidPublisher init(String applicationName,
                                       @Nullable String serviceAccountEmail) throws IOException, GeneralSecurityException {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(applicationName),
            "applicationName cannot be null or empty!");

    // Authorization.
    newTrustedTransport();
    Credential credential;
    if (serviceAccountEmail == null || serviceAccountEmail.isEmpty()) {
        credential = authorizeWithInstalledApplication();
    } else {
        credential = authorizeWithServiceAccount(serviceAccountEmail);
    }

    // Set up and return API client.
    return new AndroidPublisher.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, credential).setApplicationName(applicationName)
            .build();
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
private AndroidPublisherExtension getAndVerifyExtension() {
	AndroidPublisherExtension publisherExtension = getProject().getExtensions()
			.getByType(AndroidPublisherExtension.class);

	Preconditions.checkArgument(!Strings.isNullOrEmpty(
					publisherExtension.getApplicationName()),
			"Application name cannot be null or empty!");
	Preconditions.checkArgument(!Strings.isNullOrEmpty(
					publisherExtension.getTrack()),
			"Track cannot be null or empty!");
	Preconditions.checkArgument(!Strings.isNullOrEmpty(
					publisherExtension.getVariantName()),
			"Variant name cannot be null or empty!");
	Preconditions.checkArgument(!Strings.isNullOrEmpty(
					publisherExtension.getPackageName()),
			"Package name cannot be null or empty!");
	Preconditions.checkArgument(!Strings.isNullOrEmpty(
					publisherExtension.getServiceAccountEmail()),
			"Service account email cannot be null or empty!");
	Preconditions.checkArgument(publisherExtension.getServiceAccountKeyFile() != null,
			"Service account key file cannot be null or empty!");

	return publisherExtension;
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
@Override
public List<String> getPages(String siteProperty, String startDate, String endDate, String country, int rowLimit,
    List<GoogleWebmasterFilter.Dimension> requestedDimensions, List<ApiDimensionFilter> filters, int startRow)
    throws IOException {
  checkRowLimit(rowLimit);
  Preconditions.checkArgument(requestedDimensions.contains(GoogleWebmasterFilter.Dimension.PAGE));

  SearchAnalyticsQueryResponse rspByCountry =
      createSearchAnalyticsQuery(siteProperty, startDate, endDate, requestedDimensions,
          GoogleWebmasterFilter.andGroupFilters(filters), rowLimit, startRow).execute();

  List<ApiDataRow> pageRows = rspByCountry.getRows();
  List<String> pages = new ArrayList<>(rowLimit);
  if (pageRows != null) {
    int pageIndex = requestedDimensions.indexOf(GoogleWebmasterFilter.Dimension.PAGE);
    for (ApiDataRow row : pageRows) {
      pages.add(row.getKeys().get(pageIndex));
    }
  }
  return pages;
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
/**
 * Performs all necessary setup steps for running requests against the API.
 *
 * @param applicationName the name of the application: com.example.app
 * @param serviceAccountEmail the Service Account Email (empty if using
 *            installed application)
 * @return the {@Link AndroidPublisher} service
 * @throws GeneralSecurityException
 * @throws IOException
 */
protected static AndroidPublisher init(String applicationName,
        @Nullable String serviceAccountEmail) throws IOException, GeneralSecurityException {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(applicationName),
            "applicationName cannot be null or empty!");

    // Authorization.
    newTrustedTransport();
    Credential credential;
    if (serviceAccountEmail == null || serviceAccountEmail.isEmpty()) {
        credential = authorizeWithInstalledApplication();
    } else {
        credential = authorizeWithServiceAccount(serviceAccountEmail);
    }

    // Set up and return API client.
    return new AndroidPublisher.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, credential).setApplicationName(applicationName)
            .build();
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
@Override
public void unbzip2Project(
        String projectName,
        InputStream dataStream
) throws IOException {
    Preconditions.checkArgument(
            Project.isValidProjectName(projectName),
            "[%s] invalid project name: ",
            projectName
    );
    Preconditions.checkState(
            getDirForProject(projectName).mkdirs(),
            "[%s] directories for " +
                    "evicted project already exist",
            projectName
    );
    Tar.bz2.unzip(dataStream, getDirForProject(projectName));
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
private static void addTarDir(
        TarArchiveOutputStream tout,
        Path base,
        File dir
) throws IOException {
    Preconditions.checkArgument(dir.isDirectory());
    String name = base.relativize(
            Paths.get(dir.getAbsolutePath())
    ).toString();
    ArchiveEntry entry = tout.createArchiveEntry(dir, name);
    tout.putArchiveEntry(entry);
    tout.closeArchiveEntry();
    for (File f : dir.listFiles()) {
        addTarEntry(tout, base, f);
    }
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
private GitDirectoryContents makeDirContents(
        String... contents
) {
    Preconditions.checkArgument(contents.length % 2 == 0);
    List<RawFile> files = new ArrayList<>(contents.length / 2);
    for (int i = 0; i + 1 < contents.length; i += 2) {
        files.add(
                new RepositoryFile(
                        contents[i],
                        contents[i + 1].getBytes(StandardCharsets.UTF_8)
                )
        );
    }
    return new GitDirectoryContents(
            files,
            repoStore.getRootDirectory(),
            "repo",
            "Winston Li",
            "[email protected]",
            "Commit Message",
            new Date()
    );
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
public FlyKit(boolean allowFlight, @Nullable Boolean flying, float flySpeedMultiplier) {
    Preconditions.checkArgument(flying == null || !(flying && !allowFlight), "Flying cannot be true if allow-flight is false");

    this.allowFlight = allowFlight;
    this.flying = flying;
    this.flySpeedMultiplier = flySpeedMultiplier;
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
public static AndroidPublisher init(Context context, String fileName) throws IOException {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(context.getPackageName()), "applicationId cannot be null or empty!");
    newTrustedTransport();
    GoogleCredential credential = GoogleCredential.fromStream(context.getAssets().open(fileName), HTTP_TRANSPORT, JSON_FACTORY);
    credential = credential.createScoped(Collections.singleton(AndroidPublisherScopes.ANDROIDPUBLISHER));

    return new AndroidPublisher.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential)
            .setApplicationName(context.getPackageName())
            .build();
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
public HttpsConfiguration build()
{
    Preconditions.checkArgument(!(httpsConf.serverKeystorePath == null ^ httpsConf.serverKeystorePassword == null),
        "Both or neither of EXHIBITOR_TLS_SERVER_KEYSTORE_PATH and EXHIBITOR_TLS_SERVER_KEYSTORE_PASSWORD must be specified.");
    Preconditions.checkArgument(!(httpsConf.clientKeystorePath == null ^ httpsConf.clientKeystorePassword == null),
        "Both or neither of EXHIBITOR_TLS_CLIENT_KEYSTORE_PATH and EXHIBITOR_TLS_CLIENT_KEYSTORE_PASSWORD must be specified.");
    Preconditions.checkArgument(!(httpsConf.truststorePath == null ^ httpsConf.truststorePassword == null),
        "Both or neither of EXHIBITOR_TLS_TRUSTSTORE_PATH and EXHIBITOR_TLS_TRUSTSTORE_PASSWORD must be specified.");
    Preconditions.checkArgument(httpsConf.serverKeystorePath == null || !httpsConf.verifyPeerCert
        || httpsConf.truststorePath != null,
        "Verify peer cert requires truststore path and password to be specified.");
    return httpsConf;
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
public UnsupportedFilterException(List<FilterSupportStatus> filterSupportStatuses) {
  super(String.format(
      "Unsupported filters encountered: %s",
      STATUS_JOINER.join(filterSupportStatuses)));
  Preconditions.checkArgument(
      !filterSupportStatuses.isEmpty(), "Unsupported statuses should not be empty.");
  this.filterSupportStatuses = filterSupportStatuses;
}
 

import com.google.api.client.repackaged.com.google.common.base.Preconditions; //导入方法依赖的package包/类
/**
 * Collect unsupported status objects into the given list.
 */
public void collectUnsupportedStatuses(
    FilterAdapterContext context,
    Filter filter,
    List<FilterSupportStatus> statuses) {
  Preconditions.checkArgument(isFilterAProperSublcass(filter));
  unsupportedStatusCollector.collectUnsupportedStatuses(
      context,
      unchecked(filter),
      statuses);
}