Example usage for com.google.common.base Preconditions checkNotNull

Introduction

In this page you can find the example usage for com.google.common.base Preconditions checkNotNull.

Prototype

public static <T> T checkNotNull(T reference)

Source Link

Document

Ensures that an object reference passed as a parameter to the calling method is not null.

Usage

From source file:com.facebook.buck.rules.IndividualTestEvent.java

public static Finished finished(Iterable<String> targets, TestResults results) {
    return new Finished(targets.hashCode(), Preconditions.checkNotNull(results));
}

From source file:com.google.gerrit.common.RawInputUtil.java

public static RawInput create(final byte[] bytes, final String contentType) {
    Preconditions.checkNotNull(bytes);
    Preconditions.checkArgument(bytes.length > 0);
    return new RawInput() {
        @Override// w  w  w .  jav a2  s  .  c  o m
        public InputStream getInputStream() throws IOException {
            return new ByteArrayInputStream(bytes);
        }

        @Override
        public String getContentType() {
            return contentType;
        }

        @Override
        public long getContentLength() {
            return bytes.length;
        }
    };
}

From source file:org.xacml4j.v30.types.IntegerExp.java

public static IntegerExp of(String v) {
    Preconditions.checkNotNull(v);
    if ((v.length() >= 1) && (v.charAt(0) == '+')) {
        v = v.substring(1);/*from w w  w.j a v a  2  s .c  om*/
    }
    return new IntegerExp(Long.parseLong(v));
}

From source file:com.facebook.buck.cli.CommandHelper.java

public static void printJSON(CommandRunnerParams params, Multimap<String, QueryTarget> targetsAndResults)
        throws IOException {
    Multimap<String, String> targetsAndResultsNames = Multimaps.transformValues(targetsAndResults,
            input -> Preconditions.checkNotNull(input.toString()));
    params.getObjectMapper().writeValue(params.getConsole().getStdOut(), targetsAndResultsNames.asMap());
}

From source file:com.google.copybara.git.GitAuthorParser.java

/**
 * Parses a Git author {@code string} into an {@link Author}.
 *///from w  ww.  j  a v  a2  s . co  m
static Author parse(String author) {
    Preconditions.checkNotNull(author);
    Matcher matcher = AUTHOR_PATTERN.matcher(author);
    Preconditions.checkArgument(matcher.matches(), "Invalid author '%s'. Must be in the form of 'Name <email>'",
            author);
    return new Author(matcher.group(1).trim(), matcher.group(2).trim());
}

From source file:com.google.copybara.authoring.AuthorParser.java

/**
 * Parses a Git author {@code string} into an {@link Author}.
 *//*from  w  w w.ja  va 2  s.c  om*/
public static Author parse(String author) throws InvalidAuthorException {
    Preconditions.checkNotNull(author);
    Matcher matcher = AUTHOR_PATTERN.matcher(author);
    if (!matcher.matches()) {
        throw new InvalidAuthorException(
                String.format("Invalid author '%s'. Must be in the form of 'Name <email>'", author));
    }
    return new Author(matcher.group(1).trim(), matcher.group(2).trim());
}

From source file:harp.util.FileUtil.java

/**
 * Find a file with the given base name, searching upward from the given starting directory.
 *
 * @param filename the base filename to look for
 * @param startingPath the starting directory to search upward from
 *
 * @return an {@code Optional} containing the Path of the file if found, or an empty Optional
 *     otherwise//from  www  . j a  va  2 s.c  o  m
 */
public static Optional<Path> findUpward(String filename, Path startingPath) {
    Preconditions.checkNotNull(filename);
    Preconditions.checkArgument(!filename.contains(File.separator));
    Preconditions.checkArgument(Files.isDirectory(startingPath));
    Path possibleRootDir = startingPath;
    while (possibleRootDir != null) {
        Path possiblePath = possibleRootDir.resolve(filename);
        if (Files.isRegularFile(possiblePath)) {
            return Optional.of(possiblePath);
        } else {
            possibleRootDir = possibleRootDir.getParent();
        }
    }
    return Optional.absent();
}

From source file:com.minlia.cloud.framework.common.util.SearchCommonUtil.java

public static List<Triple<String, ClientOperation, String>> parseQueryString(final String queryString) {
    Preconditions.checkNotNull(queryString);
    Preconditions.checkState(queryString.matches("((id~?=[0-9]+)?,?)*((name~?=[0-9a-zA-Z\\-_/*]+),?)*"));

    final List<Triple<String, ClientOperation, String>> tuplesList = Lists.newArrayList();
    final String[] tuples = queryString.split(QueryConstants.SEPARATOR);
    for (final String tuple : tuples) {
        final String[] keyAndValue = tuple.split(QueryConstants.OP);
        Preconditions.checkState(keyAndValue.length == 2);
        tuplesList.add(createConstraintFromUriParam(keyAndValue[0], keyAndValue[1]));
    }/*from   w  w w.j a v a 2s . c o m*/

    return tuplesList;
}

From source file:io.github.msdk.util.MsScanUtil.java

/**
 * <p>//from www .j  av a  2s.c  o  m
 * clone.
 * </p>
 *
 * @param newStore
 *            a {@link io.github.msdk.datamodel.datastore.DataPointStore}
 *            object.
 * @param scan
 *            a {@link io.github.msdk.datamodel.rawdata.MsScan} object.
 * @param copyDataPoints
 *            a {@link java.lang.Boolean} object.
 * @return a {@link io.github.msdk.datamodel.rawdata.MsScan} object.
 */
@Nonnull
static public MsScan clone(@Nonnull DataPointStore newStore, @Nonnull MsScan scan,
        @Nonnull Boolean copyDataPoints) {

    Preconditions.checkNotNull(newStore);
    Preconditions.checkNotNull(scan);
    Preconditions.checkNotNull(copyDataPoints);

    MsScan newScan = MSDKObjectBuilder.getMsScan(newStore, scan.getScanNumber(), scan.getMsFunction());

    newScan.setPolarity(scan.getPolarity());
    newScan.setMsScanType(scan.getMsScanType());
    newScan.setScanningRange(scan.getScanningRange());
    newScan.setChromatographyInfo(scan.getChromatographyInfo());
    newScan.setSourceInducedFragmentation(scan.getSourceInducedFragmentation());
    newScan.getIsolations().addAll(scan.getIsolations());

    if (copyDataPoints) {
        double mzValues[] = scan.getMzValues();
        float intensityValues[] = scan.getIntensityValues();
        newScan.setDataPoints(mzValues, intensityValues, scan.getNumberOfDataPoints());
    }

    return newScan;
}

From source file:com.jjm.android.googleplaces.util.ApiKeys.java

/**
 * Add an api key./*from  www .  j  av  a2s  .  com*/
 * @param id an id that can be used to retreive the api key.
 * @param apiKey the api key.
 */
public static void addApiKey(String id, String apiKey) {
    sApiKeys.put(Preconditions.checkNotNull(id), Preconditions.checkNotNull(apiKey));
}