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

Introduction

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

Prototype

public static void checkArgument(boolean expression, @Nullable Object errorMessage)

Source Link

Document

Ensures the truth of an expression involving one or more parameters to the calling method.

Usage

From source file:org.haiku.haikudepotserver.dataobjects.UserRating.java

public static Optional<UserRating> tryGetByCode(ObjectContext context, String code) {
    Preconditions.checkArgument(null != context, "the context must be supplied");
    Preconditions.checkArgument(!Strings.isNullOrEmpty(code), "the code must be supplied");
    return Optional.ofNullable(ObjectSelect.query(UserRating.class).where(CODE.eq(code)).selectOne(context));
}

From source file:com.palantir.docker.compose.connection.State.java

public static State parseFromDockerComposePs(String psOutput) {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(psOutput), "No container found");
    Matcher matcher = STATE_PATTERN.matcher(psOutput);
    Preconditions.checkState(matcher.find(), "Could not parse status: %s", psOutput);
    String matchedStatus = matcher.group(STATE_INDEX);
    return valueOf(matchedStatus);
}

From source file:io.pravega.controller.store.host.HostStoreFactory.java

public static HostControllerStore createStore(final HostMonitorConfig hostMonitorConfig,
        final StoreClient storeClient) {

    Preconditions.checkNotNull(hostMonitorConfig, "hostMonitorConfig");
    Preconditions.checkNotNull(storeClient, "storeClient");

    if (hostMonitorConfig.isHostMonitorEnabled()) {
        Preconditions.checkArgument(storeClient.getType() == StoreType.Zookeeper,
                "If host monitor is enabled then the store type should be Zookeeper");
        log.info("Creating Zookeeper based host store");
        return new ZKHostStore((CuratorFramework) storeClient.getClient(),
                hostMonitorConfig.getContainerCount());
    } else {//  ww w.j  a  va2s . c  o  m
        // We create an in-memory host store using the configuration passed in hostMonitorConfig.
        log.info("Creating in-memory host store");
        return createInMemoryStore(hostMonitorConfig);
    }
}

From source file:org.haiku.haikudepotserver.dataobjects.PkgCategory.java

public static Optional<PkgCategory> getByCode(ObjectContext context, final String code) {
    Preconditions.checkArgument(null != context, "the context must be provided");
    Preconditions.checkArgument(!Strings.isNullOrEmpty(code), "the code must be supplied");
    return getAll(context).stream().filter(pc -> pc.getCode().equals(code)).collect(SingleCollector.optional());
}

From source file:org.terasology.commonworld.geom.Point2d.java

/**
 * @param a the first point/*from  www .ja va  2s .  co m*/
 * @param b the second point
 * @param ipol the interpolation value in the range [0..1]
 * @return the interpolated point
 */
public static Point2md ipol(Point2d a, Point2d b, double ipol) {
    Preconditions.checkArgument(ipol >= 0 && ipol <= 1, "ipol must be in [0..1]");

    double x = a.getX() * (1.0 - ipol) + b.getX() * ipol;
    double y = a.getY() * (1.0 - ipol) + b.getY() * ipol;
    return new Point2md(x, y);
}

From source file:app.philm.in.fragments.MovieCastListFragment.java

public static MovieCastListFragment create(String movieId) {
    Preconditions.checkArgument(!TextUtils.isEmpty(movieId), "movieId cannot be empty");

    Bundle bundle = new Bundle();
    bundle.putString(KEY_QUERY_MOVIE_ID, movieId);

    MovieCastListFragment fragment = new MovieCastListFragment();
    fragment.setArguments(bundle);/*  w w  w.  java  2  s  .  c  om*/

    return fragment;
}

From source file:app.philm.in.fragments.MovieCrewListFragment.java

public static MovieCrewListFragment create(String movieId) {
    Preconditions.checkArgument(!TextUtils.isEmpty(movieId), "movieId cannot be empty");

    Bundle bundle = new Bundle();
    bundle.putString(KEY_QUERY_MOVIE_ID, movieId);

    MovieCrewListFragment fragment = new MovieCrewListFragment();
    fragment.setArguments(bundle);//from   w w  w.j  a v  a 2  s  .c  om

    return fragment;
}

From source file:aritzh.waywia.util.RenderUtil.java

public static Image getImage(String filename) {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(filename), "Image file name must not be null or empty!");
    if (!filename.endsWith(".png"))
        filename += ".png";
    filename = "img/" + filename;
    try {/*from  w  ww. j  a  va 2s  .  co  m*/
        return new Image(TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream(filename)));
    } catch (Exception e) {
        Game.logger.e("Could not load image " + filename, e);
    }
    return null;
}

From source file:io.pravega.common.MathHelpers.java

public static double minMax(double value, double min, double max) {
    Preconditions.checkArgument(min <= max, "min must be less than or equal to max");
    return Math.max(Math.min(value, max), min);
}

From source file:app.philm.in.fragments.PersonCastListFragment.java

public static PersonCastListFragment create(String personId) {
    Preconditions.checkArgument(!TextUtils.isEmpty(personId), "personId cannot be empty");

    Bundle bundle = new Bundle();
    bundle.putString(KEY_QUERY_PERSON_ID, personId);

    PersonCastListFragment fragment = new PersonCastListFragment();
    fragment.setArguments(bundle);//from   w  w  w . j av  a2 s. co m

    return fragment;
}