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.google.collide.codemirror2.CodeMirror2.java

public static Parser getParser(PathUtil path) {
    SyntaxType type = SyntaxType.syntaxTypeByFilePath(path);
    CmParser parser = getParserForMime(type.getMimeType());
    Preconditions.checkNotNull(parser);
    parser.setType(type);/*from w  ww  .jav a 2 s.  c om*/

    // TODO: testing no smart indentation to see how it feels
    parser.setPreventSmartIndent(type != SyntaxType.PY);
    return parser;
}

From source file:org.apache.accumulo.core.volume.VolumeConfiguration.java

public static Volume getVolume(String path, Configuration conf, AccumuloConfiguration acuconf)
        throws IOException {
    Preconditions.checkNotNull(path);

    if (path.contains(":")) {
        // An absolute path
        return create(new Path(path), conf);
    } else {/*from w  ww  . j  a va  2s.  c o  m*/
        // A relative path
        return getDefaultVolume(conf, acuconf);
    }
}

From source file:alluxio.client.ClientContext.java

/**
 * Initializes the client context singleton, bringing all non-Alluxio configuration state in sync
 * with the current Alluxio configuration.
 *
 * This method is useful for updating parts of {@link ClientContext} which depend on
 * {@link Configuration} when {@link Configuration} is changed, e.g. the master hostname or port.
 * This method requires that configuration has been initialized.
 *//*ww w.j ava2 s . c o  m*/
public static void init() {
    String masterHostname = Preconditions.checkNotNull(Configuration.get(PropertyKey.MASTER_HOSTNAME));
    int masterPort = Configuration.getInt(PropertyKey.MASTER_RPC_PORT);
    sMasterAddress = new InetSocketAddress(masterHostname, masterPort);

    MetricsSystem.startSinks();
}

From source file:com.anhth12.lambda.ml.param.Unordered.java

Unordered(Collection<T> values) {
    Preconditions.checkNotNull(values);
    Preconditions.checkArgument(!values.isEmpty());
    this.values = new ArrayList<>(values);
}

From source file:uk.jamierocks.canarybukkit.CanaryUtils.java

public static BiomeType getBiome(org.bukkit.block.Biome biome) {
    Preconditions.checkNotNull(biome);
    switch (biome) {
    case BEACH:/*from   w w  w  .j  a  v  a  2s  . c  o  m*/
        return BiomeType.BEACH;
    case BIRCH_FOREST:
        return BiomeType.FOREST_BIRCH;
    case BIRCH_FOREST_HILLS:
        return BiomeType.HILLS_FOREST_BIRCH;
    case BIRCH_FOREST_HILLS_MOUNTAINS:
        return BiomeType.HILLS_FOREST_BIRCH; // TODO: check.
    case BIRCH_FOREST_MOUNTAINS:
        return BiomeType.HILLS_FOREST_BIRCH; // TODO: check.
    case COLD_BEACH:
        return BiomeType.BEACH_COLD;
    case COLD_TAIGA:
        return BiomeType.TAIGA_COLD;
    case COLD_TAIGA_HILLS:
        return BiomeType.HILLS_TAIGA_COLD;
    case COLD_TAIGA_MOUNTAINS:
        return BiomeType.HILLS_TAIGA_COLD; // TODO: check.
    case DEEP_OCEAN:
        return BiomeType.OCEAN_DEEP;
    case DESERT:
        return BiomeType.DESERT;
    case DESERT_HILLS:
        return BiomeType.HILLS_DESERT;
    case DESERT_MOUNTAINS:
        return BiomeType.HILLS_DESERT; // TODO: check.
    case EXTREME_HILLS:
        return BiomeType.HILLS_EXTREME;
    case EXTREME_HILLS_MOUNTAINS:
        return BiomeType.HILLS_EXTREME; // TODO: check.
    case EXTREME_HILLS_PLUS:
        return BiomeType.HILLS_EXTREME_PLUS;
    case EXTREME_HILLS_PLUS_MOUNTAINS:
        return BiomeType.HILLS_EXTREME_PLUS; // TODO: check.
    case FLOWER_FOREST:
        return BiomeType.FOREST; // TODO: check.
    case FOREST:
        return BiomeType.FOREST;
    case FOREST_HILLS:
        return BiomeType.HILLS_FOREST;
    case FROZEN_OCEAN:
        return BiomeType.OCEAN_FROZEN;
    case FROZEN_RIVER:
        return BiomeType.RIVER_FROZEN;
    case HELL:
        return BiomeType.HELL;
    case ICE_MOUNTAINS:
        return BiomeType.MOUNTAINS_ICE;
    case ICE_PLAINS:
        return BiomeType.PLAINS_ICE;
    case ICE_PLAINS_SPIKES:
        return BiomeType.PLAINS_ICE; // TODO: check.
    case JUNGLE:
        return BiomeType.JUNGLE;
    case JUNGLE_EDGE:
        return BiomeType.JUNGLE;
    case JUNGLE_EDGE_MOUNTAINS:
        return BiomeType.JUNGLE_EDGE; // TODO: check.
    case JUNGLE_HILLS:
        return BiomeType.HILLS_JUNGLE;
    case JUNGLE_MOUNTAINS:
        return BiomeType.HILLS_JUNGLE; // TODO: check.
    case MEGA_SPRUCE_TAIGA:
        return BiomeType.TAIGA_MEGA; // TODO: check.
    case MEGA_SPRUCE_TAIGA_HILLS:
        return BiomeType.HILLS_TAIGA_MEGA; // TODO: check.
    case MEGA_TAIGA:
        return BiomeType.TAIGA_MEGA;
    case MEGA_TAIGA_HILLS:
        return BiomeType.HILLS_TAIGA_MEGA;
    case MESA:
        return BiomeType.MESA;
    case MESA_BRYCE:
        return BiomeType.MESA; // TODO check.
    case MESA_PLATEAU:
        return BiomeType.MESA; // TODO check.
    case MESA_PLATEAU_FOREST:
        return BiomeType.MESA; // TODO check.
    case MESA_PLATEAU_FOREST_MOUNTAINS:
        return BiomeType.MESA; // TODO check.
    case MESA_PLATEAU_MOUNTAINS:
        return BiomeType.MESA; // TODO check.
    case MUSHROOM_ISLAND:
        return BiomeType.MUSHROOM_ISLAND;
    case MUSHROOM_SHORE:
        return BiomeType.MUSHROOM_ISLAND_SHORE; // TODO: check.
    case OCEAN:
        return BiomeType.OCEAN;
    case PLAINS:
        return BiomeType.PLAINS;
    case RIVER:
        return BiomeType.RIVER;
    case ROOFED_FOREST:
        return BiomeType.FOREST_ROOFED;
    case ROOFED_FOREST_MOUNTAINS:
        return BiomeType.FOREST_ROOFED; // TODO: check.
    case SAVANNA:
        return BiomeType.SAVANNA;
    case SAVANNA_MOUNTAINS:
        return BiomeType.SAVANNA; // TODO: check.
    case SAVANNA_PLATEAU:
        return BiomeType.SAVANNA; // TODO: check.
    case SAVANNA_PLATEAU_MOUNTAINS:
        return BiomeType.SAVANNA; // TODO: check.
    case SKY:
        return BiomeType.SKY;
    case SMALL_MOUNTAINS:
        return BiomeType.HILLS_JUNGLE; // TODO: check.
    case STONE_BEACH:
        return BiomeType.BEACH_STONE;
    case SUNFLOWER_PLAINS:
        return BiomeType.PLAINS; // TODO: check.
    case SWAMPLAND:
        return BiomeType.SWAMPLAND;
    case SWAMPLAND_MOUNTAINS:
        return BiomeType.SWAMPLAND; // TODO: check.
    case TAIGA:
        return BiomeType.TAIGA;
    case TAIGA_HILLS:
        return BiomeType.TAIGA; // TODO: check.
    case TAIGA_MOUNTAINS:
        return BiomeType.TAIGA; // TODO: check.
    default:
        return BiomeType.PLAINS;
    }
}

From source file:org.trancecode.lang.TcStrings.java

/**
 * Splits this string around matches of the given separator sequence.
 * /*from w w  w.j  ava  2  s  . co  m*/
 * @param separatorSequence
 *            the separator (not a regular expression).
 */
public static Iterable<String> split(final String string, final String separatorSequence) {
    Preconditions.checkNotNull(string);
    TcPreconditions.checkNotEmpty(separatorSequence);

    return () -> {
        if (string.isEmpty()) {
            return Iterators.singletonIterator(string);
        }

        final int index = string.indexOf(separatorSequence);
        if (index < 0) {
            return Iterators.singletonIterator(string);
        }

        final String after = string.substring(index + separatorSequence.length());
        return TcIterables.prepend(split(after, separatorSequence), string.substring(0, index)).iterator();
    };
}

From source file:org.apache.phoenix.pig.util.ColumnInfoToStringEncoderDecoder.java

public static String encode(List<ColumnInfo> columnInfos) {
    Preconditions.checkNotNull(columnInfos);
    return Joiner.on(COLUMN_INFO_DELIMITER).skipNulls().join(columnInfos);
}

From source file:org.geogit.api.config.RemoteConfigObject.java

public RemoteConfigObject(String name, String fetch, String url) {
    Preconditions.checkNotNull(name);
    Preconditions.checkNotNull(url);//from   w  w w.  j a  v  a2  s. com
    Preconditions.checkNotNull(fetch);
    this.name = name;
    this.url = url;
    this.fetch = fetch;
}

From source file:org.opendaylight.yangtools.binding.data.codec.impl.ReflectionBasedCodec.java

ReflectionBasedCodec(final Class<?> typeClass) {
    this.typeClass = Preconditions.checkNotNull(typeClass);
}

From source file:eu.crisis_economics.abm.algorithms.statistics.StdDevOfTimeSeriesStatistic.java

/**
  * Compute the standard deviation of a timeseries (static method).
  * @param timeSeries/*from w  w  w  .  jav  a2  s. co  m*/
  *        The timeseries for which to compute the statistic.
  */
static double computeFor(final DiscreteTimeSeries timeSeries) {
    Preconditions.checkNotNull(timeSeries);
    StdDevOfTimeSeriesStatistic statistic = new StdDevOfTimeSeriesStatistic();
    return statistic.measureStatistic(timeSeries);
}