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, @Nullable Object errorMessage)

Source Link

Document

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

Usage

From source file:net.awired.visuwall.plugin.teamcity.States.java

public static final State asVisuwallState(String teamcityState) {
    Preconditions.checkNotNull(teamcityState, "teamcityState is mandatory");
    State state = STATE_MAPPING.get(teamcityState);
    if (state == null) {
        state = State.UNKNOWN;
        LOG.warn(// w  w  w  .  j a  va 2s  .com
                teamcityState + " is not available in TeamCity plugin. Please report it to Visuwall dev team.");
    }
    return state;
}

From source file:works.chatterbox.hooks.ircchannels.api.modes.ModesAPI.java

public ModesAPI(@NotNull final IRCChannels ircChannels) {
    Preconditions.checkNotNull(ircChannels, "ircChannels was null");
    this.modes = new Modes(ircChannels);
}

From source file:org.fundacionjala.sevenwonders.core.Wonder.java

public Wonder(List<Stage> stages) {
    Preconditions.checkNotNull(stages, "The stages is null");
    this.stages = stages;
}

From source file:uk.co.brightec.ratetheapp.Utils.java

/**
 * Formats the manufacturer and model strings into a human readable device name
 *
 * @param manufacturer String e.g. Build.MANUFACTURER
 * @param model        String e.g. Build.MODEL
 * @return String Human readable device name e.g. Samsung S6
 *///from   w  w w.ja  v a  2 s .  c o  m
@VisibleForTesting
static String formatDeviceName(@NonNull String manufacturer, @NonNull String model) {
    Preconditions.checkNotNull(manufacturer,
            "Cannot pass a null object for manufacturer in Utils.formatDeviceName()");
    Preconditions.checkNotNull(model, "Cannot pass a null object for model in Utils.formatDeviceName()");

    StringBuilder stringBuilder = new StringBuilder();

    if (model.startsWith(manufacturer)) {
        stringBuilder.append(capitalize(model));
    } else {
        stringBuilder.append(capitalize(manufacturer));
        if (!stringBuilder.toString().isEmpty() && !model.isEmpty()) {
            stringBuilder.append(" ");
        }
        stringBuilder.append(capitalize(model));
    }

    return stringBuilder.toString();
}

From source file:ninja.leaping.configurate.loader.AtomicFiles.java

private static Path getTemporaryPath(Path parent, String key) {
    String fileName = System.currentTimeMillis()
            + Preconditions.checkNotNull(key, "key").replaceAll("\\\\|/|:", "-") + ".tmp";
    return parent.resolve(fileName);
}

From source file:com.google.security.zynamics.zylib.date.DateHelpers.java

/**
 * Formats a date string regarding the given locale.
 * // w  w w .ja v a  2  s.  c om
 * @param date The date to format.
 * @param type Defines the display type of month
 * @param locale The given locale.
 * 
 * @return The data string.
 */
public static String formatDate(final Date date, final int type, final Locale locale) {
    Preconditions.checkNotNull(date, "Error: Date argument can't be null.");
    Preconditions.checkNotNull(locale, "Error: Locale argument can't be null.");

    final String s = String.format("%s %s", DateFormat.getDateInstance(type, locale).format(date),
            DateFormat.getTimeInstance(type, locale).format(date));

    return s;
}

From source file:de.cosmocode.commons.Locales.java

/**
 * Parses a string into a {@link Locale}.
 * //from   w  w w  . j a va  2 s  .  c  o m
 * @param value the locale string
 * @return a new {@link Locale} parsed from value
 * @throws NullPointerException if value is null
 * @throws IllegalArgumentException if value is no valid locale
 */
public static Locale parse(String value) {
    Preconditions.checkNotNull(value, "Value");
    final Matcher matcher = Patterns.LOCALE.matcher(value);
    Preconditions.checkArgument(matcher.matches(), "%s does not match %s", value, Patterns.LOCALE);
    final String language = Strings.defaultIfBlank(matcher.group(1), "");
    final String country = Strings.defaultIfBlank(matcher.group(2), "");
    final String variant = Strings.defaultIfBlank(matcher.group(3), "");
    return new Locale(language, country, variant);
}

From source file:com.facebook.presto.serde.PagesSerde.java

public static PagesWriter createPagesWriter(final SliceOutput sliceOutput) {
    checkNotNull(sliceOutput, "sliceOutput is null");
    return new PagesWriter() {
        private BlockEncoding[] blockEncodings;

        @Override//from ww  w.  jav  a  2s  . co m
        public PagesWriter append(Page page) {
            Preconditions.checkNotNull(page, "page is null");

            if (blockEncodings == null) {
                Block[] blocks = page.getBlocks();
                blockEncodings = new BlockEncoding[blocks.length];
                sliceOutput.writeInt(blocks.length);
                for (int i = 0; i < blocks.length; i++) {
                    Block block = blocks[i];
                    BlockEncoding blockEncoding = block.getEncoding();
                    blockEncodings[i] = blockEncoding;
                    BlockEncodings.writeBlockEncoding(sliceOutput, blockEncoding);
                }
            }

            sliceOutput.writeInt(page.getPositionCount());
            Block[] blocks = page.getBlocks();
            for (int i = 0; i < blocks.length; i++) {
                blockEncodings[i].writeBlock(sliceOutput, blocks[i]);
            }

            return this;
        }
    };
}

From source file:org.anarres.dhcp.server.pcap.DhcpServer.java

@Nonnull
private static InterfaceAddress toInterfaceAddress(@Nonnull PcapAddress address) {
    Preconditions.checkNotNull(address, "PcapAddress was null.");
    int netmask = AddressUtils.toNetmask(address.getNetmask());
    return new InterfaceAddress(address.getAddress(), netmask);
}

From source file:net.minecraftforge.server.permission.PermissionAPI.java

/**
 * <b>Only use this in PreInit state!</b>
 *///  w  ww  . ja v a  2 s .c  om
public static void setPermissionHandler(IPermissionHandler handler) {
    Preconditions.checkNotNull(handler, "Permission handler can't be null!");
    Preconditions.checkState(
            Loader.instance().getLoaderState().ordinal() <= LoaderState.PREINITIALIZATION.ordinal(),
            "Can't register after IPermissionHandler PreInit!");
    FMLLog.log(Level.WARN,
            "Replacing " + permissionHandler.getClass().getName() + " with " + handler.getClass().getName());
    permissionHandler = handler;
}