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:com.zaradai.kunzite.optimizer.data.DataResult.java

public static DataResult newResult(UUID requestId, Row row) {
    Preconditions.checkNotNull(requestId, "Invalid request id");
    Preconditions.checkNotNull(row, "Invalid Row");

    return new DataResult(requestId, row);
}

From source file:net.awired.clients.sonar.QualityMeasures.java

public static SonarQualityMeasure asQualityMeasure(Measure measure, String measureKey) {
    Preconditions.checkNotNull(measure, "measure is mandatory");
    Preconditions.checkArgument(!measureKey.isEmpty(), "measureKey is mandatory");
    Preconditions.checkNotNull(measure.getValue(), "measure must have a value");
    Double value = measure.getValue();
    SonarQualityMeasure qualityMeasure = new SonarQualityMeasure();
    qualityMeasure.setKey(measureKey);/*from w  w  w. j  av  a  2  s. com*/
    qualityMeasure.setValue(value);
    qualityMeasure.setFormattedValue(measure.getFormattedValue());
    return qualityMeasure;
}

From source file:net.minecraftforge.server.permission.context.ContextKey.java

public static <E> ContextKey<E> create(String id, Class<E> c) {
    Preconditions.checkNotNull(id, "ContextKey's ID can't be null!");
    Preconditions.checkNotNull(c, "ContextKey's Type can't be null!");

    if (id.isEmpty()) {
        throw new IllegalArgumentException("ContextKey's ID can't be blank!");
    }/*  w  w  w . ja v a  2  s  .c o  m*/

    return new ContextKey<E>(id, c);
}

From source file:com.google.security.zynamics.zylib.general.StackTrace.java

/**
 * Converts a stack trace to a string./*from w ww  .ja  v a 2  s .c  o m*/
 * 
 * @param stackTrace The stack trace in question.
 * 
 * @return The converted stack trace.
 */
public static String toString(final StackTraceElement[] stackTrace) {
    Preconditions.checkNotNull(stackTrace, "Invalid stack trace");

    final StringBuilder sb = new StringBuilder();

    for (final StackTraceElement stackTraceElement : stackTrace) {
        sb.append(stackTraceElement.toString());
        sb.append(System.getProperty("line.separator"));
    }

    return sb.toString();
}

From source file:io.soabase.core.features.client.ClientUtils.java

public static String hostToServiceName(String host) {
    host = Preconditions.checkNotNull(host, "Request URI's host cannot be null");
    if (host.startsWith(HOST_SUBSTITUTION_TOKEN) && (host.length() > HOST_SUBSTITUTION_TOKEN.length())) {
        return host.substring(HOST_SUBSTITUTION_TOKEN.length());
    }//from w  w w .  j  a va  2  s  . com
    return null;
}

From source file:org.eclipse.lsp4j.util.Positions.java

/**
 * {@code true} if {@code left} is strictly before than {@code right}. Otherwise,
 * {@code false}.//from www.ja va2s  .  c o m
 * <p>
 * If you want to allow equality, use {@link Position#equals}.
 */
public static boolean isBefore(Position left, Position right) {
    Preconditions.checkNotNull(left, "left");
    Preconditions.checkNotNull(right, "right");
    if (left.getLine() < right.getLine()) {
        return true;
    }
    if (left.getLine() > right.getLine()) {
        return false;
    }
    return left.getCharacter() < right.getCharacter();
}

From source file:io.kazuki.v0.internal.helper.StringHelper.java

public static String toCamelCase(String value) {
    Preconditions.checkNotNull(value, "value");

    String canonical = value.replace('.', '-').toLowerCase();

    return CaseFormat.LOWER_HYPHEN.to(CaseFormat.LOWER_CAMEL, canonical);
}

From source file:io.github.bktlib.lazy.LazyInitVar.java

public static <T> LazyInitVar<T> of(@Nonnull Supplier<T> supp) {
    Preconditions.checkNotNull(supp, "supp");

    return new LazyInitVar<T>() {
        @Override/*from   ww  w  . j  a va 2  s.  c  om*/
        protected T init() {
            return supp.get();
        }
    };
}

From source file:uk.ac.cam.cl.dtg.picky.util.BuildProperties.java

public static Properties readBuildProperties() {

    try (InputStream inputStream = BuildProperties.class.getClassLoader()
            .getResourceAsStream("build.properties")) {
        Preconditions.checkNotNull(inputStream, "build.properties not found");

        Properties properties = new Properties();
        properties.load(inputStream);//w w w .  j ava  2s .  co m

        return properties;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:org.opendaylight.sloth.akka.SlothActorSystem.java

public static synchronized ActorSystem createActorSystem(final BundleContext bundleContext) {
    if (actorSystem == null) {
        Preconditions.checkNotNull(bundleContext, "can not create actor system with empty bundle context");
        BundleDelegatingClassLoader classLoader = new BundleDelegatingClassLoader(bundleContext.getBundle(),
                Thread.currentThread().getContextClassLoader());
        actorSystem = ActorSystem.create("SlothActorSystem", null, classLoader);
        LOG.info("successfully create actor system with osgi classloader");
    }//from   w w  w .j a v a  2s.  c  o m
    return actorSystem;
}