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:cz.cuni.mff.ms.brodecva.botnicek.ide.aiml.types.AttributeImplementation.java

/**
 * Vytvo atribut podporovan verze jazyka AIML.
 * //from   w w w. j a v  a 2 s .  c  o  m
 * @param name
 *            nzev
 * @param value
 *            hodnota
 * @return atribut
 */
public static AttributeImplementation create(final String name, final String value) {
    Preconditions.checkNotNull(name);
    Preconditions.checkNotNull(value);
    Preconditions.checkArgument(!name.isEmpty());

    return new AttributeImplementation(name, value, Optional.<URI>absent());
}

From source file:ivory.smrf.model.builder.MRFBuilder.java

public static MRFBuilder get(RetrievalEnvironment env, Node model) throws ConfigurationException {
    Preconditions.checkNotNull(env);
    Preconditions.checkNotNull(model);//from  w  w  w . j  ava 2  s .c  o m

    // Get model type.
    String modelType = XMLTools.getAttributeValueOrThrowException(model, "type",
            "Model type must be specified!");

    // Build the builder.
    MRFBuilder builder = null;

    try {
        if ("Feature".equals(modelType)) {
            builder = new FeatureBasedMRFBuilder(env, model);
        } else if ("GreedyConstrained".equals(modelType)) {
            builder = new GreedyConstrainedMRFBuilder(env, model);
        } else if (modelType.equals("New")) {
            builder = new CascadeFeatureBasedMRFBuilder(env, model);
        } else {
            throw new ConfigurationException("Unrecognized model type: " + modelType);
        }
    } catch (IOException e) {
        throw new RetrievalException("Error getting MRFBuilder: " + e);
    }

    return builder;
}

From source file:org.metaborg.intellij.resources.FileNameUtils.java

/**
 * Gets the outer file name of the specified file name.
 * <p>/*  www . ja  v a 2s  . co  m*/
 * For example, if the specified file name is <code>zip:file:///dir/archive.zip!/document.txt</code>,
 * then the outer file name is <code>file:///dir/archive.zip</code>.
 *
 * @param fileName The file name.
 * @return The outer file name; or <code>null</code> when there is none.
 */
@Nullable
public static FileName getOuterFileName(final FileName fileName) {
    Preconditions.checkNotNull(fileName);

    if (fileName instanceof LayeredFileName) {
        return ((LayeredFileName) fileName).getOuterName();
    } else {
        return null;
    }
}

From source file:se.toxbee.sleepfighter.utils.math.Conversion.java

/**
 * Converts a boolean array to an integer.
 *
 * @param b the boolean array.//from   ww  w. j  ava2 s.  c om
 * @return the resultant integer.
 */
public static int boolArrayToInt(boolean[] b) {
    Preconditions.checkNotNull(b);

    int n = 0;
    for (int i = b.length - 1; i >= 0; --i) {
        n = (n << 1) + (b[i] ? 1 : 0);
    }
    return n;
}

From source file:cz.cuni.mff.ms.brodecva.botnicek.ide.check.words.model.builder.DefaultNormalWordBuilderFactory.java

/**
 * Vytvo tovrnu./*from   ww w.  j av  a 2 s. c  om*/
 * 
 * @param checker
 *            validtor
 * @return tovrna
 */
public static DefaultNormalWordBuilderFactory create(final Checker checker) {
    Preconditions.checkNotNull(checker);

    return new DefaultNormalWordBuilderFactory(checker);
}

From source file:com.google.devtools.build.skyframe.SchedulerException.java

/**
 * Returns a SchedulerException wrapping an expected error, e.g. an error describing an expected
 * build failure when trying to evaluate the given value, that should cause Skyframe to produce
 * useful error information to the user.
 *///w  ww . j  a  v  a 2s.  c o m
static SchedulerException ofError(ErrorInfo errorInfo, SkyKey failedValue) {
    Preconditions.checkNotNull(errorInfo);
    return new SchedulerException(errorInfo.getException(), errorInfo, failedValue);
}

From source file:com.google.enterprise.connector.db.diffing.DigestContentHolder.java

public static DigestContentHolder getInstance(byte[] contentBytes, MimeTypeDetector mimeTypeDetector) {
    Preconditions.checkNotNull(contentBytes);
    DigestContentHolder contentHolder = new DigestContentHolder(InputStreamFactories.newInstance(contentBytes),
            mimeTypeDetector.getMimeType(null, contentBytes), contentBytes.length);
    contentHolder.updateDigest(contentBytes);
    return contentHolder;
}

From source file:org.mifos.sdk.client.domain.commands.WithdrawRejectClientTransferCommand.java

/**
 * Sets the note with the reason, cannot be null or empty.
 * @param description the note with the reason
 * @return a new instance of {@link Builder}
 *//*from   w  ww .  j  a va 2  s  .c  o  m*/
public static Builder note(final String description) {
    Preconditions.checkNotNull(description);
    Preconditions.checkArgument(!description.isEmpty());

    return new Builder(description);
}

From source file:com.google.api.tools.framework.tools.util.OutputUtil.java

/**
 * Writes string content to a file./*from  w  ww.j  a  v a  2 s . c o m*/
 */
public static void writeToFile(File outputFile, String content) throws IOException {
    Preconditions.checkNotNull(outputFile);
    Preconditions.checkNotNull(content);

    try (BufferedWriter outWriter = Files.newWriter(outputFile, StandardCharsets.UTF_8)) {
        outWriter.write(content);
    }
}

From source file:com.jivesoftware.os.tasmo.id.TenantId.java

@JsonCreator
public TenantId(String tenantId) {
    Preconditions.checkNotNull(tenantId);
    tenantId = tenantId.trim();//from  ww w.  jav  a 2  s  .  c o m
    Preconditions.checkArgument(tenantId.length() > 0);
    this.tenantId = tenantId;
}