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:co.cask.cdap.internal.app.workflow.WorkflowNodeCreator.java

static WorkflowNode createWorkflowActionNode(String programName, SchedulableProgramType programType) {
    switch (programType) {
    case MAPREDUCE:
        Preconditions.checkNotNull(programName, "MapReduce name is null.");
        Preconditions.checkArgument(!programName.isEmpty(), "MapReduce name is empty.");
        break;/*from  w  w w .ja  v a 2s  . co m*/
    case SPARK:
        Preconditions.checkNotNull(programName, "Spark name is null.");
        Preconditions.checkArgument(!programName.isEmpty(), "Spark name is empty.");
        break;
    case CUSTOM_ACTION:
        //no-op
        break;
    default:
        break;
    }

    return new WorkflowActionNode(programName, new ScheduleProgramInfo(programType, programName));
}

From source file:com.google.security.zynamics.binnavi.disassembly.algorithms.CFunctionNodeColorizer.java

/**
 * Returns the proper color for function nodes of a given type.
 * /*  w  w w. j  ava2  s  .c o  m*/
 * @param type The type of the function.
 * 
 * @return The color for function nodes of the given type.
 */
public static Color getFunctionColor(final FunctionType type) {
    Preconditions.checkNotNull(type, "IE02200: Type argument cannot be null");

    switch (type) {
    case ADJUSTOR_THUNK:
        return ConfigManager.instance().getColorSettings().getAdjustorThunkFunctionColor();
    case IMPORT:
        return ConfigManager.instance().getColorSettings().getImportedFunctionColor();
    case LIBRARY:
        return ConfigManager.instance().getColorSettings().getLibraryFunctionColor();
    case NORMAL:
        return ConfigManager.instance().getColorSettings().getNormalFunctionColor();
    case THUNK:
        return ConfigManager.instance().getColorSettings().getThunkFunctionColor();
    case UNKNOWN:
        return ConfigManager.instance().getColorSettings().getUnknownFunctionColor();
    default:
        throw new IllegalStateException(String.format("IE00908: Unknown function type %s", type));
    }
}

From source file:com.github.jeluard.guayaba.util.concurrent.ThreadFactoryBuilders.java

/**
 * @param pattern//  ww w. java 2 s  .  c  o m
 * @param logger
 * @return {@link ThreadFactoryBuilder} producing daemon thread and relying on {@link UncaughtExceptionHandlers#defaultHandler(java.util.logging.Logger)}
 */
public static ThreadFactoryBuilder safeBuilder(final String pattern, final Logger logger) {
    Preconditions.checkNotNull(pattern, "null pattern");
    Preconditions.checkNotNull(logger, "null logger");

    return new ThreadFactoryBuilder().setDaemon(true)
            .setUncaughtExceptionHandler(UncaughtExceptionHandlers.defaultHandler(logger))
            .setNameFormat(pattern);
}

From source file:org.jclouds.orion.domain.BlobType.java

public static BlobType fromValue(String type) {
    try {/*from   w ww .j  ava  2  s. co  m*/
        return BlobType.valueOf(CaseFormat.UPPER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE,
                Preconditions.checkNotNull(type, "type")));
    } catch (IllegalArgumentException e) {
        return UNRECOGNIZED;
    }
}

From source file:com.appmogli.gdriveexplorer.ClientCredentials.java

public static void errorIfNotSpecified() {
    Preconditions.checkNotNull(KEY,
            "Please enter your API key from https://code.google.com/apis/console/?api=drive in "
                    + ClientCredentials.class);
}

From source file:fr.norad.visuwall.plugin.jenkins.States.java

public static final BuildState asVisuwallState(String jenkinsState) {
    Preconditions.checkNotNull(jenkinsState, "jenkinsState is mandatory");
    jenkinsState = jenkinsState.toLowerCase();
    BuildState state = STATE_MAPPING.get(jenkinsState);
    if (state == null) {
        state = BuildState.UNKNOWN;
        LOG.warn(jenkinsState + " is not available in Jenkins plugin. Please report it to Visuwall dev team.");
    }//from  w ww  .j  av  a  2 s.  c o  m
    return state;
}

From source file:io.pravega.common.function.Callbacks.java

/**
 * Invokes the given Consumer with the given argument, and catches any exceptions that it may throw.
 *
 * @param consumer       The consumer to invoke.
 * @param argument       The argument to pass to the consumer.
 * @param failureHandler An optional callback to invoke if the consumer threw any exceptions.
 * @param <T>            The type of the argument.
 * @throws NullPointerException If the consumer is null.
 *///  ww w. java  2  s .c o  m
public static <T> void invokeSafely(Consumer<T> consumer, T argument, Consumer<Throwable> failureHandler) {
    Preconditions.checkNotNull(consumer, "consumer");

    try {
        consumer.accept(argument);
    } catch (Exception ex) {
        if (failureHandler != null) {
            invokeSafely(failureHandler, ex, null);
        }
    }
}

From source file:org.apache.drill.exec.coord.zk.PathUtils.java

/**
 * Returns a normalized, combined path out of the given path segments.
 *
 * @param parts  path segments to combine
 * @see #normalize(String)// w w w.jav a 2  s . c o  m
 */
public static final String join(final String... parts) {
    final StringBuilder sb = new StringBuilder();
    for (final String part : parts) {
        Preconditions.checkNotNull(part, "parts cannot contain null");
        if (!Strings.isNullOrEmpty(part)) {
            sb.append(part).append("/");
        }
    }
    if (sb.length() > 0) {
        sb.deleteCharAt(sb.length() - 1);
    }
    final String path = sb.toString();
    return normalize(path);
}

From source file:com.google.security.zynamics.binnavi.ZyGraph.Builders.ZyGroupNodeBuilder.java

/**
 * Builds the content of a single group node.
 *
 * @param node The group node that provides the underlying data.
 *
 * @return The created content./*from ww  w.ja  va  2  s  .  co m*/
 */
public static ZyLabelContent buildContent(final INaviGroupNode node) {
    Preconditions.checkNotNull(node, "IE01558: Node argument can not be null");
    final ZyLabelContent content = new ZyLabelContent(null);
    buildContent(content, node);
    return content;
}

From source file:com.epam.ta.reportportal.commons.EntityUtils.java

/**
 * Normalize any ID for database ID fields, for example
 *
 * @param id ID to normalize// w  w  w .  j  a  v  a 2 s  .  c o  m
 * @return String
 */
public static String normalizeId(String id) {
    return Preconditions.checkNotNull(id, "Provided value shouldn't be null").toLowerCase();
}