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.enonic.cms.core.locale.LocaleXmlCreator.java

public Document createLocalesDocument(final Locale[] locales) {
    Preconditions.checkNotNull(locales, "locales cannot be null");

    Element localesEl = new Element("locales");
    for (Locale locale : locales) {
        localesEl.addContent(doCreateLocaleElement(locale, null));
    }/*from   w w  w  .  jav  a 2  s  . c o m*/
    return new Document(localesEl);
}

From source file:org.onsteroids.eve.api.WeldApi.java

public synchronized static void shutdownApi() {
    Preconditions.checkNotNull(weld, "Weld not running");
    weld.shutdown();//from  ww w.  jav a2s.  c o m
    weld = null;
    weldContainer = null;
}

From source file:com.salesforce.jprotoc.ProtocPlugin.java

/**
 * Apply multiple generators to the parsed proto descriptor, aggregating their results.
 * @param generators The list of generators to run.
 *//*from  ww  w .  ja  va  2 s  .  c  o m*/
public static void generate(@Nonnull List<Generator> generators) {
    Preconditions.checkNotNull(generators, "generators");
    Preconditions.checkArgument(!generators.isEmpty(), "generators.isEmpty()");

    try {
        // Parse the input stream to extract the generator request
        byte[] generatorRequestBytes = ByteStreams.toByteArray(System.in);
        PluginProtos.CodeGeneratorRequest request = PluginProtos.CodeGeneratorRequest
                .parseFrom(generatorRequestBytes);

        // Run each file generator, collecting the output
        List<PluginProtos.CodeGeneratorResponse.File> outputFiles = generators.stream()
                .flatMap(gen -> gen.generate(request)).collect(Collectors.toList());

        // Send the files back to protoc
        PluginProtos.CodeGeneratorResponse response = PluginProtos.CodeGeneratorResponse.newBuilder()
                .addAllFile(outputFiles).build();
        response.writeTo(System.out);

    } catch (GeneratorException ex) {
        try {
            PluginProtos.CodeGeneratorResponse.newBuilder().setError(ex.getMessage()).build()
                    .writeTo(System.out);
        } catch (IOException ex2) {
            abort(ex2);
        }
    } catch (Throwable ex) { // Catch all the things!
        abort(ex);
    }
}

From source file:com.google.security.zynamics.binnavi.yfileswrap.zygraph.Implementations.CLayoutFunctions.java

/**
 * Updates the background depending on the graph settings.
 *
 * @param graph The graph whose backround is updated.
 *//* w w  w.j a  v  a  2s. co  m*/
public static void updateBackground(final ZyGraph graph) {
    Preconditions.checkNotNull(graph, "IE02126: Graph argument can not be null");

    // TODO: Buffer and share the background gradient between views

    final DefaultBackgroundRenderer dBGRender = new DefaultBackgroundRenderer(graph.getView());

    if (graph.getSettings().getDisplaySettings().getGradientBackground()) {
        dBGRender.setImage(new ImageIcon(CMain.class.getResource("data/gradientbackground2.jpg")).getImage());
        dBGRender.setMode(DefaultBackgroundRenderer.FULLSCREEN);
    } else {
        dBGRender.setColor(new Color(250, 250, 250));
    }

    graph.getView().setBackgroundRenderer(dBGRender);

    graph.updateViews();
}

From source file:com.google.security.zynamics.binnavi.Gui.CTableSearcherHelper.java

/**
 * Searches through a table./*w w w.j  a  v a 2  s .c  o m*/
 * 
 * @param parent Parent window used for dialogs.
 * @param table The table to search through.
 */
public static void search(final Window parent, final JTable table) {
    Preconditions.checkNotNull(parent, "IE01198: Parent argument can not be null");
    Preconditions.checkNotNull(table, "IE01199: Table argument can not be null");

    final CTableSearcher searcher = new CTableSearcher(parent, "", table, 0);

    String searchText = "";

    do {
        searchText = (String) JOptionPane.showInputDialog(parent, "Search", Constants.DEFAULT_WINDOW_TITLE,
                JOptionPane.QUESTION_MESSAGE, null, null, searchText);

        if ((searchText != null) && (searchText.length() > 0) && !searcher.search(searchText)) {
            JOptionPane.showMessageDialog(parent, "Search string not found", Constants.DEFAULT_WINDOW_TITLE,
                    JOptionPane.ERROR_MESSAGE);
        }
    } while ((searchText != null) && (searchText.length() > 0));
}

From source file:com.zaradai.kunzite.optimizer.data.dataset.driver.dummy.DummyDataSetDriver.java

public static DummyDataSetDriver createWithContext(DataSetContext context) {
    Preconditions.checkNotNull(context, "Invalid context");

    return new DummyDataSetDriver(context);
}

From source file:com.google.api.services.samples.tasks.android.ClientCredentials.java

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

From source file:org.apache.usergrid.persistence.core.util.ValidationUtils.java

/**
 * Verify the entity has an id and a version
 *//*w w  w  .  ja v a 2  s  .  c om*/
public static void verifyEntityWrite(Entity entity) {

    Preconditions.checkNotNull(entity, "Entity is required in the new stage of the mvcc write");

    verifyIdentity(entity.getId());

}

From source file:com.google.collide.client.code.debugging.StaticSourceMapping.java

static StaticSourceMapping create(String baseUri) {
    Preconditions.checkNotNull(baseUri, "Base URI is NULL!");
    return new StaticSourceMapping(baseUri);
}

From source file:com.proofpoint.galaxy.shared.SlotLifecycleState.java

public static SlotLifecycleState lookup(String name) {
    Preconditions.checkNotNull(name, "name is null");
    return byName.get(name.toLowerCase());
}