Example usage for java.util Collections EMPTY

Introduction

In this page you can find the example usage for java.util Collections EMPTY_SET.

Prototype

Set EMPTY_SET

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Document

The empty set (immutable).

Usage

From source file:org.apache.tajo.storage.jdbc.JdbcMetadataProviderBase.java

@Override
public Collection<String> getSchemas() {
    return Collections.EMPTY_SET;
}

From source file:io.cfp.entity.User.java

@Transient
public Set<String> getRoles() {
    return roles != null ? roles : Collections.EMPTY_SET;
}

From source file:org.openmrs.web.controller.user.RoleFormController.java

/**
 * @see org.springframework.web.servlet.mvc.AbstractFormController#processFormSubmission(javax.servlet.http.HttpServletRequest,
 *      javax.servlet.http.HttpServletResponse, java.lang.Object,
 *      org.springframework.validation.BindException)
 *//*from   ww  w  . ja va2s  . com*/
@SuppressWarnings("unchecked")
protected ModelAndView processFormSubmission(HttpServletRequest request, HttpServletResponse response,
        Object obj, BindException errors) throws Exception {

    Role role = (Role) obj;

    String[] inheritiedRoles = request.getParameterValues("inheritedRoles");
    if (inheritiedRoles == null) {
        role.setInheritedRoles(Collections.EMPTY_SET);
    }

    String[] privileges = request.getParameterValues("privileges");
    if (privileges == null) {
        role.setPrivileges((Set) (Collections.emptySet()));
    }

    return super.processFormSubmission(request, response, role, errors);
}

From source file:org.sonar.batch.InMemoryPomCreator.java

public MavenProject create() {
    File workDir = project.getWorkDir();
    String buildDirectory = workDir.getAbsolutePath() + "/target";
    Properties properties = project.getProperties();

    if (project.getBinaries().size() == 0) {
        project.addBinaryDir(buildDirectory + "/classes");
    }/*from  w w  w .  j a  v  a 2  s.  c om*/

    final MavenProject pom = new MavenProject() {
        /**
         * This allows to specify base directory without specifying location of a pom.xml
         */
        @Override
        public File getBasedir() {
            return project.getBaseDir();
        };

        /**
         * This allows to specify project classpath (binaries + libraries).
         */
        @Override
        public List<String> getCompileClasspathElements() throws DependencyResolutionRequiredException {
            List<String> cp = new ArrayList<String>();
            cp.addAll(project.getBinaries());
            cp.addAll(project.getLibraries());
            return cp;
        }
    };

    String key = getPropertyOrDie(properties, CoreProperties.PROJECT_KEY_PROPERTY);
    String[] keys = key.split(":");
    pom.setGroupId(keys[0]);
    pom.setArtifactId(keys[1]);
    pom.setVersion(getPropertyOrDie(properties, CoreProperties.PROJECT_VERSION_PROPERTY));

    pom.setName(properties.getProperty(CoreProperties.PROJECT_NAME_PROPERTY, "Unnamed - " + key));
    pom.setDescription(properties.getProperty(CoreProperties.PROJECT_DESCRIPTION_PROPERTY, ""));

    pom.getModel().setProperties(properties);

    pom.setArtifacts(Collections.EMPTY_SET);

    // Configure fake directories
    pom.getBuild().setDirectory(buildDirectory);
    pom.getBuild().setOutputDirectory(project.getBinaries().get(0));
    Reporting reporting = new Reporting();
    String reportingOutputDirectory = buildDirectory + "/site";
    reporting.setOutputDirectory(reportingOutputDirectory);
    pom.setReporting(reporting);

    // Configure source directories
    for (String dir : project.getSourceDirs()) {
        pom.addCompileSourceRoot(dir);
    }

    // Configure test directories
    for (String dir : project.getTestDirs()) {
        pom.addTestCompileSourceRoot(dir);
    }

    return pom;
}

From source file:org.apache.drill.exec.store.kudu.KuduStoragePlugin.java

@Override
public Set<StoragePluginOptimizerRule> getOptimizerRules(OptimizerRulesContext optimizerRulesContext) {
    return Collections.EMPTY_SET;
}

From source file:com.adobe.ags.curly.test.ErrorBehaviorTest.java

@Test
public void testHappyPath() throws IOException, ParseException {
    List<Action> actions = Arrays.asList(successAction(), successAction(), successAction(), successAction(),
            successAction());/*from  ww w  . j a  va 2 s .  co m*/
    ActionGroupRunner runner = new ActionGroupRunner("Happy Test", ignore -> client, actions,
            Collections.EMPTY_MAP, Collections.EMPTY_SET);
    runner.run();
    assertResults(runner.getResult(), true, true);
}

From source file:org.apache.james.protocols.pop3.core.StlsCmdHandler.java

/**
 * @see org.apache.james.pop3server.core.CapaCapability#getImplementedCapabilities(org.apache.james.pop3server.POP3Session)
 *///  w w  w.ja  va2  s  .c  o m
@SuppressWarnings("unchecked")
public Set<String> getImplementedCapabilities(POP3Session session) {
    if (session.isStartTLSSupported() && session.getHandlerState() == POP3Session.AUTHENTICATION_READY) {
        return CAPS;
    } else {
        return Collections.EMPTY_SET;
    }
}

From source file:net.landora.video.utils.UIUtils.java

public static Collection<Object> createCompleteContext(Collection<?> context) {
    if (context == null || context.isEmpty()) {
        return Collections.EMPTY_SET;
    }// ww w  . ja v  a2 s  .co  m

    Collection<Object> result = new LinkedHashSet<Object>();
    for (Object obj : context) {
        addContentObject(obj, result);
    }
    return result;
}

From source file:org.wings.resource.ReloadResource.java

/**
 * The HTTP header parameteres attached to this dynamic code ressource.
 * This <b>static</b> list will by default contain entries to disable caching
 * on the server side. Call <code>getHeaders().clear()</code> to avoid this
 * i.e. if you want to enable back buttons.
 *
 * @return A <code>Collection</code> of {@link org.wings.Resource.HeaderEntry} objects.
 *//*from   ww w.  j  a va  2s .  c om*/
public Collection<HttpHeader> getHeaders() {
    if (getFrame().isNoCaching())
        return DEFAULT_CODE_HEADER;
    else
        return Collections.EMPTY_SET;
}

From source file:org.apache.tapestry.bean.BeanProvider.java

/** @since 1.0.6 **/

public Collection getBeanNames() {
    if (_beanNames == null) {
        Collection c = _component.getSpecification().getBeanNames();

        if (c == null || c.isEmpty())
            _beanNames = Collections.EMPTY_SET;
        else/*from   w ww. j  a  v a  2 s  .c  o  m*/
            _beanNames = Collections.unmodifiableSet(new HashSet(c));
    }

    return _beanNames;
}

Example usage for java.util Collections EMPTY_SET

Introduction

Prototype

Document

Usage