Example usage for java.util Collections EMPTY

Introduction

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

Prototype

List EMPTY_LIST

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Document

The empty list (immutable).

Usage

From source file:architecture.ee.web.community.struts2.action.ajax.MyAttachmentAction.java

public List<Attachment> getTargetAttachments() {
    if (getUser().getUserId() < 1)
        return Collections.EMPTY_LIST;

    return attachmentManager.getAttachments(DEFAULT_OBJEDT_TYPE, getUser().getUserId());
}

From source file:com.silverwrist.venice.conf.impl.ConferenceManager.java

public List getConferences(DynamoUser user, VeniceCommunity comm) throws DatabaseException {
    boolean show_hidden = false;
    try { // do we want to show hidden conferences?
        show_hidden = comm.getAcl().testPermission(user, ConfNamespaces.PERMISSIONS_NAMESPACE, "see.hidden");

    } // end try//from   ww  w.  j  a  v  a 2  s  .com
    catch (AclNotFoundException e) { // convert the AclNotFoundException
        DatabaseException de = new DatabaseException(ConferenceManager.class, "ConferenceMessages",
                "no.community.acl", e);
        de.setParameter(0, comm.getName());
        throw de;

    } // end catch

    List in_list = m_ops.getConferences(comm.getCID());
    if (in_list.isEmpty())
        return Collections.EMPTY_LIST;

    ArrayList rc = new ArrayList();
    Iterator it = in_list.iterator();
    while (it.hasNext()) { // get each data element and convert it
        Map d = (Map) (it.next());
        if (show_hidden || !(((Boolean) (d.get(ConferenceManagerOps.KEY_HIDE))).booleanValue())) { // skip hidden conferences if we don't have the "show hidden" permission
            ConferenceImpl conf = loadConference(d);
            rc.add(new LinkedConferenceImpl(m_ops.getLinkedConferenceOps(), conf, comm, m_srm, d));

        } // end if

    } // end while

    if (rc.isEmpty())
        return Collections.EMPTY_LIST;
    rc.trimToSize();
    return Collections.unmodifiableList(rc);

}

From source file:hudson.util.spring.DefaultBeanConfiguration.java

public DefaultBeanConfiguration(String name) {
    this(name, null, Collections.EMPTY_LIST);
}

From source file:com.gargoylesoftware.htmlunit.html.HtmlAnchorTest.java

/**
 * @throws Exception if the test fails//  ww w . j ava  2 s. c om
 */
@Test
public void click_onClickHandler_javascriptDisabled() throws Exception {
    final String htmlContent = "<html><head><title>foo</title></head><body>\n"
            + "<a href='http://www.foo1.com' id='a1'>link to foo1</a>\n"
            + "<a href='http://www.foo2.com' id='a2' " + "onClick='alert(\"clicked\")'>link to foo2</a>\n"
            + "<a href='http://www.foo3.com' id='a3'>link to foo3</a>\n" + "</body></html>";
    final WebClient client = getWebClient();
    client.getOptions().setJavaScriptEnabled(false);

    final List<String> collectedAlerts = new ArrayList<>();
    client.setAlertHandler(new CollectingAlertHandler(collectedAlerts));

    final MockWebConnection webConnection = new MockWebConnection();
    webConnection.setDefaultResponse(htmlContent);
    client.setWebConnection(webConnection);

    final HtmlPage page = client.getPage(getDefaultUrl());
    final HtmlAnchor anchor = page.getHtmlElementById("a2");

    assertEquals(Collections.EMPTY_LIST, collectedAlerts);

    final HtmlPage secondPage = anchor.click();

    assertEquals(Collections.EMPTY_LIST, collectedAlerts);
    final List<?> expectedParameters = Collections.EMPTY_LIST;

    assertEquals("url", "http://www.foo2.com/", secondPage.getUrl());
    assertSame("method", HttpMethod.GET, webConnection.getLastMethod());
    assertEquals("parameters", expectedParameters, webConnection.getLastParameters());
    assertNotNull(secondPage);
}

From source file:pe.gob.mef.gescon.web.ui.PoliticaMB.java

public void save(ActionEvent event) {
    try {//from   ww  w  .  j ava  2s . c  om
        if (CollectionUtils.isEmpty(this.getListaPolitica())) {
            this.setListaPolitica(Collections.EMPTY_LIST);
        }
        Politica politica = new Politica();
        politica.setNmoduloid(this.getModuloid());
        politica.setVnombre(this.getNombre());
        politica.setVdescripcion(this.getDescripcion());
        if (!errorValidation(politica)) {
            politica.setVnombre(StringUtils.upperCase(this.getNombre().trim()));
            politica.setVdescripcion(StringUtils.capitalize(this.getDescripcion().trim()));
            LoginMB loginMB = (LoginMB) JSFUtils.getSessionAttribute("loginMB");
            User user = loginMB.getUser();
            PoliticaService service = (PoliticaService) ServiceFinder.findBean("PoliticaService");
            politica.setNpoliticaid(service.getNextPK());
            politica.setNactivo(BigDecimal.ONE);
            politica.setDfechacreacion(new Date());
            politica.setVusuariocreacion(user.getVlogin());
            service.saveOrUpdate(politica);
            this.setListaPolitica(service.getPoliticas());
            this.cleanAttributes();
            RequestContext.getCurrentInstance().execute("PF('newDialog').hide();");
        }
    } catch (Exception e) {
        log.error(e.getMessage());
        e.printStackTrace();
    }
}

From source file:com.ge.predix.acs.privilege.management.PrivilegeManagementServiceImplTest.java

@SuppressWarnings("unchecked")
@Test(expectedExceptions = PrivilegeManagementException.class)
public void testAppendEmptyResources() {
    this.service.appendResources(Collections.EMPTY_LIST);
}

From source file:com.ace.erp.service.sys.impl.ResourceServiceImpl.java

/**
 * ??Menu?/*from w  ww  . j a  va  2s.  c  o  m*/
 *
 * @param resources
 * @return
 */
public List<Menu> convertToMenus(List<Resource> resources) {

    if (resources.size() == 0) {
        return Collections.EMPTY_LIST;
    }

    //?,?
    Menu root = convertToMenu(resources.remove(resources.size() - 1));

    recursiveMenu(root, resources);
    List<Menu> menus = root.getChildren();
    removeNoLeafMenu(menus);

    return menus;
}

From source file:com.googlecode.jtiger.modules.ecside.core.RetrievalUtils.java

static Collection retrieveCollectionAsObject(WebContext context, String collection, String scope)
        throws Exception {
    Object obj = RetrievalUtils.retrieve(context, collection, scope);
    if (obj instanceof Collection) {
        return (Collection) obj;
    } else if (obj instanceof Map) {
        return ((Map) obj).values();
    } else {/*from w ww .j a va2 s  . c o m*/
        if (logger.isDebugEnabled()) {
            logger.debug("The object is not of type Collection.");
        }

        return Collections.EMPTY_LIST;
    }
}

From source file:com.sun.faces.context.FacesContextImpl.java

public Iterator getMessages() {
    assertNotReleased();/*w w w  . j av a  2 s .c  o  m*/
    if (null == componentMessageLists) {
        return (Collections.EMPTY_LIST.iterator());
    }

    // Get an Iterator over the ArrayList instances
    List messages = getMergedMessageLists();
    if (messages.size() > 0) {
        return messages.iterator();
    } else {
        return Collections.EMPTY_LIST.iterator();
    }
}

From source file:com.streamsets.pipeline.stage.processor.xmlflattener.TestXMLFlatteningProcessor.java

@Test
public void testSingleRecordNoAttrsNS() throws Exception {
    String xml = getXML("");
    Record expected = RecordCreator.create();
    expected.set(Field.create(createExpectedRecord("", "", "", ".", "#", "", false, true)));
    doTest(xml, "contact", ImmutableList.of(expected), Collections.EMPTY_LIST, OnRecordError.DISCARD, true,
            false, false, false);/*from  w ww .ja  v  a 2  s.  c  o m*/
}

Example usage for java.util Collections EMPTY_LIST

Introduction

Prototype

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Usage