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:hr.fer.zemris.vhdllab.service.workspace.WorkspaceTest.java

@SuppressWarnings("unchecked")
@Test/*w w w .  j  a va  2  s  .  co  m*/
public void addFile4() {
    assertTrue(workspace.getFiles(firstProject).isEmpty());
    File file = new File();
    file.setProject(firstProject);
    Hierarchy hierarchy = new Hierarchy(firstProject, Collections.EMPTY_LIST);
    workspace.addFile(file, hierarchy);
    assertEquals(1, workspace.getFiles(firstProject).size());
    assertEquals(hierarchy, workspace.getHierarchy(firstProject));
}

From source file:gov.nih.nci.caarray.application.project.ProjectManagementServiceTest.java

@Test
public void testGetProjectsForOwner() {
    final User u = CaArrayUsernameHolder.getCsmUser();
    final List<Project> projects = this.projectManagementService.getProjectsForOwner(u);
    assertSame(Collections.EMPTY_LIST, projects);
}

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

@Test
public void testMultipleRecords() throws Exception {
    String xml = "<contacts>" + getXML("0") + getXML("1") + "</contacts>";
    Record expected1 = RecordCreator.create();
    expected1.set(Field.create(createExpectedRecord("", "0", "", ".", "#", "", false, false)));
    Record expected2 = RecordCreator.create();
    expected2.set(Field.create(createExpectedRecord("", "1", "", ".", "#", "", false, false)));
    List<Record> expected = ImmutableList.of(expected1, expected2);
    doTest(xml, "contact", expected, Collections.EMPTY_LIST, OnRecordError.DISCARD, true, true, false, false);
}

From source file:kevin.gvmsgarch.Worker.java

private void archiveAll(String authToken, String rnrse) throws IOException, ParserConfigurationException,
        SAXException, XPathExpressionException, JSONException {
    try {//from ww  w. j a va  2  s . c  o m
        Collection<String> msgIds = Collections.EMPTY_LIST;
        int page = 1;
        int processed = 0;
        HashSet<String> alreadyProcessed = new HashSet<String>();
        do {
            int numParsed = 0;
            do {
                String json = App.extractInboxJson(authToken, this.location, page);
                msgIds = getMessageIds(json);
                if (msgIds != null) {
                    numParsed += msgIds.size();
                    msgIds.removeAll(alreadyProcessed);
                    processed += msgIds.size();
                    if (msgIds.removeAll(getFilterIds(json, this.filter))) {
                        this.firePropertyChange("progress", null, processed);
                    }
                    if (msgIds.isEmpty()) {
                        page++;
                    }
                }
            } while (msgIds != null && msgIds.isEmpty() && !pm.isCanceled());

            if (!pm.isCanceled() && msgIds != null && msgIds.size() > 0) {
                archiveThese(authToken, rnrse, msgIds, mode);
                alreadyProcessed.addAll(msgIds);
                this.firePropertyChange("progress", null, processed);
            }
        } while (msgIds != null && msgIds.size() > 0 && !pm.isCanceled());
        this.firePropertyChange("finish", null, null);
    } catch (Exception ex) {
        this.firePropertyChange("error", null, ex);
    }
}

From source file:com.google.step2.AuthResponseHelper.java

/**
 * Returns a list of AX attribute values.
 *
 * @param alias the alias under which the attribute was requested.
 * @return list of attribute values.//from  www .java 2 s  .  c  om
 *
 */
public List<String> getAxFetchAttributeValues(String alias) {
    FetchResponse resp;
    try {
        resp = getAxFetchResponse();
    } catch (MessageException e) {
        return Collections.EMPTY_LIST;
    }

    // when the parameter is not there, then the library returns a list of
    // length 1 with null as its only member. Go figure.
    List<String> result = resp.getAttributeValues(alias);

    if ((result.size() == 1) && (null == result.get(0))) {
        return Collections.EMPTY_LIST;
    } else {
        return result;
    }
}

From source file:org.jfree.data.category.CategoryToPieDataset.java

/**
 * Returns the keys for the dataset.//from w  w w. j  av  a2 s  . c o m
 * <p>
 * If the underlying dataset is <code>null</code>, this method returns an
 * empty list.
 *
 * @return The keys.
 */
@Override
public List getKeys() {
    List result = Collections.EMPTY_LIST;
    if (this.source != null) {
        if (this.extract == TableOrder.BY_ROW) {
            result = this.source.getColumnKeys();
        } else if (this.extract == TableOrder.BY_COLUMN) {
            result = this.source.getRowKeys();
        }
    }
    return result;
}

From source file:com.adaptris.core.jms.MessageTypeTranslatorImp.java

@Override
public List<MetadataConverter> metadataConverters() {
    return getMetadataConverters() != null ? getMetadataConverters() : Collections.EMPTY_LIST;
}

From source file:net.pandoragames.far.ui.MimeConfParser.java

public MimeTreeNode(FileType type) {
    isMimeType = (type instanceof MimeType);
    name = type.getName();/*from   www.  j  a va2  s.  c o  m*/
    if (isMimeType) {
        nodeName = MimeConfParser.MIME_NODE_NAME;
    } else if (BUILDIN.FILE.name().equals(name)) {
        nodeName = MimeConfParser.ROOT_NODE_NAME;
    } else if (BUILDIN.SGML.name().equals(name) || BUILDIN.XML.name().equals(name)) {
        nodeName = name;
    } else {
        nodeName = name.substring(0, 1) + name.substring(1).toLowerCase();
    }
    encoding = type.isCharsetDefined() ? type.getCharacterset() : null;
    fileExtensions = isMimeType ? ((MimeType) type).listFileExtensions() : Collections.EMPTY_LIST;
}

From source file:jp.go.nict.langrid.serviceexecutor.google.GoogleTranslation.java

@SuppressWarnings("unchecked")
private String invokeTranslation(Language sourceLang, Language targetLang, String source)
        throws InvalidParameterException, ProcessFailedException {
    InputStream is = null;//ww  w. ja  v  a2 s.com
    try {
        URLConnection con = new URL(TRANSLATE_URL).openConnection();
        con.setDoOutput(true);
        con.setReadTimeout(timeoutMillis);
        con.addRequestProperty("Referer", referer);
        writeParameters(con, sourceLang, targetLang, source);

        is = con.getInputStream();
        String json = StreamUtil.readAsString(is, CharsetUtil.newUTF8Decoder());
        try {
            TranslationResult result = JSON.decode(json, TranslationResult.class);
            ResponseData responseData = result.responseData;
            int status = result.responseStatus;
            String key = sourceLang.getCode() + ":" + targetLang.getCode();
            if (status == 200) {
                langPairCache.putInCache(key, true);
                return StringEscapeUtils.unescapeHtml(responseData.translatedText.replaceAll("&#39;", "'"));
            } else {
                String details = result.responseDetails;
                if (details.equals("invalid translation language pair")) {
                    langPairCache.putInCache(key, false);
                    languagePairValidator.get().getUniqueLanguagePair(Collections.EMPTY_LIST);
                }
                throw new ProcessFailedException(result.responseStatus + ": " + details);
            }
        } catch (JSONException e) {
            String message = "failed to read translated text: " + json;
            logger.log(Level.WARNING, message, e);
            throw new ProcessFailedException(message);
        }
    } catch (IOException e) {
        logger.log(Level.SEVERE, "failed to execute service.", e);
        throw new ProcessFailedException(e);
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
            }
        }
    }
}

From source file:cz.zcu.kiv.eegdatabase.wui.ui.experiments.forms.wizard.AddExperimentEnvironmentForm.java

private void addWeather() {

    ChoiceRenderer<Weather> renderer = new ChoiceRenderer<Weather>("title", "weatherId");
    LoadableListModel<Weather> choiceModel = new LoadableListModel<Weather>() {

        private static final long serialVersionUID = 1L;

        @Override//from  ww  w  .  java  2 s .  c om
        protected List<Weather> load() {

            Experiment experiment2 = model.getObject();
            ResearchGroup researchGroup = experiment2.getResearchGroup();

            if (researchGroup != null)
                return weatherFacade.getRecordsByGroup(researchGroup.getResearchGroupId());
            else
                return Collections.EMPTY_LIST;
        }

    };
    DropDownChoice<Weather> weather = new DropDownChoice<Weather>("weather",
            new PropertyModel<Weather>(model.getObject(), "weather"), choiceModel, renderer);
    weather.setLabel(ResourceUtils.getModel("label.weather"));
    weather.setRequired(true);

    final FeedbackPanel feedback = createFeedbackForComponent(weather, "weatherFeedback");

    add(weather);
    add(feedback);
}

Example usage for java.util Collections EMPTY_LIST

Introduction

Prototype

Document

Usage