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

To view the source code for java.util Collections EMPTY_LIST.

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Document

The empty list (immutable).

Usage

From source file:org.shept.persistence.provider.hibernate.HibernateExampleListProviderImpl.java

@Override
public List<?> loadListFirst() {
    loaded = 0;//from   ww w  . jav a 2 s  .c  o m
    eol = false;
    List<?> l = Collections.EMPTY_LIST;

    // The criteria MUST be reloaded on loadListFirst else we would miss 
    // changes of the underlying filter
    example = getFilterDefinition();
    sortDef = getSortDefinition();
    if (loadSize > 0) {
        l = getHibernateTemplate().findByExample(example, sortDef, loaded, loadSize);
    } else {
        l = getHibernateTemplate().findByExample(example, sortDef);
        eol = true;
    }
    incrementLoadSizeAfterFetch(l.size());
    return l;
}

From source file:org.apache.camel.component.http4.NoopCookieStore.java

@Override
@SuppressWarnings("unchecked")
public List<Cookie> getCookies() {
    return Collections.EMPTY_LIST;
}

From source file:com.redhat.persistence.oql.MultiMap.java

List get(Object key) {
    return get(key, Collections.EMPTY_LIST);
}

From source file:ar.com.zauber.commons.web.proxy.impl.ChainedURLRequestMapperTest.java

/** test */
public final void testEmpty() {
    final URLRequestMapper c = new ChainedURLRequestMapper(Collections.EMPTY_LIST);
    c.getProxiedURLFromRequest(new MockHttpServletRequest());
}

From source file:grails.plugin.searchable.internal.compass.search.DefaultSearchableSubsetHitCollector.java

/**
 * Collect and return the subset of hits with the range offset..offset + max
 *
 * @param hits/*from  www  .  j  av  a  2s. c o  m*/
 * @param options
 * @return
 */
@Override
public Object collect(CompassHits hits, boolean reload, Map options) {
    if (hits.length() == 0) {
        return Collections.EMPTY_LIST;
    }

    int offset = MapUtils.getIntValue(options, "offset");
    int max = MapUtils.getIntValue(options, "max");
    List collectedHits = new ArrayList(max);
    int low = offset;
    int high = Math.min(low + max, hits.length());
    while (low < high) {
        collectedHits.add(getObject(hits.data(low++), reload));
    }

    return collectedHits;
}

From source file:it.unibas.spicy.utility.GenericListGenerator.java

@SuppressWarnings("unchecked")
public List<List<T>> generateListsOfElements(List<List<T>> listOfLists) {
    if (listOfLists.isEmpty()) {
        return Collections.EMPTY_LIST;
    }/*www. j  a v a 2  s.co  m*/
    return generate(listOfLists);
}

From source file:biomine.bmvis2.pipeline.ClearOperation.java

public void doOperation(VisualGraph g) throws GraphOperationException {
    DefaultNodeColoring col = new DefaultNodeColoring();
    Logging.debug("graph_operation", "ClearOperation.doOperation()");
    for (VisualNode n : g.getAllNodes()) {
        n.setExtraLabels(Collections.EMPTY_LIST);
        n.setBaseColor(col.getFillColor(n));
    }/* www. ja va  2s.co m*/
    g.setHiddenEdges(Collections.EMPTY_LIST);
    g.setHiddenNodes(Collections.EMPTY_LIST);
}

From source file:biomine.bmvis2.crawling.Databases.java

public static Collection<String> getDatabases() {
    if (dbs != null)
        return dbs;

    try {// www  .j  a va 2  s  .c  o m
        String url = WebConstants.BIOMINE_URL + "stats/index.cgi?json_action=getdbs";
        String cont = URLUtils.getURLContents(new URL(url));
        Object arr = JSONValue.parse(cont);
        if (arr instanceof JSONArray) {
            JSONArray jarr = (JSONArray) arr;
            dbs = new ArrayList();
            for (Object dbo : jarr) {
                JSONObject jdb = (JSONObject) dbo;
                Object no = jdb.get("name");
                if (no != null)
                    dbs.add(no.toString());
            }
            Collections.reverse(dbs);
            return dbs;
        }
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (ClassCastException e) {
        // TODO: handle exception
    }
    return Collections.EMPTY_LIST;
}

From source file:ml.shifu.shifu.util.ClassUtils.java

@SuppressWarnings("unchecked")
public static List<Field> getAllFields(Class<?> clazz) {
    if (clazz == null || clazz.equals(Object.class)) {
        return Collections.EMPTY_LIST;
    }//  ww w. java2s.c  o m

    List<Field> result = new ArrayList<Field>();
    for (Field field : clazz.getDeclaredFields()) {
        result.add(field);
    }
    Class<?> tmpClazz = clazz.getSuperclass();
    while (!Object.class.equals(tmpClazz)) {
        result.addAll(getAllFields(tmpClazz));
        tmpClazz = tmpClazz.getSuperclass();
    }

    return result;
}

From source file:net.sourceforge.fenixedu.presentationTier.renderers.providers.GroupsForUnit.java

@Override
public Object provide(Object source, Object currentValue) {

    Unit unit = null;//from  www .j a  v  a2 s  . c  o m
    try {
        unit = (Unit) MethodUtils.invokeMethod(source, "getUnit", null);
        if (unit == null) {
            return Collections.EMPTY_LIST;
        } else {
            return MethodUtils.invokeMethod(unit, "getGroups", null);
        }

    } catch (Exception e) {
        throw new RuntimeException(e);
    }

}

Example usage for java.util Collections EMPTY_LIST

Introduction

Prototype

Document

Usage