List of usage examples for java.util Collections emptyMap
@SuppressWarnings("unchecked") public static final <K, V> Map<K, V> emptyMap()
From source file:edu.northwestern.bioinformatics.studycalendar.web.admin.BaseUserProvisioningCommand.java
protected BaseUserProvisioningCommand(List<PscUser> users, ProvisioningSessionFactory provisioningSessionFactory, ApplicationSecurityManager applicationSecurityManager) { this.users = users; this.applicationSecurityManager = applicationSecurityManager; this.provisioningSessionFactory = provisioningSessionFactory; // locked down by default this.provisionableRoles = Collections.emptyList(); this.provisionableSites = Collections.emptyList(); this.provisionableRoleGroups = Collections.emptyMap(); this.provisionableSiteIdentifiers = Collections.emptySet(); this.provisionableManagedStudies = Collections.emptyList(); this.provisionableManagedStudyIdentifiers = Collections.emptySet(); this.provisionableParticipatingStudies = Collections.emptyList(); this.provisionableParticipatingStudyIdentifiers = Collections.emptySet(); }
From source file:com.selene.volley.tool.BasicNetwork.java
@Override public NetworkResponse performRequest(Request<?> request) throws VolleyError { // Determine if request had non-http perform. NetworkResponse networkResponse = request.perform(); if (networkResponse != null) { return networkResponse; }// w w w . java 2s . co m long requestStart = SystemClock.elapsedRealtime(); while (true) { // If the request was cancelled already, // do not perform the network request. if (request.isCanceled()) { request.finish("perform-discard-cancelled"); mDelivery.postCancel(request); throw new NetworkError(networkResponse); } HttpResponse httpResponse = null; byte[] responseContents = null; Map<String, String> responseHeaders = Collections.emptyMap(); try { // prepare to perform this request, normally is reset the request headers. request.prepare(); // Gather headers. Map<String, String> headers = new HashMap<String, String>(); addCacheHeaders(headers, request.getCacheEntry()); httpResponse = mHttpStack.performRequest(request, headers); StatusLine statusLine = httpResponse.getStatusLine(); int statusCode = statusLine.getStatusCode(); responseHeaders = convertHeaders(httpResponse.getAllHeaders()); responseContents = request.handleResponse(httpResponse, mDelivery); // Handle cache validation. if (statusCode == HttpStatus.SC_NOT_MODIFIED) { Entry entry = request.getCacheEntry(); if (entry == null) { return new NetworkResponse(HttpStatus.SC_NOT_MODIFIED, null, responseHeaders, true, SystemClock.elapsedRealtime() - requestStart); } // A HTTP 304 response does not have all header fields. We // have to use the header fields from the cache entry plus // the new ones from the response. // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5 entry.responseHeaders.putAll(responseHeaders); return new NetworkResponse(HttpStatus.SC_NOT_MODIFIED, entry.data, entry.responseHeaders, true, SystemClock.elapsedRealtime() - requestStart); } // Handle moved resources if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY || statusCode == HttpStatus.SC_MOVED_TEMPORARILY) { String newUrl = responseHeaders.get("Location"); request.setRedirectUrl(newUrl); } // Some responses such as 204s do not have content. We must check. alternative by handleResponse // if (httpResponse.getEntity() != null) { // responseContents = entityToBytes(httpResponse.getEntity()); // } else { // // Add 0 byte response as a way of honestly representing a // // no-content request. // responseContents = new byte[0]; // } // if the request is slow, log it. long requestLifetime = SystemClock.elapsedRealtime() - requestStart; logSlowRequests(requestLifetime, request, responseContents, statusLine); if (statusCode < 200 || statusCode > 299) { throw new IOException(); } return new NetworkResponse(statusCode, responseContents, responseHeaders, false, SystemClock.elapsedRealtime() - requestStart); } catch (SocketTimeoutException e) { attemptRetryOnException("socket", request, new TimeoutError()); } catch (ConnectTimeoutException e) { attemptRetryOnException("connection", request, new TimeoutError()); } catch (MalformedURLException e) { throw new RuntimeException("Bad URL " + request.getUrl(), e); } catch (IOException e) { int statusCode = 0; if (httpResponse != null) { statusCode = httpResponse.getStatusLine().getStatusCode(); } else { throw new NoConnectionError(e); } if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY || statusCode == HttpStatus.SC_MOVED_TEMPORARILY) { VolleyLog.e("Request at %s has been redirected to %s", request.getOriginUrl(), request.getUrl()); } else { VolleyLog.e("Unexpected response code %d for %s", statusCode, request.getUrl()); } if (responseContents != null) { networkResponse = new NetworkResponse(statusCode, responseContents, responseHeaders, false, SystemClock.elapsedRealtime() - requestStart); if (statusCode == HttpStatus.SC_UNAUTHORIZED || statusCode == HttpStatus.SC_FORBIDDEN) { attemptRetryOnException("auth", request, new AuthFailureError(networkResponse)); } else if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY || statusCode == HttpStatus.SC_MOVED_TEMPORARILY) { attemptRetryOnException("redirect", request, new RedirectError(networkResponse)); } else { // TODO: Only throw ServerError for 5xx status codes. throw new ServerError(networkResponse); } } else { throw new NetworkError(networkResponse); } } } }
From source file:ddf.catalog.transformer.csv.CsvQueryResponseTransformer.java
/** * @param upstreamResponse the SourceResponse to be converted. * @param arguments this transformer accepts 3 parameters in the 'arguments' map. 1) key: * 'hiddenFields' value: a java.util.Set containing Attribute names (as Strings) to be * excluded from the output. 2) key: 'attributeOrder' value: a java.utilList containing * Attribute name (as Strings) to identify the order that the columns will appear in the * output. 3) key: 'aliases' value: a java.util.Map whose keys are attribute names and values * are the how that attribute column should be aliased in the output. For example, if the key * is 'title' and the value is 'Product' then the resulting CSV will have a column name of * 'Product' instead of 'title'.//from ww w . j ava2 s . com * @return a BinaryContent object that contains an InputStream with the CSV content. * @throws CatalogTransformerException during processing, the CSV output is written to an * Appendable, whose 'append()' method signature declares that it throws IOException. When * that Appendable throws IOException, this class will theoretically convert that into a * CatalogTransformerException and raise that. Because this implementation uses a * StringBuilder which doesn't throw IOException, this will never occur. */ @Override public BinaryContent transform(SourceResponse upstreamResponse, Map<String, Serializable> arguments) throws CatalogTransformerException { Set<String> hiddenFields = Optional.ofNullable((Set<String>) arguments.get(HIDDEN_FIELDS_KEY)) .orElse(Collections.emptySet()); List<String> attributeOrder = Optional.ofNullable((List<String>) arguments.get(COLUMN_ORDER_KEY)) .orElse(Collections.emptyList()); Map<String, String> columnAliasMap = Optional .ofNullable((Map<String, String>) arguments.get(COLUMN_ALIAS_KEY)).orElse(Collections.emptyMap()); Set<AttributeDescriptor> allAttributeDescriptors = getAllRequestedAttributes(upstreamResponse.getResults(), hiddenFields); List<AttributeDescriptor> sortedAttributeDescriptors = sortAttributes(allAttributeDescriptors, attributeOrder); Appendable csv = writeSearchResultsToCsv(upstreamResponse, columnAliasMap, sortedAttributeDescriptors); return createResponse(csv); }
From source file:mysql5.MySQL5PlayerDAO.java
@Override public Map<Integer, String> getPlayerNames(Collection<Integer> playerObjectIds) { if (GenericValidator.isBlankOrNull(playerObjectIds)) { return Collections.emptyMap(); }//from www .java 2s . c om Map<Integer, String> result = Maps.newHashMap(); String sql = "SELECT id, `name` FROM players WHERE id IN(%s)"; sql = String.format(sql, StringUtils.join(playerObjectIds, ", ")); PreparedStatement s = DB.prepareStatement(sql); try { ResultSet rs = s.executeQuery(); while (rs.next()) { int id = rs.getInt("id"); String name = rs.getString("name"); result.put(id, name); } } catch (SQLException e) { throw new RuntimeException("Failed to load player names", e); } finally { DB.close(s); } return result; }
From source file:edu.cornell.mannlib.vitro.webapp.controller.freemarker.NavigationController.java
Map<String, Object> getValues(Individual ind, OntModel displayOntModel, OntModel assertionModel,
Map<String, Object> baseValues) {
if (ind == null)
return Collections.emptyMap();
/* Figure out what ValueFactories are specified in the display ontology for this individual. */
Set<ValueFactory> valueFactories = new HashSet<ValueFactory>();
displayOntModel.enterCriticalSection(Model.READ);
StmtIterator stmts = ind.listProperties(DisplayVocabulary.REQUIRES_VALUES);
try {/*from w w w.j a va2 s .c om*/
while (stmts.hasNext()) {
Statement stmt = stmts.nextStatement();
RDFNode obj = stmt.getObject();
valueFactories.addAll(getValueFactory(obj, displayOntModel));
}
} finally {
stmts.close();
displayOntModel.leaveCriticalSection();
}
/* Get values from the ValueFactories. */
HashMap<String, Object> values = new HashMap<String, Object>();
values.putAll(baseValues);
for (ValueFactory vf : valueFactories) {
values.putAll(vf.getValues(assertionModel, values));
}
return values;
}
From source file:com.arpnetworking.metrics.vertx.SinkHandlerTest.java
@Test public void testHandleWithMessageWithoutGaugeSamples() throws JsonProcessingException { final String messageBody = OBJECT_MAPPER .writeValueAsString(ImmutableMap.of(TIMER_SAMPLES_KEY, Collections.emptyMap(), COUNTER_SAMPLES_KEY, Collections.emptyMap(), ANNOTATIONS_KEY, Collections.emptyMap())); Mockito.doReturn(messageBody).when(_message).body(); _handler.handle(_message);//from ww w. j av a 2 s . c om Mockito.verifyZeroInteractions(_mockSink); }
From source file:com.kescoode.android.yong.volley.toolbox.BasicNetwork.java
@Override public NetworkResponse performRequest(Request<?> request) throws VolleyError { long requestStart = SystemClock.elapsedRealtime(); while (true) { HttpResponse httpResponse = null; byte[] responseContents = null; Map<String, String> responseHeaders = Collections.emptyMap(); try {/*from w ww . j a v a2 s.c o m*/ // Gather headers. Map<String, String> headers = new HashMap<String, String>(); addCacheHeaders(headers, request.getCacheEntry()); httpResponse = mHttpStack.performRequest(request, headers); StatusLine statusLine = httpResponse.getStatusLine(); int statusCode = statusLine.getStatusCode(); responseHeaders = convertHeaders(httpResponse.getAllHeaders()); // Handle cache validation. if (statusCode == HttpStatus.SC_NOT_MODIFIED) { Entry entry = request.getCacheEntry(); if (entry == null) { return new NetworkResponse(HttpStatus.SC_NOT_MODIFIED, null, responseHeaders, true, SystemClock.elapsedRealtime() - requestStart); } // A HTTP 304 response does not have all header fields. We // have to use the header fields from the cache entry plus // the new ones from the response. // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5 entry.responseHeaders.putAll(responseHeaders); return new NetworkResponse(HttpStatus.SC_NOT_MODIFIED, entry.data, entry.responseHeaders, true, SystemClock.elapsedRealtime() - requestStart); } // Handle moved resources if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY || statusCode == HttpStatus.SC_MOVED_TEMPORARILY) { String newUrl = responseHeaders.get("Location"); request.setRedirectUrl(newUrl); } // Some responses such as 204s do not have content. We must check. if (httpResponse.getEntity() != null) { responseContents = entityToBytes(request, httpResponse.getEntity()); } else { // Add 0 byte response as a way of honestly representing a // no-content request. responseContents = new byte[0]; } // if the request is slow, log it. long requestLifetime = SystemClock.elapsedRealtime() - requestStart; logSlowRequests(requestLifetime, request, responseContents, statusLine); if (statusCode < 200 || statusCode > 299) { throw new IOException(); } return new NetworkResponse(statusCode, responseContents, responseHeaders, false, SystemClock.elapsedRealtime() - requestStart); } catch (SocketTimeoutException e) { attemptRetryOnException("socket", request, new TimeoutError()); } catch (ConnectTimeoutException e) { attemptRetryOnException("connection", request, new TimeoutError()); } catch (MalformedURLException e) { throw new RuntimeException("Bad URL " + request.getUrl(), e); } catch (IOException e) { int statusCode = 0; NetworkResponse networkResponse = null; if (httpResponse != null) { statusCode = httpResponse.getStatusLine().getStatusCode(); } else { throw new NoConnectionError(e); } if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY || statusCode == HttpStatus.SC_MOVED_TEMPORARILY) { VolleyLog.e("Request at %s has been redirected to %s", request.getOriginUrl(), request.getUrl()); } else { VolleyLog.e("Unexpected response code %d for %s", statusCode, request.getUrl()); } if (responseContents != null) { networkResponse = new NetworkResponse(statusCode, responseContents, responseHeaders, false, SystemClock.elapsedRealtime() - requestStart); if (statusCode == HttpStatus.SC_UNAUTHORIZED || statusCode == HttpStatus.SC_FORBIDDEN) { attemptRetryOnException("auth", request, new AuthFailureError(networkResponse)); } else if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY || statusCode == HttpStatus.SC_MOVED_TEMPORARILY) { attemptRetryOnException("redirect", request, new AuthFailureError(networkResponse)); } else { // TODO: Only throw ServerError for 5xx status codes. throw new ServerError(networkResponse); } } else { throw new NetworkError(networkResponse); } } } }
From source file:com.liferay.portal.template.velocity.internal.VelocityTemplateTest.java
@Before public void setUp() throws Exception { VelocityEngineConfiguration velocityEngineConfiguration = ConfigurableUtil .createConfigurable(VelocityEngineConfiguration.class, Collections.emptyMap()); _templateContextHelper = new MockTemplateContextHelper(); _velocityEngine = new VelocityEngine(); boolean cacheEnabled = false; ExtendedProperties extendedProperties = new FastExtendedProperties(); extendedProperties.setProperty(VelocityEngine.DIRECTIVE_IF_TOSTRING_NULLCHECK, String.valueOf(velocityEngineConfiguration.directiveIfToStringNullCheck())); extendedProperties.setProperty(VelocityEngine.EVENTHANDLER_METHODEXCEPTION, LiferayMethodExceptionEventHandler.class.getName()); extendedProperties.setProperty(RuntimeConstants.INTROSPECTOR_RESTRICT_CLASSES, StringUtil.merge(velocityEngineConfiguration.restrictedClasses())); extendedProperties.setProperty(RuntimeConstants.INTROSPECTOR_RESTRICT_PACKAGES, StringUtil.merge(velocityEngineConfiguration.restrictedPackages())); extendedProperties.setProperty(VelocityEngine.RESOURCE_LOADER, "liferay"); extendedProperties.setProperty("liferay." + VelocityEngine.RESOURCE_LOADER + ".cache", String.valueOf(cacheEnabled)); extendedProperties.setProperty(// ww w .ja va 2 s.co m "liferay." + VelocityEngine.RESOURCE_LOADER + ".resourceModificationCheckInterval", velocityEngineConfiguration.resourceModificationCheckInterval() + ""); extendedProperties.setProperty("liferay." + VelocityEngine.RESOURCE_LOADER + ".class", LiferayResourceLoader.class.getName()); extendedProperties.setProperty(VelocityEngine.RESOURCE_MANAGER_CLASS, LiferayResourceManager.class.getName()); extendedProperties.setProperty( "liferay." + VelocityEngine.RESOURCE_MANAGER_CLASS + ".resourceModificationCheckInterval", velocityEngineConfiguration.resourceModificationCheckInterval() + ""); extendedProperties.setProperty(VelocityTemplateResourceLoader.class.getName(), _templateResourceLoader); extendedProperties.setProperty(VelocityEngine.RUNTIME_LOG_LOGSYSTEM_CLASS, velocityEngineConfiguration.logger()); extendedProperties.setProperty(VelocityEngine.RUNTIME_LOG_LOGSYSTEM + ".log4j.category", velocityEngineConfiguration.loggerCategory()); extendedProperties.setProperty(RuntimeConstants.UBERSPECT_CLASSNAME, SecureUberspector.class.getName()); extendedProperties.setProperty(VelocityEngine.VM_LIBRARY, StringUtil.merge(velocityEngineConfiguration.velocimacroLibrary())); extendedProperties.setProperty(VelocityEngine.VM_LIBRARY_AUTORELOAD, String.valueOf(!cacheEnabled)); extendedProperties.setProperty(VelocityEngine.VM_PERM_ALLOW_INLINE_REPLACE_GLOBAL, String.valueOf(!cacheEnabled)); _velocityEngine.setExtendedProperties(extendedProperties); _velocityEngine.init(); }
From source file:com.adobe.acs.commons.adobeio.service.impl.EndpointServiceImpl.java
@Override public JsonObject performIO_Action() { return performio(url, Collections.emptyMap()); }
From source file:com.hortonworks.streamline.streams.metrics.storm.graphite.GraphiteWithStormQuerier.java
/** * {@inheritDoc}//w ww . java 2 s . c o m */ @Override public Map<Long, Double> getMetrics(String topologyName, String componentId, String metricName, AggregateFunction aggrFunction, long from, long to) { URI targetUri = composeQueryParameters(topologyName, componentId, metricName, aggrFunction, from, to); log.debug("Calling {} for querying metric", targetUri.toString()); List<Map<String, ?>> responseList = JsonClientUtil.getEntity(client.target(targetUri), List.class); if (responseList.isEmpty()) { return Collections.emptyMap(); } Map<String, ?> metrics = responseList.get(0); List<List<Number>> dataPoints = (List<List<Number>>) metrics.get("datapoints"); return formatDataPointsFromGraphiteToMap(dataPoints); }