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Prefer empty array in Collection#toArray calls
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@mvilliger
mvilliger committed Nov 2, 2019
1 parent d2f0f8c commit efa4e9f
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Showing 34 changed files with 44 additions and 44 deletions.
2 changes: 1 addition & 1 deletion ....rt.client/src/main/java/org/eclipse/scout/rt/client/ui/basic/planner/MultiTimeRange.java
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Expand Up @@ -191,7 191,7 @@ else if (tailFrom.after(from)) {
* @return an {@link Iterator} containing elememts of type {@link TimeRange}.
*/
public TimeRange[] getTimeRanges() {
return m_multipleTimeRangeMap.values().toArray(new TimeRange[m_multipleTimeRangeMap.size()]);
return m_multipleTimeRangeMap.values().toArray(new TimeRange[0]);
}

/**
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2 changes: 1 addition & 1 deletion ...src/main/java/org/eclipse/scout/rt/client/ui/basic/table/columns/AbstractSmartColumn.java
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Expand Up @@ -326,7 326,7 @@ public void updateDisplayTexts(List<ITableRow> rows) {

//
if (!batchCall.isEmpty()) {
ITableRow[] tableRows = batchRowList.toArray(new ITableRow[batchRowList.size()]);
ITableRow[] tableRows = batchRowList.toArray(new ITableRow[0]);
IBatchLookupService service = BEANS.get(IBatchLookupService.class);
List<List<ILookupRow<?>>> resultArray = service.getBatchDataByKey(batchCall);
for (int i = 0; i < tableRows.length; i ) {
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2 changes: 1 addition & 1 deletion ...scout.rt.client/src/main/java/org/eclipse/scout/rt/client/ui/desktop/AbstractDesktop.java
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Expand Up @@ -654,7 654,7 @@ protected void initConfig() {

// add dynamic keyStrokes
List<IKeyStroke> ksList = new ActionFinder().findActions(actionList, IKeyStroke.class, true);
addKeyStrokes(ksList.toArray(new IKeyStroke[ksList.size()]));
addKeyStrokes(ksList.toArray(new IKeyStroke[0]));
addPropertyChangeListener(new P_LocalPropertyChangeListener());

addAddOn(BEANS.get(PopupManager.class));
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2 changes: 1 addition & 1 deletion .../main/java/org/eclipse/scout/rt/client/ui/desktop/bookmark/AbstractBookmarkTreeField.java
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Expand Up @@ -598,7 598,7 @@ protected void execAction() {
names.add(((Bookmark) bookmark.getCell().getValue()).getTitle());
}
}
if (MessageBoxes.showDeleteConfirmationMessage(names.toArray(new String[names.size()]))) {
if (MessageBoxes.showDeleteConfirmationMessage(names.toArray(new String[0]))) {
// delete bookmarks
for (ITreeNode bookmark : bookmarks) {
tree.removeNode(bookmark);
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2 changes: 1 addition & 1 deletion ...lipse.scout.rt.client/src/main/java/org/eclipse/scout/rt/client/ui/form/AbstractForm.java
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Expand Up @@ -2246,7 2246,7 @@ public void loadFromXml(Element root) {
xmlFieldIds.add(element.getAttribute("fieldId"));
}
xmlFieldIds.add(xField.getAttribute("fieldId"));
FindFieldByXmlIdsVisitor v = new FindFieldByXmlIdsVisitor(xmlFieldIds.toArray(new String[xmlFieldIds.size()]));
FindFieldByXmlIdsVisitor v = new FindFieldByXmlIdsVisitor(xmlFieldIds.toArray(new String[0]));
visit(v, IFormField.class);
IFormField f = v.getField();
if (f != null) {
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2 changes: 1 addition & 1 deletion ...main/java/org/eclipse/scout/rt/client/ui/form/fields/sequencebox/AbstractSequenceBox.java
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Expand Up @@ -235,7 235,7 @@ private void attachCheckFromToListeners() {
//fields with equal types
ArrayList<IValueField> valueFieldList = getComparableValueFields();
if (valueFieldList.size() >= 2) {
final IValueField[] valueFields = valueFieldList.toArray(new IValueField[valueFieldList.size()]);
final IValueField[] valueFields = valueFieldList.toArray(new IValueField[0]);
for (int i = 0; i < valueFields.length; i ) {
final int index = i;
valueFields[index].addPropertyChangeListener(
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2 changes: 1 addition & 1 deletion .../main/java/org/eclipse/scout/rt/client/ui/form/fields/splitbox/internal/SplitBoxGrid.java
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Expand Up @@ -42,7 42,7 @@ public void validate(ISplitBox splitBox) {
f.setGridDataInternal(data);
}
}
m_fields = list.toArray(new IFormField[list.size()]);
m_fields = list.toArray(new IFormField[0]);
layoutStatic();
}

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2 changes: 1 addition & 1 deletion .../src/main/java/org/eclipse/scout/rt/client/ui/form/fields/tabbox/internal/TabBoxGrid.java
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Expand Up @@ -42,7 42,7 @@ public void validate(ITabBox tabBox) {
f.setGridDataInternal(data);
}
}
m_fields = list.toArray(new IFormField[list.size()]);
m_fields = list.toArray(new IFormField[0]);
layoutStatic();
}

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2 changes: 1 addition & 1 deletion ...cout.rt.dataformat/src/main/java/org/eclipse/scout/rt/dataformat/ical/model/Property.java
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Expand Up @@ -80,7 80,7 @@ public void addParameters(List<PropertyParameter> propertyParameters) {
for (PropertyParameter parameter : propertyParameters) {
if (m_parameters.containsKey(parameter.getName())) {
PropertyParameter existingParameter = m_parameters.get(parameter.getName());
existingParameter.addValues(parameter.getValueSet().toArray(new String[parameter.getValueSet().size()]));
existingParameter.addValues(parameter.getValueSet().toArray(new String[0]));
}
else {
m_parameters.put(parameter.getName(), parameter);
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8 changes: 4 additions & 4 deletions ...scout.rt.dataformat/src/main/java/org/eclipse/scout/rt/dataformat/io/UnfoldingReader.java
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Expand Up @@ -138,7 138,7 @@ public Property readProperty() throws IOException {
}
parameterList.add(parametersPart.substring(nextParamStart));

Property property = parseParameters(parameterList.toArray(new String[parameterList.size()]));
Property property = parseParameters(parameterList.toArray(new String[0]));

/**************
* READ VALUE *
Expand Down Expand Up @@ -259,7 259,7 @@ private Property parseParameters(String[] parameters) {
}
else if (VCardProperties.PARAM_NAME_TYPE.equalsIgnoreCase(name)) {
// add values for parameter TYPE directly as property parameters for easier accessibility
for (String v : values.toArray(new String[values.size()])) {
for (String v : values.toArray(new String[0])) {
// the parameter values of the parameter "TYPE" are case-insensitive for all properties defined in RFC-2426
v = v.toUpperCase();
if (VCardProperties.PARAM_VALUE_CAR.equals(v)) {
Expand All @@ -284,10 284,10 @@ else if (VCardProperties.PARAM_VALUE_WORK.equals(v)) {
property.addParameters(VCardProperties.PARAM_WORK);
}
}
property.addParameters(new PropertyParameter(VCardProperties.PARAM_NAME_TYPE, values.isEmpty() ? null : values.toArray(new String[values.size()])));
property.addParameters(new PropertyParameter(VCardProperties.PARAM_NAME_TYPE, values.isEmpty() ? null : values.toArray(new String[0])));
}
else {
PropertyParameter p = new PropertyParameter(name, values.isEmpty() ? null : values.toArray(new String[values.size()]));
PropertyParameter p = new PropertyParameter(name, values.isEmpty() ? null : values.toArray(new String[0]));
property.addParameters(p);
}
}
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2 changes: 1 addition & 1 deletion org.eclipse.scout.rt.mail/src/main/java/org/eclipse/scout/rt/mail/MailHelper.java
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Expand Up @@ -782,7 782,7 @@ protected InternetAddress[] createInternetAddresses(List<? extends MailParticipa
addrList.add(internetAddress);
}
}
return addrList.toArray(new InternetAddress[addrList.size()]);
return addrList.toArray(new InternetAddress[0]);
}

/**
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2 changes: 1 addition & 1 deletion ...cout.rt.platform/src/main/java/org/eclipse/scout/rt/platform/classid/ClassIdentifier.java
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Expand Up @@ -117,7 117,7 @@ public static ClassIdentifier[] convertClassArrayToClassIdentifierArray(Class<?>
result.add(new ClassIdentifier(c));
}
}
return result.toArray(new ClassIdentifier[result.size()]);
return result.toArray(new ClassIdentifier[0]);
}

@Override
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2 changes: 1 addition & 1 deletion ...t.platform/src/main/java/org/eclipse/scout/rt/platform/exception/ProcessingException.java
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Expand Up @@ -138,7 138,7 @@ public static StackTraceElement[] unionStackTrace(Throwable t) {
list.addAll(0, Arrays.asList(t.getStackTrace()));
t = t.getCause();
}
return list.toArray(new StackTraceElement[list.size()]);
return list.toArray(new StackTraceElement[0]);
}

@Override
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6 changes: 3 additions & 3 deletions ...m/src/main/java/org/eclipse/scout/rt/platform/job/filter/event/JobEventFilterBuilder.java
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Expand Up @@ -132,7 132,7 @@ public JobEventFilterBuilder andMatchFuture(final Collection<IFuture<?>> futures
* To match all events for jobs which belong to one of the given Futures.
*/
public <RESULT> JobEventFilterBuilder andMatchFuture(final List<IFuture<RESULT>> futures) {
andMatch(new FutureFilterWrapperJobEventFilter(new FutureFilter(futures.toArray(new IFuture<?>[futures.size()]))));
andMatch(new FutureFilterWrapperJobEventFilter(new FutureFilter(futures.toArray(new IFuture<?>[0]))));
return this;
}

Expand All @@ -156,7 156,7 @@ public JobEventFilterBuilder andMatchNotFuture(final Collection<IFuture<?>> futu
* To match all events for jobs which do not belong to any of the given Futures.
*/
public <RESULT> JobEventFilterBuilder andMatchNotFuture(final List<IFuture<RESULT>> futures) {
andMatchNot(new FutureFilterWrapperJobEventFilter(new FutureFilter(futures.toArray(new IFuture<?>[futures.size()]))));
andMatchNot(new FutureFilterWrapperJobEventFilter(new FutureFilter(futures.toArray(new IFuture<?>[0]))));
return this;
}

Expand Down Expand Up @@ -260,7 260,7 @@ protected static IFuture<?>[] calculateFutureIntersection(final Collection<Predi
return null; // NOSONAR
}

return intersection.toArray(new IFuture<?>[intersection.size()]);
return intersection.toArray(new IFuture<?>[0]);
}

@SuppressWarnings("unchecked")
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2 changes: 1 addition & 1 deletion ....platform/src/main/java/org/eclipse/scout/rt/platform/job/filter/future/FutureFilter.java
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Expand Up @@ -44,7 44,7 @@ public boolean test(final IFuture<?> future) {
@Override
public <T> T getAdapter(final Class<T> type) {
if (type == IFuture[].class) {
return (T) m_futures.toArray(new IFuture[m_futures.size()]);
return (T) m_futures.toArray(new IFuture[0]);
}
return null;
}
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4 changes: 2 additions & 2 deletions ...rm/src/main/java/org/eclipse/scout/rt/platform/job/filter/future/FutureFilterBuilder.java
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Expand Up @@ -103,7 103,7 @@ public FutureFilterBuilder andMatchFuture(final Collection<IFuture<?>> futures)
* To match all jobs which are represented by one of the given Futures.
*/
public <RESULT> FutureFilterBuilder andMatchFuture(final List<IFuture<RESULT>> futures) {
andMatch(new FutureFilter(futures.toArray(new IFuture<?>[futures.size()])));
andMatch(new FutureFilter(futures.toArray(new IFuture<?>[0])));
return this;
}

Expand All @@ -127,7 127,7 @@ public FutureFilterBuilder andMatchNotFuture(final Collection<IFuture<?>> future
* To match all jobs which are not represented by any of the given Futures.
*/
public <RESULT> FutureFilterBuilder andMatchNotFuture(final List<IFuture<RESULT>> futures) {
andMatchNot(new FutureFilter(futures.toArray(new IFuture<?>[futures.size()])));
andMatchNot(new FutureFilter(futures.toArray(new IFuture<?>[0])));
return this;
}

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2 changes: 1 addition & 1 deletion ...rt.platform/src/main/java/org/eclipse/scout/rt/platform/reflect/BasicPropertySupport.java
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Expand Up @@ -529,7 529,7 @@ private void processChangeBuffer() {
PropertyChangeEvent[] a = null;
synchronized (m_listenerLock) {
if (m_propertyEventBuffer != null) {
a = m_propertyEventBuffer.toArray(new PropertyChangeEvent[m_propertyEventBuffer.size()]);
a = m_propertyEventBuffer.toArray(new PropertyChangeEvent[0]);
}
m_propertyEventBuffer = null;
}
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2 changes: 1 addition & 1 deletion ...e.scout.rt.platform/src/main/java/org/eclipse/scout/rt/platform/reflect/FastBeanInfo.java
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Expand Up @@ -28,7 28,7 @@ public class FastBeanInfo {
public FastBeanInfo(Class<?> beanClass, Class<?> stopClass) {
m_beanClass = beanClass;
m_propertyMap = Collections.unmodifiableMap(FastBeanUtility.createPropertyDescriptorMap(beanClass, stopClass));
m_propertyArray = m_propertyMap.values().toArray(new FastPropertyDescriptor[m_propertyMap.size()]);
m_propertyArray = m_propertyMap.values().toArray(new FastPropertyDescriptor[0]);
}

public Class getBeanClass() {
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2 changes: 1 addition & 1 deletion ...cout.rt.platform/src/main/java/org/eclipse/scout/rt/platform/reflect/FastBeanUtility.java
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Expand Up @@ -123,7 123,7 @@ public static Method[] getDeclaredPublicMethods(Class c) {
}
}
}
return methodsList.toArray(new Method[methodsList.size()]);
return methodsList.toArray(new Method[0]);
}

}
2 changes: 1 addition & 1 deletion ...ut.rt.platform/src/main/java/org/eclipse/scout/rt/platform/reflect/ReflectionUtility.java
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Expand Up @@ -59,7 59,7 @@ public static Class<?>[] getInterfaces(Class<?> clazz) {
interfaces.addAll(Arrays.asList(clazz.getInterfaces()));
clazz = clazz.getSuperclass();
}
return interfaces.toArray(new Class<?>[interfaces.size()]);
return interfaces.toArray(new Class<?>[0]);
}

/**
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4 changes: 2 additions & 2 deletions ...rt.platform/src/main/java/org/eclipse/scout/rt/platform/transaction/BasicTransaction.java
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Expand Up @@ -99,7 99,7 @@ public ITransactionMember[] getMembers() {
}

private ITransactionMember[] getMembersNoLocking() {
return m_memberMap.values().toArray(new ITransactionMember[m_memberMap.size()]);
return m_memberMap.values().toArray(new ITransactionMember[0]);
}

@Override
Expand Down Expand Up @@ -198,7 198,7 @@ public boolean hasFailures() {

@Override
public Throwable[] getFailures() {
return m_failures.toArray(new Throwable[m_failures.size()]);
return m_failures.toArray(new Throwable[0]);
}

@Override
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2 changes: 1 addition & 1 deletion ...lipse.scout.rt.platform/src/main/java/org/eclipse/scout/rt/platform/util/BeanUtility.java
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Expand Up @@ -159,7 159,7 @@ public static FastPropertyDescriptor[] getFastPropertyDescriptors(Class<?> clazz
filteredProperties.add(pd);
}
}
return filteredProperties.toArray(new FastPropertyDescriptor[filteredProperties.size()]);
return filteredProperties.toArray(new FastPropertyDescriptor[0]);
}

/**
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2 changes: 1 addition & 1 deletion ...eclipse.scout.rt.platform/src/main/java/org/eclipse/scout/rt/platform/util/IOUtility.java
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Expand Up @@ -452,7 452,7 @@ public static void writeString(Writer out, String s) {
public static File[] listFilesInSubtree(File dir, FileFilter filter) {
ArrayList<File> list = new ArrayList<>();
listFilesRec(dir, filter, list);
return list.toArray(new File[list.size()]);
return list.toArray(new File[0]);
}

private static void listFilesRec(File dir, FileFilter filter, ArrayList<File> intoList) {
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4 changes: 2 additions & 2 deletions ...jdbc/src/main/java/org/eclipse/scout/rt/server/jdbc/builder/FormDataStatementBuilder.java
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Expand Up @@ -1500,8 1500,8 @@ else if (parentAliasMap.size() == 1) {

@SuppressWarnings("squid:S138")
public String createSqlOpValuePart(Integer aggregationType, String sql, int operation, List<String> bindNames, List<Object> bindValues, boolean plainBind) {
String[] names = (bindNames != null ? bindNames.toArray(new String[bindNames.size()]) : new String[0]);
Object[] values = (bindValues != null ? bindValues.toArray(new Object[bindValues.size()]) : new Object[0]);
String[] names = (bindNames != null ? bindNames.toArray(new String[0]) : new String[0]);
Object[] values = (bindValues != null ? bindValues.toArray(new Object[0]) : new Object[0]);
if (plainBind && operation != OPERATOR_NONE) {
//rewrite bindNames by plain values
for (int i = 0; i < names.length; i ) {
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2 changes: 1 addition & 1 deletion ...cout.rt.server.jdbc/src/main/java/org/eclipse/scout/rt/server/jdbc/parsers/BindModel.java
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Expand Up @@ -35,7 35,7 @@ else if (token instanceof ValueOutputToken) {
ioList.add(token);
}
}
m_ioTokens = ioList.toArray(new IToken[ioList.size()]);
m_ioTokens = ioList.toArray(new IToken[0]);
}

public IToken[] getAllTokens() {
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2 changes: 1 addition & 1 deletion ...out.rt.server.jdbc/src/main/java/org/eclipse/scout/rt/server/jdbc/parsers/BindParser.java
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Expand Up @@ -89,7 89,7 @@ public BindModel parse() {
if (m_pos.getIndex() < m_str.length()) {
LOG.warn("statement not fully parsed (index {}): {}", m_pos.getIndex(), m_str);
}
return new BindModel(m_tokenList.toArray(new IToken[m_tokenList.size()]));
return new BindModel(m_tokenList.toArray(new IToken[0]));
}

private boolean parseStatement() {
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2 changes: 1 addition & 1 deletion ....server/src/main/java/org/eclipse/scout/rt/server/admin/diagnostic/DiagnosticFactory.java
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Expand Up @@ -52,7 52,7 @@ public static void removeDiagnosticStatusProvider(IDiagnostic statusProvider) {

public static IDiagnostic[] getDiagnosticProviders() {
synchronized (DIAGNOSTIC_STATUS_PROVIDERS) {
IDiagnostic[] copy = DIAGNOSTIC_STATUS_PROVIDERS.toArray(new IDiagnostic[DIAGNOSTIC_STATUS_PROVIDERS.size()]);
IDiagnostic[] copy = DIAGNOSTIC_STATUS_PROVIDERS.toArray(new IDiagnostic[0]);
return copy;
}
}
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2 changes: 1 addition & 1 deletion ....scout.rt.server/src/main/java/org/eclipse/scout/rt/server/admin/html/view/CallsView.java
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Expand Up @@ -87,7 87,7 @@ private void renderCallTable(HtmlComponent p, SessionInspector session) {
long startTime = callInspectors[i].getInfo().getStartTime();
timeToCalls.put(new CompositeObject(startTime, i), callInspectors[i]);
}
CallInspector[] sorted = timeToCalls.values().toArray(new CallInspector[timeToCalls.size()]);
CallInspector[] sorted = timeToCalls.values().toArray(new CallInspector[0]);
p.bold("Calls");
p.startTable(1, 0, 3);
p.startTableRow();
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2 changes: 1 addition & 1 deletion ...out.rt.server/src/main/java/org/eclipse/scout/rt/server/admin/html/view/ServicesView.java
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Expand Up @@ -61,7 61,7 @@ public void activated() {
for (IService service : BEANS.all(IService.class)) {
list.add(new ServiceInspector(service));
}
m_serviceInspectors = list.toArray(new ServiceInspector[list.size()]);
m_serviceInspectors = list.toArray(new ServiceInspector[0]);
}
catch (Exception e) { // NOSONAR
// nop
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2 changes: 1 addition & 1 deletion ...out.rt.server/src/main/java/org/eclipse/scout/rt/server/admin/html/view/SessionsView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -97,7 97,7 @@ protected SessionInspector[] getSortedSessions() {
long lastAccess = NumberUtility.nvl(sessionInspectors[i].getInfo().getLastAccessedTime(), 0L);
userAndTimeToSessions.put(new CompositeObject(lastAccess, user, i), sessionInspectors[i]);
}
return userAndTimeToSessions.values().toArray(new SessionInspector[userAndTimeToSessions.size()]);
return userAndTimeToSessions.values().toArray(new SessionInspector[0]);
}

protected void renderSessionTableHeader(HtmlTable table) {
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4 changes: 2 additions & 2 deletions ...scout.rt.shared/src/main/java/org/eclipse/scout/rt/shared/data/form/AbstractFormData.java
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Expand Up @@ -114,7 114,7 @@ public <T extends AbstractPropertyData> void setPropertyByClass(Class<T> c, T v)

@Override
public AbstractPropertyData[] getAllProperties() {
return m_propertyMap != null ? m_propertyMap.values().toArray(new AbstractPropertyData[m_propertyMap.size()]) : new AbstractPropertyData[0];
return m_propertyMap != null ? m_propertyMap.values().toArray(new AbstractPropertyData[0]) : new AbstractPropertyData[0];
}

public AbstractFormFieldData getFieldById(String id) {
Expand Down Expand Up @@ -167,7 167,7 @@ private <T extends AbstractFormFieldData> Class<? extends T> getReplacingFieldDa
* @return all fields of the form data itself, not including fields in external field templates
*/
public AbstractFormFieldData[] getFields() {
return m_fieldMap.values().toArray(new AbstractFormFieldData[m_fieldMap.size()]);
return m_fieldMap.values().toArray(new AbstractFormFieldData[0]);
}

/**
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4 changes: 2 additions & 2 deletions ...red/src/main/java/org/eclipse/scout/rt/shared/data/form/fields/AbstractFormFieldData.java
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Expand Up @@ -142,7 142,7 @@ public <T extends AbstractPropertyData> void setPropertyByClass(Class<T> c, T v)

@Override
public AbstractPropertyData[] getAllProperties() {
return m_propertyMap != null ? m_propertyMap.values().toArray(new AbstractPropertyData[m_propertyMap.size()]) : new AbstractPropertyData[0];
return m_propertyMap != null ? m_propertyMap.values().toArray(new AbstractPropertyData[0]) : new AbstractPropertyData[0];
}

public AbstractFormFieldData getFieldById(String id) {
Expand Down Expand Up @@ -206,7 206,7 @@ public AbstractFormFieldData[] getFields() {
if (m_fieldMap == null) {
return new AbstractFormFieldData[0];
}
return m_fieldMap.values().toArray(new AbstractFormFieldData[m_fieldMap.size()]);
return m_fieldMap.values().toArray(new AbstractFormFieldData[0]);
}

@Override
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2 changes: 1 addition & 1 deletion ...c/main/java/org/eclipse/scout/rt/shared/services/common/calendar/CalendarAppointment.java
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Expand Up @@ -176,7 176,7 @@ public void setBusyStatus(int a) {

@Override
public String[] getRecipientEmail() {
return m_recipientEmail.toArray(new String[m_recipientEmail.size()]);
return m_recipientEmail.toArray(new String[0]);
}

public void addRecipientEmail(String recipientEmail) {
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2 changes: 1 addition & 1 deletion ...t.shared/src/main/java/org/eclipse/scout/rt/shared/services/common/jdbc/SearchFilter.java
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Expand Up @@ -64,7 64,7 @@ public void clear() {
}

public String[] getDisplayTexts() {
return m_displayTexts.toArray(new String[m_displayTexts.size()]);
return m_displayTexts.toArray(new String[0]);
}

public void setDisplayTexts(String[] displayTexts) {
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