gwt+gxt+spring+mybatis+mysql the result is output - mysql

Question

The program compiles without errors. I can not understand why the widget is not displayed.
GreetingServise
#RemoteServiceRelativePath("springGwtServices/greetingService")
public interface GreetingService extends RemoteService {
Greeting getGreeting(String text);
void addGreeting(String author, String text);
void updateGreeting(String author, String text);
void deleteGreeting(String text);
List<Greeting> getGreetings();
}
GreetingServiceAsync
public interface GreetingServiceAsync extends RemoteService {
void getGreeting(String text, AsyncCallback<Greeting> async);
void addGreeting(String author, String text, AsyncCallback<Void> async);
void updateGreeting(String author, String text, AsyncCallback<Void> async);
void deleteGreeting(String text, AsyncCallback<Void> async);
void getGreetings( AsyncCallback<List<Greeting>> callback);
}
HelloGWT
public class HelloGWT implements IsWidget, EntryPoint {
static Logger logger = Logger.getLogger(HelloGWT.class);
private static final GreetingMapper props = GWT.create(GreetingMapper.class);
private static final GreetingServiceImpl impl = GWT.create(GreetingServiceImpl.class);
private ContentPanel panel;
public Widget asWidget() {
if (panel == null) {
ColumnConfig<Greeting, String> nameCol = new ColumnConfig<Greeting, String>(props.author(), 50, SafeHtmlUtils.fromTrustedString("<b>Company</b>"));
ColumnConfig<Greeting, String> symbolCol = new ColumnConfig<Greeting, String>(props.text(), 100, "Symbol");
List<ColumnConfig<Greeting, ?>> columns = new ArrayList<ColumnConfig<Greeting, ?>>();
columns.add(nameCol);
columns.add(symbolCol);
ColumnModel<Greeting> cm = new ColumnModel<Greeting>(columns);
ToolTipConfig config = new ToolTipConfig("Example Info", "This examples includes resizable panel, reorderable columns and grid state. Text selection is allowed.");
config.setMaxWidth(225);
ToolButton info = new ToolButton(ToolButton.QUESTION);
info.setToolTipConfig(config);
ListStore<Greeting> store = new ListStore<Greeting>(props.id());
store.addAll(impl.getGreetings());
final Grid<Greeting> grid = new Grid<Greeting>(store, cm);
grid.setAllowTextSelection(true);
grid.getView().setAutoExpandColumn(nameCol);
grid.getView().setStripeRows(true);
grid.getView().setColumnLines(true);
grid.setBorders(false);
grid.setColumnReordering(true);
// Stage manager, turn on state management
grid.setStateful(true);
grid.setStateId("gridExample");
// Stage manager, load previous state
GridStateHandler<Greeting> state = new GridStateHandler<Greeting>(grid);
state.loadState();
SimpleComboBox<String> typeCombo = new SimpleComboBox<String>(new StringLabelProvider<String>());
typeCombo.setTriggerAction(ComboBoxCell.TriggerAction.ALL);
typeCombo.setEditable(false);
typeCombo.setWidth(100);
typeCombo.add("Row");
typeCombo.add("Cell");
typeCombo.setValue("Row");
// we want to change selection model on select, not value change which fires on blur
typeCombo.addSelectionHandler(new SelectionHandler<String>() {
public void onSelection(SelectionEvent<String> event) {
boolean cell = event.getSelectedItem().equals("Cell");
if (cell) {
CellSelectionModel<Greeting> c = new CellSelectionModel<Greeting>();
c.addCellSelectionChangedHandler(new CellSelectionChangedEvent.CellSelectionChangedHandler<Greeting>() {
public void onCellSelectionChanged(CellSelectionChangedEvent<Greeting> event) {
}
});
grid.setSelectionModel(c);
} else {
grid.setSelectionModel(new GridSelectionModel<Greeting>());
}
}
});
typeCombo.addValueChangeHandler(new ValueChangeHandler<String>() {
public void onValueChange(ValueChangeEvent<String> event) {
}
});
ToolBar toolBar = new ToolBar();
toolBar.setEnableOverflow(false);
toolBar.add(new LabelToolItem("Selection Mode: "));
toolBar.add(typeCombo);
VerticalLayoutContainer con = new VerticalLayoutContainer();
con.add(toolBar, new VerticalLayoutContainer.VerticalLayoutData(1, -1));
con.add(grid, new VerticalLayoutContainer.VerticalLayoutData(1, 1));
panel = new ContentPanel();
panel.setHeadingText("Basic Grid");
panel.setPixelSize(600, 300);
panel.addTool(info);
final Resizable resizable = new Resizable(panel, Resizable.Dir.E, Resizable.Dir.SE, Resizable.Dir.S);
panel.addExpandHandler(new ExpandEvent.ExpandHandler() {
public void onExpand(ExpandEvent event) {
resizable.setEnabled(true);
}
});
panel.addCollapseHandler(new CollapseEvent.CollapseHandler() {
public void onCollapse(CollapseEvent event) {
resizable.setEnabled(false);
}
});
panel.setWidget(con);
// Enables quicktips (qtitle for the heading and qtip for the
// content) that are setup in the change GridCellRenderer
new QuickTip(grid);
}
return panel;
}
public void onModuleLoad() {
// State manager, initialize the state options
StateManager.get().setProvider(new CookieProvider("/", null, null, GXT.isSecure()));
RootPanel.get().add(asWidget());
BasicConfigurator.configure();
logger.info("Entering application.");
Bar bar = new Bar();
bar.doIt();
logger.info("Exiting application.");
}
}
GreetingMapper
public interface GreetingMapper extends PropertyAccess<Greeting> {
#Select("SELECT * FROM greetings WHERE text = #{text}")
Greeting getGreeting(#Param("text") String text);
#Select("INSERT INTO greetings (author, text) VALUES (#{author}, #{text})")
void addGreeting(#Param("author") String author, #Param("text") String text);
#Select("UPDATE greetings SET author = #{author} where text = #{text}")
void updateGreeting(#Param("author") String author, #Param("text") String text);
#Select("DELETE FROM greetings WHERE text = #{text}")
void deleteGreeting(#Param("text") String text);
#Select("SELECT * FROM greetings")
List<Greeting> getGreetings();
ModelKeyProvider<Greeting> id();
ValueProvider<Greeting, String> author();
ValueProvider<Greeting, String> text();
}
GreetingServiceImpl
#Service("greetingService")
public class GreetingServiceImpl implements GreetingService {
#Autowired
private GreetingMapper greetingMapper;
#Override
public Greeting getGreeting(String text) {
return greetingMapper.getGreeting(text);
}
#Override
public void addGreeting(String author, String text) {
greetingMapper.addGreeting(author, text);
}
#Override
public void updateGreeting(String author, String text) {
greetingMapper.updateGreeting(author, text);
}
#Override
public void deleteGreeting(String text) {
greetingMapper.deleteGreeting(text);
}
#Override
public List<Greeting> getGreetings() {
return greetingMapper.getGreetings();
}
}
Greeting
public class Greeting extends BaseModelData implements Serializable{
private Integer id;
private String author;
private String text;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
}