Hi all, I've been getting my head around DI/gin/guice lately....
Here is a really simple widget:
public class UserForm extends DynamicForm implements UserFormInterface
{
private TextItem txtUsername;
private TextItem txtFirstname;
private TextItem txtSurname;
@Inject
private UserForm(TextItem txtUsername, TextItem txtFirstname,
TextItem txtSurname) {
this.txtUsername = txtUsername;
this.txtFirstname = txtFirstname;
this.txtSurname = txtSurname;
this.txtUsername.setTitle("Username");
this.txtFirstname.setTitle("Firstname");
this.txtSurname.setTitle("Surname");
this.setShowEdges(true);
this.setFields(this.txtUsername, this.txtFirstname,
this.txtSurname);
}
@Override
public String getUsername() {
return txtUsername.getValueAsString();
}
@Override
public String getFirstname() {
return txtFirstname.getValueAsString();
}
@Override
public String getSurname() {
return txtSurname.getValueAsString();
}
}
public interface UserFormInterface {
String getUsername();
String getFirstname();
String getSurname();
void draw();
}
ginjector:
@GinModules(MyWidgetClientModule.class)
public interface MyWidgetGinjector extends Ginjector {
UserFormInterface getUserForm();
}
And module:
public class MyWidgetClientModule extends AbstractGinModule {
@Override
protected void configure() {
bind(UserFormInterface.class).to(UserForm.class).in(Singleton.class);
}
}
In such simple cases (eg, when coding a composite widget), is there
any point in using GIN? Where would one draw the line and say 'oh I
really should've done it the other way instead?'
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