package org.ovirt.engine.ui.uicompat;
import com.google.gwt.core.client.GWT;
public abstract class ConstantsManager {
private static ConstantsManager instance = new GwtConstantsManager();
public static ConstantsManager getInstance() {
return instance;
}
public static void setInstance(ConstantsManager manager) {
instance = manager;
}
public abstract UIConstants getConstants();
public abstract UIMessages getMessages();
public abstract Enums getEnums();
static class GwtConstantsManager extends ConstantsManager {
private static UIConstants constants;
private static UIMessages messages;
private static Enums enums;
@Override
public UIConstants getConstants() {
if (constants == null) {
constants = GWT.create(UIConstants.class);
}
return constants;
}
@Override
public UIMessages getMessages() {
if (messages == null) {
messages = GWT.create(UIMessages.class);
}
return messages;
}
@Override
public Enums getEnums() {
if (enums == null) {
enums = GWT.create(Enums.class);
}
return enums;
}
}
}