Java tutorial
/* * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.switchyard.console.client.ui.service; import java.util.List; import java.util.Map; import org.jboss.as.console.client.Console; import org.jboss.ballroom.client.layout.LHSHighlightEvent; import org.switchyard.console.client.NameTokens; import org.switchyard.console.client.Singleton; import org.switchyard.console.client.gin.SwitchYardGinjector; import org.switchyard.console.client.model.Binding; import org.switchyard.console.client.model.Service; import org.switchyard.console.client.model.SwitchYardStore; import org.switchyard.console.client.model.Throttling; import org.switchyard.console.client.ui.runtime.RuntimePresenter; import com.google.gwt.core.client.Scheduler; import com.google.gwt.http.client.URL; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.inject.Inject; import com.google.web.bindery.event.shared.EventBus; import com.gwtplatform.mvp.client.Presenter; import com.gwtplatform.mvp.client.View; import com.gwtplatform.mvp.client.annotations.NameToken; import com.gwtplatform.mvp.client.annotations.ProxyCodeSplit; import com.gwtplatform.mvp.client.annotations.TabInfo; import com.gwtplatform.mvp.client.proxy.PlaceManager; import com.gwtplatform.mvp.client.proxy.PlaceRequest; import com.gwtplatform.mvp.client.proxy.ResetPresentersEvent; import com.gwtplatform.mvp.client.proxy.RevealContentEvent; import com.gwtplatform.mvp.client.proxy.TabContentProxyPlace; /** * ServicePresenter * * Presenter for SwitchYard component configuration. * * @author Rob Cernich */ public class ServicePresenter extends Presenter<ServicePresenter.MyView, ServicePresenter.MyProxy> implements GatewayPresenter { /** * MyProxy * * The proxy type used by this presenter. */ @ProxyCodeSplit @NameToken(NameTokens.SERVICES_PRESENTER) public interface MyProxy extends TabContentProxyPlace<ServicePresenter> { } @TabInfo(container = RuntimePresenter.class, priority = 2) static String getLabel(SwitchYardGinjector ginjector) { return ginjector.getMessages().label_services(); } /** * MyView * * The view type used by this presenter. */ public interface MyView extends View { /** * @param presenter the presenter associated with the view. */ void setPresenter(ServicePresenter presenter); /** * @param service set the service to be viewed/edited. */ void setService(Service service); /** * @param services the services deployed on the server. */ void setServicesList(List<Service> services); } private final PlaceManager _placeManager; private final SwitchYardStore _switchYardStore; private String _applicationName; private String _serviceName; /** * Create a new ServicePresenter. * * @param eventBus the injected EventBus. * @param view the injected MyView. * @param proxy the injected MyProxy. * @param placeManager the injected PlaceManager. * @param switchYardStore the injected SwitchYardStore. */ @Inject public ServicePresenter(EventBus eventBus, MyView view, MyProxy proxy, PlaceManager placeManager, SwitchYardStore switchYardStore) { super(eventBus, view, proxy); _placeManager = placeManager; _switchYardStore = switchYardStore; } @Override public void startGateway(Binding binding) { _switchYardStore.startGateway(binding.getName(), _serviceName, _applicationName, new AsyncCallback<Void>() { @Override public void onSuccess(Void dummy) { getEventBus().fireEvent(new ResetPresentersEvent()); } @Override public void onFailure(Throwable caught) { Console.error(Singleton.MESSAGES.error_unknown(), caught.getMessage()); } }); } @Override public void stopGateway(Binding binding) { _switchYardStore.stopGateway(binding.getName(), _serviceName, _applicationName, new AsyncCallback<Void>() { @Override public void onSuccess(Void dummy) { getEventBus().fireEvent(new ResetPresentersEvent()); } @Override public void onFailure(Throwable caught) { Console.error(Singleton.MESSAGES.error_unknown(), caught.getMessage()); } }); } /** * Updates the throttling configuration for the specified service. * * @param service the service * @param throttling the new throttling configuration * @param changeset what changed from the original configuration */ public void updateThrottling(Service service, Throttling throttling, Map<String, Object> changeset) { _switchYardStore.updateThrottling(service, _switchYardStore.processChangeSet(Throttling.class, throttling, changeset, false), new AsyncCallback<Void>() { @Override public void onSuccess(Void dummy) { getEventBus().fireEvent(new ResetPresentersEvent()); } @Override public void onFailure(Throwable caught) { Console.error(Singleton.MESSAGES.error_unknown(), caught.getMessage()); } }); } /** * Notifies the presenter that the user has selected a service. The * presenter will load the service details and pass them back to the view to * be displayed. * * @param service the selected service. */ public void onServiceSelected(Service service) { PlaceRequest request = new PlaceRequest(NameTokens.SERVICES_PRESENTER); if (service != null && service.getName() != null) { request = request.with(NameTokens.SERVICE_NAME_PARAM, URL.encode(service.getName())); if (service.getApplication() != null) { request = request.with(NameTokens.APPLICATION_NAME_PARAM, URL.encode(service.getApplication())); } } _placeManager.revealRelativePlace(request, -1); } @Override protected void onBind() { super.onBind(); getView().setPresenter(this); } @Override public void prepareFromRequest(PlaceRequest request) { super.prepareFromRequest(request); _serviceName = _placeManager.getCurrentPlaceRequest().getParameter(NameTokens.SERVICE_NAME_PARAM, null); _applicationName = _placeManager.getCurrentPlaceRequest().getParameter(NameTokens.APPLICATION_NAME_PARAM, null); if (_serviceName != null) { _serviceName = URL.decode(_serviceName); } if (_applicationName != null) { _applicationName = URL.decode(_applicationName); } } @Override protected void onReveal() { super.onReveal(); Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() { @Override public void execute() { fireEvent(new LHSHighlightEvent(NameTokens.RUNTIME_OPERATIONS_PRESENTER)); } }); } @Override protected void onReset() { super.onReset(); loadServicesList(); loadService(); } @Override protected void revealInParent() { RevealContentEvent.fire(this, RuntimePresenter.TYPE_SET_TAB_CONTENT, this); } private void loadServicesList() { _switchYardStore.loadServices(new AsyncCallback<List<Service>>() { @Override public void onSuccess(List<Service> services) { getView().setServicesList(services); } @Override public void onFailure(Throwable caught) { Console.error(Singleton.MESSAGES.error_unknown(), caught.getMessage()); } }); } private void loadService() { if (_serviceName == null || _applicationName == null) { getView().setService(null); return; } _switchYardStore.loadService(_serviceName, _applicationName, new AsyncCallback<Service>() { @Override public void onSuccess(Service service) { getView().setService(service); } @Override public void onFailure(Throwable caught) { Console.error(Singleton.MESSAGES.error_unknown(), caught.getMessage()); } }); } protected PlaceManager getPlaceManager() { return _placeManager; } }