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.reference; import java.util.List; 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.Reference; import org.switchyard.console.client.model.SwitchYardStore; import org.switchyard.console.client.ui.runtime.RuntimePresenter; import org.switchyard.console.client.ui.service.GatewayPresenter; 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; /** * ReferencePresenter * * Presenter for SwitchYard component configuration. */ public class ReferencePresenter extends Presenter<ReferencePresenter.MyView, ReferencePresenter.MyProxy> implements GatewayPresenter { /** * MyProxy * * The proxy type used by this presenter. */ @ProxyCodeSplit @NameToken(NameTokens.REFERENCES_PRESENTER) public interface MyProxy extends TabContentProxyPlace<ReferencePresenter> { } @TabInfo(container = RuntimePresenter.class, priority = 3) static String getLabel(SwitchYardGinjector ginjector) { return ginjector.getMessages().label_references(); } /** * MyView * * The view type used by this presenter. */ public interface MyView extends View { /** * @param presenter the presenter associated with the view. */ void setPresenter(ReferencePresenter presenter); /** * @param reference set the reference to be viewed/edited. */ void setReference(Reference reference); /** * @param references the references deployed on the server. */ void setReferencesList(List<Reference> references); } private final PlaceManager _placeManager; private final SwitchYardStore _switchYardStore; private String _applicationName; private String _referenceName; /** * Create a new ReferencePresenter. * * @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 ReferencePresenter(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(), _referenceName, _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(), _referenceName, _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()); } }); } /** * Notifies the presenter that the user has selected a reference. The * presenter will load the reference details and pass them back to the view * to be displayed. * * @param reference the selected reference. */ public void onReferenceSelected(Reference reference) { PlaceRequest request = new PlaceRequest(NameTokens.REFERENCES_PRESENTER); if (reference != null && reference.getName() != null) { request = request.with(NameTokens.REFERENCE_NAME_PARAM, URL.encode(reference.getName())); if (reference.getApplication() != null) { request = request.with(NameTokens.APPLICATION_NAME_PARAM, URL.encode(reference.getApplication())); } } _placeManager.revealRelativePlace(request, -1); } @Override protected void onBind() { super.onBind(); getView().setPresenter(this); } @Override public void prepareFromRequest(PlaceRequest request) { super.prepareFromRequest(request); _referenceName = _placeManager.getCurrentPlaceRequest().getParameter(NameTokens.REFERENCE_NAME_PARAM, null); _applicationName = _placeManager.getCurrentPlaceRequest().getParameter(NameTokens.APPLICATION_NAME_PARAM, null); if (_referenceName != null) { _referenceName = URL.decode(_referenceName); } 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(); loadReferencesList(); loadReference(); } @Override protected void revealInParent() { RevealContentEvent.fire(this, RuntimePresenter.TYPE_SET_TAB_CONTENT, this); } private void loadReferencesList() { _switchYardStore.loadReferences(new AsyncCallback<List<Reference>>() { @Override public void onSuccess(List<Reference> references) { getView().setReferencesList(references); } @Override public void onFailure(Throwable caught) { Console.error(Singleton.MESSAGES.error_unknown(), caught.getMessage()); } }); } private void loadReference() { if (_referenceName == null || _applicationName == null) { getView().setReference(_switchYardStore.getBeanFactory().reference().as()); return; } _switchYardStore.loadReference(_referenceName, _applicationName, new AsyncCallback<Reference>() { @Override public void onSuccess(Reference reference) { getView().setReference(reference); } @Override public void onFailure(Throwable caught) { Console.error(Singleton.MESSAGES.error_unknown(), caught.getMessage()); } }); } protected PlaceManager getPlaceManager() { return _placeManager; } }