/*******************************************************************************
* Copyright (c) 2012-2016 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ext.java.client.search;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.eclipse.che.api.promises.client.Promise;
import org.eclipse.che.api.promises.client.callback.AsyncPromiseHelper;
import org.eclipse.che.api.promises.client.callback.PromiseHelper;
import org.eclipse.che.ide.api.app.AppContext;
import org.eclipse.che.ide.dto.DtoFactory;
import org.eclipse.che.ide.ext.java.shared.dto.search.FindUsagesRequest;
import org.eclipse.che.ide.ext.java.shared.dto.search.FindUsagesResponse;
import org.eclipse.che.ide.rest.DtoUnmarshallerFactory;
import org.eclipse.che.ide.ui.loaders.request.LoaderFactory;
import org.eclipse.che.ide.ui.loaders.request.MessageLoader;
import org.eclipse.che.ide.websocket.MessageBuilder;
import org.eclipse.che.ide.websocket.MessageBus;
import org.eclipse.che.ide.websocket.MessageBusProvider;
import org.eclipse.che.ide.websocket.WebSocketException;
import org.eclipse.che.ide.websocket.rest.RequestCallback;
import static org.eclipse.che.ide.MimeType.APPLICATION_JSON;
import static org.eclipse.che.ide.rest.HTTPHeader.ACCEPT;
import static org.eclipse.che.ide.rest.HTTPHeader.CONTENTTYPE;
/**
* WebSocket implementation of JavaSearchService
*
* @author Evgen Vidolob
*/
@Singleton
public class JavaSearchServiceWS implements JavaSearchService {
private MessageBusProvider provider;
private DtoFactory dtoFactory;
private MessageLoader loader;
private DtoUnmarshallerFactory unmarshallerFactory;
private String pathToService;
@Inject
public JavaSearchServiceWS(MessageBusProvider provider,
AppContext appContext,
DtoFactory dtoFactory,
LoaderFactory loaderFactory,
DtoUnmarshallerFactory unmarshallerFactory) {
this.provider = provider;
this.dtoFactory = dtoFactory;
this.loader = loaderFactory.newLoader();
this.unmarshallerFactory = unmarshallerFactory;
this.pathToService = "/jdt/" + appContext.getWorkspace().getId() + "/search/";
}
@Override
public Promise<FindUsagesResponse> findUsages(final FindUsagesRequest request) {
final MessageBus messageBus = provider.getMachineMessageBus();
return PromiseHelper.newPromise(new AsyncPromiseHelper.RequestCall<FindUsagesResponse>() {
@Override
public void makeCall(final AsyncCallback<FindUsagesResponse> callback) {
MessageBuilder builder = new MessageBuilder(RequestBuilder.POST, pathToService + "find/usages");
builder.data(dtoFactory.toJson(request))
.header(CONTENTTYPE, APPLICATION_JSON)
.header(ACCEPT, APPLICATION_JSON);
loader.show();
try {
messageBus.send(builder.build(), new RequestCallback<FindUsagesResponse>(
unmarshallerFactory.newWSUnmarshaller(FindUsagesResponse.class)) {
@Override
protected void onSuccess(FindUsagesResponse result) {
loader.hide();
callback.onSuccess(result);
}
@Override
protected void onFailure(Throwable exception) {
loader.hide();
callback.onFailure(exception);
}
});
} catch (WebSocketException e) {
loader.hide();
callback.onFailure(e);
}
}
});
}
}