/*******************************************************************************
* Copyright (c) 2012-2017 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.client;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import com.google.web.bindery.event.shared.EventBus;
import org.eclipse.che.ide.api.extension.ExtensionDescription;
import org.eclipse.che.ide.api.extension.ExtensionRegistry;
import org.eclipse.che.ide.api.extension.ExtensionsInitializedEvent;
import org.eclipse.che.ide.util.loging.Log;
import java.util.Map;
import java.util.Map.Entry;
/**
* {@link ExtensionInitializer} responsible for bringing up Extensions. It uses ExtensionRegistry to acquire
* Extension description and dependencies.
*
* @author Nikolay Zamosenchuk
* @author Dmitry Shnurenko
*/
@Singleton
public class ExtensionInitializer {
protected final ExtensionRegistry extensionRegistry;
private final ExtensionManager extensionManager;
private final EventBus eventBus;
@Inject
public ExtensionInitializer(final ExtensionRegistry extensionRegistry,
final ExtensionManager extensionManager,
EventBus eventBus) {
this.extensionRegistry = extensionRegistry;
this.extensionManager = extensionManager;
this.eventBus = eventBus;
}
public void startExtensions() {
Map<String, Provider> providers = extensionManager.getExtensions();
for (Entry<String, Provider> entry : providers.entrySet()) {
final String extensionFqn = entry.getKey();
final Provider extensionProvider = entry.getValue();
try {
// Order of startup is managed by GIN dependency injection framework
extensionProvider.get();
} catch (Throwable e) {
Log.error(ExtensionInitializer.class, "Can't initialize extension: " + extensionFqn, e);
}
}
eventBus.fireEvent(new ExtensionsInitializedEvent());
}
public Map<String, ExtensionDescription> getExtensionDescriptions() {
return extensionRegistry.getExtensionDescriptions();
}
}