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CHE-5338. Clean up app state preference when workspace is removed
Signed-off-by: Roman Nikitenko <[email protected]>
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92 changes: 92 additions & 0 deletions
92
...c/main/java/org/eclipse/che/plugin/docker/machine/cleaner/AppStatesPreferenceCleaner.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,92 @@ | ||
| /* | ||
| * Copyright (c) 2012-2017 Red Hat, Inc. | ||
| * 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: | ||
| * Red Hat, Inc. - initial API and implementation | ||
| */ | ||
| package org.eclipse.che.plugin.docker.machine.cleaner; | ||
|
|
||
| import com.google.gson.JsonElement; | ||
| import com.google.gson.JsonObject; | ||
| import com.google.gson.JsonParser; | ||
| import com.google.inject.Inject; | ||
| import com.google.inject.Singleton; | ||
| import java.util.Map; | ||
| import javax.annotation.PostConstruct; | ||
| import org.eclipse.che.api.core.NotFoundException; | ||
| import org.eclipse.che.api.core.ServerException; | ||
| import org.eclipse.che.api.core.model.user.User; | ||
| import org.eclipse.che.api.core.model.workspace.Workspace; | ||
| import org.eclipse.che.api.core.notification.EventService; | ||
| import org.eclipse.che.api.core.notification.EventSubscriber; | ||
| import org.eclipse.che.api.user.server.PreferenceManager; | ||
| import org.eclipse.che.api.user.server.UserManager; | ||
| import org.eclipse.che.api.workspace.server.event.WorkspaceRemovedEvent; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** Handler for clean up app state preference when workspace is removed. */ | ||
| @Singleton | ||
| public class AppStatesPreferenceCleaner implements EventSubscriber<WorkspaceRemovedEvent> { | ||
| private static final Logger LOG = LoggerFactory.getLogger(AppStatesPreferenceCleaner.class); | ||
|
|
||
| /** The name of the property for the mappings in user preferences. */ | ||
| public static final String APP_STATES_PREFERENCE_PROPERTY = "IdeAppStates"; | ||
|
|
||
| private JsonParser jsonParser; | ||
| private EventService eventService; | ||
| private UserManager userManager; | ||
| private PreferenceManager preferenceManager; | ||
|
|
||
| @Inject | ||
| public AppStatesPreferenceCleaner( | ||
| JsonParser jsonParser, | ||
| EventService eventService, | ||
| UserManager userManager, | ||
| PreferenceManager preferenceManager) { | ||
| this.jsonParser = jsonParser; | ||
| this.eventService = eventService; | ||
| this.userManager = userManager; | ||
| this.preferenceManager = preferenceManager; | ||
| } | ||
|
|
||
| @PostConstruct | ||
| public void subscribe() { | ||
| eventService.subscribe(this); | ||
| } | ||
|
|
||
| @Override | ||
| public void onEvent(WorkspaceRemovedEvent workspaceRemovedEvent) { | ||
| try { | ||
| Workspace workspace = workspaceRemovedEvent.getWorkspace(); | ||
| User user = userManager.getByName(workspace.getNamespace()); | ||
| if (user == null) { | ||
| return; | ||
| } | ||
|
|
||
| String userId = user.getId(); | ||
| Map<String, String> preferences = preferenceManager.find(userId); | ||
| String appStates = preferences.get(APP_STATES_PREFERENCE_PROPERTY); | ||
| if (appStates == null) { | ||
| return; | ||
| } | ||
|
|
||
| JsonObject workspaces = jsonParser.parse(appStates).getAsJsonObject(); | ||
| JsonElement removedWorkspacePreferences = workspaces.remove(workspace.getId()); | ||
| if (removedWorkspacePreferences != null) { | ||
| preferences.put(APP_STATES_PREFERENCE_PROPERTY, workspaces.toString()); | ||
| preferenceManager.save(userId, preferences); | ||
| } | ||
| } catch (NotFoundException | ServerException e) { | ||
| Workspace workspace = workspaceRemovedEvent.getWorkspace(); | ||
| LOG.error( | ||
| "Unable to clean up preferences for owner of the workspace {} with namespace {}", | ||
| workspace.getId(), | ||
| workspace.getNamespace()); | ||
| } | ||
| } | ||
| } |