| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.camel.component.box.api; |
| |
| import com.box.sdk.BoxAPIConnection; |
| import com.box.sdk.BoxAPIException; |
| import com.box.sdk.EventListener; |
| import com.box.sdk.EventStream; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Box Events Manager |
| * |
| * <p> |
| * Provides operations to manage Box events. |
| * |
| * |
| * |
| */ |
| public class BoxEventsManager { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(BoxEventsManager.class); |
| |
| /** |
| * Box connection to authenticated user account. |
| */ |
| private BoxAPIConnection boxConnection; |
| |
| private EventStream eventStream; |
| |
| /** |
| * Create events manager to manage the events of Box connection's |
| * authenticated user. |
| * |
| * @param boxConnection |
| * - Box connection to authenticated user account. |
| */ |
| public BoxEventsManager(BoxAPIConnection boxConnection) { |
| this.boxConnection = boxConnection; |
| } |
| |
| /** |
| * Create an event stream with optional starting initial position and add |
| * listener that will be notified when an event is received. |
| * |
| * @param startingPosition |
| * - the starting position of the event stream. |
| * @param listener |
| * - the listener to add to event stream. |
| */ |
| public void listen(EventListener listener, Long startingPosition) { |
| try { |
| LOG.debug("Listening for events with listener=" + listener + " at startingPosition=" + startingPosition); |
| |
| if (listener == null) { |
| LOG.debug("Parameter 'listener' is null: will not listen for events"); |
| return; |
| } |
| |
| if (startingPosition != null) { |
| eventStream = new EventStream(boxConnection, startingPosition); |
| } else { |
| eventStream = new EventStream(boxConnection); |
| } |
| |
| eventStream.addListener(listener); |
| |
| eventStream.start(); |
| } catch (BoxAPIException e) { |
| throw new RuntimeException( |
| String.format("Box API returned the error code %d\n\n%s", e.getResponseCode(), e.getResponse()), e); |
| } |
| } |
| |
| public void stopListening() { |
| if (eventStream != null && eventStream.isStarted()) { |
| eventStream.stop(); |
| } |
| eventStream = null; |
| } |
| } |