Java tutorial
/** * Copyright 2016 Pinterest, Inc. * * 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 com.pinterest.deployservice.common; import com.pinterest.deployservice.handler.CommonHandler; import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.concurrent.Callable; public final class NotificationJob implements Callable<Void> { private static final Logger LOG = LoggerFactory.getLogger(NotificationJob.class); private String message; private String subject; private String recipients; private String chatrooms; private CommonHandler commonHandler; public NotificationJob(String message, String subject, String recipients, String chatrooms, CommonHandler commonHandler) { this.message = message; this.subject = subject; this.recipients = recipients; this.chatrooms = chatrooms; this.commonHandler = commonHandler; } public Void call() { try { if (!StringUtils.isEmpty(recipients)) { LOG.info(String.format("%s Send email to %s", subject, recipients)); commonHandler.sendEmailMessage(message, subject, recipients); } if (!StringUtils.isEmpty(chatrooms)) { LOG.info(String.format("Send message to %s", chatrooms)); commonHandler.sendChatMessage(Constants.SYSTEM_OPERATOR, chatrooms, message, "yellow"); } } catch (Throwable t) { LOG.error(String.format("%s: Failed to send notifications.", subject), t); } return null; } }