/* * Copyright 2002-2015 the original author or authors. * * 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 org.springframework.integration.xmpp.core; import org.jivesoftware.smack.XMPPConnection; import org.springframework.beans.factory.BeanFactory; import org.springframework.integration.handler.AbstractMessageHandler; import org.springframework.util.Assert; /** * @author Oleg Zhurakousky * @author Artem Bilan * @since 2.0 */ public abstract class AbstractXmppConnectionAwareMessageHandler extends AbstractMessageHandler { protected volatile XMPPConnection xmppConnection; protected volatile boolean initialized; public AbstractXmppConnectionAwareMessageHandler() { } public AbstractXmppConnectionAwareMessageHandler(XMPPConnection xmppConnection) { Assert.notNull(xmppConnection, "XMPPConnection must not be null"); this.xmppConnection = xmppConnection; } protected void onInit() throws Exception { BeanFactory beanFactory = this.getBeanFactory(); if (this.xmppConnection == null && beanFactory != null) { this.xmppConnection = beanFactory.getBean(XmppContextUtils.XMPP_CONNECTION_BEAN_NAME, XMPPConnection.class); } Assert.notNull(this.xmppConnection, "Failed to resolve XMPPConnection. " + "XMPPConnection must either be set explicitly via constructor argument " + "or implicitly by registering a bean with the name 'xmppConnection' and of type " + "'org.jivesoftware.smack.XMPPConnection' in the Application Context."); this.initialized = true; } }