| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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.onosproject.xmpp.core.ctl; |
| |
| import org.onosproject.xmpp.core.XmppDevice; |
| import org.onosproject.xmpp.core.XmppDeviceFactory; |
| import org.onosproject.xmpp.core.XmppDeviceId; |
| import org.onosproject.xmpp.core.XmppDeviceAgent; |
| import org.onosproject.xmpp.core.XmppSession; |
| import org.slf4j.Logger; |
| import org.xmpp.packet.JID; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Generates XMPP device objects. |
| */ |
| public final class DefaultXmppDeviceFactory implements XmppDeviceFactory { |
| |
| private final Logger logger = getLogger(getClass()); |
| |
| private XmppDeviceAgent agent; |
| private final Object agentLock = new Object(); |
| |
| public void init(XmppDeviceAgent manager) { |
| setAgent(manager); |
| } |
| |
| /** |
| * Configures XMPP device manager only if it is not initialized. |
| * |
| * @param agent reference object of XMPP device manager |
| */ |
| private void setAgent(XmppDeviceAgent agent) { |
| synchronized (agentLock) { |
| if (this.agent == null) { |
| this.agent = agent; |
| } else { |
| logger.warn("XMPP device manager has already been set."); |
| } |
| } |
| } |
| |
| public void cleanAgent() { |
| synchronized (agentLock) { |
| if (this.agent != null) { |
| this.agent = null; |
| } else { |
| logger.warn("Manager for XMPP device is not configured"); |
| } |
| } |
| } |
| |
| public XmppDevice getXmppDevice(JID jid, XmppSession session) { |
| XmppDeviceId xmppDeviceId = new XmppDeviceId(jid); |
| |
| return getXmppDeviceInstance(xmppDeviceId, session); |
| } |
| |
| private XmppDevice getXmppDeviceInstance(XmppDeviceId xmppDeviceId, XmppSession session) { |
| XmppDevice device = agent.getDevice(xmppDeviceId); |
| if (device != null) { |
| return device; |
| } else { |
| XmppDevice newDevice = createXmppDeviceInstance(xmppDeviceId, session); |
| return newDevice; |
| } |
| } |
| |
| private XmppDevice createXmppDeviceInstance(XmppDeviceId xmppDeviceId, XmppSession session) { |
| XmppDevice xmppDevice = new DefaultXmppDevice(xmppDeviceId, this.agent, session); |
| return xmppDevice; |
| } |
| |
| |
| |
| } |