EndPointMonitor.java

/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2009-2011 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
 *     http://www.opennms.org/
 *     http://www.opennms.com/
 *******************************************************************************/

package org.opennms.netmgt.provision.adapters.link;

import java.util.Map;

import org.opennms.core.utils.BeanUtils;
import org.opennms.netmgt.config.SnmpAgentConfigFactory;
import org.opennms.netmgt.dao.NodeDao;
import org.opennms.netmgt.model.OnmsNode;
import org.opennms.netmgt.model.PollStatus;
import org.opennms.netmgt.poller.MonitoredService;
import org.opennms.netmgt.poller.monitors.AbstractServiceMonitor;
import org.opennms.netmgt.provision.adapters.link.endpoint.EndPointTypeValidator;
import org.opennms.netmgt.provision.adapters.link.endpoint.dao.EndPointConfigurationDao;
import org.opennms.netmgt.snmp.SnmpAgentConfig;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * <p>EndPointMonitor class.</p>
 *
 * @author ranger
 * @version $Id: $
 */
public class EndPointMonitor extends AbstractServiceMonitor {
    
    /** Constant <code>SNMP_AGENTCONFIG_KEY="org.opennms.netmgt.snmp.SnmpAgentConfig"</code> */
    public static final String SNMP_AGENTCONFIG_KEY = "org.opennms.netmgt.snmp.SnmpAgentConfig";
    private EndPointConfigurationDao m_configDao;
    private NodeDao m_nodeDao;
    private SnmpAgentConfigFactory m_agentConfigFactory;

    /**
     * <p>Constructor for EndPointMonitor.</p>
     */
    public EndPointMonitor() {}
    
    /** {@inheritDoc} */
    @Override
    public void initialize(Map<String, Object> parameters) {
        ClassPathXmlApplicationContext appContext = BeanUtils.getFactory("linkAdapterPollerContext", ClassPathXmlApplicationContext.class);
        m_configDao = (EndPointConfigurationDao) appContext.getBean("endPointConfigDao");
        m_nodeDao = (NodeDao) appContext.getBean("nodeDao");
        m_agentConfigFactory = (SnmpAgentConfigFactory) appContext.getBean("snmpPeerFactory", SnmpAgentConfigFactory.class);
               
    }
    
    /** {@inheritDoc} */
    @Override
    public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
        SnmpAgentConfig agentConfig = m_agentConfigFactory.getAgentConfig(svc.getAddress());
        EndPointTypeValidator validator = m_configDao.getValidator();

        EndPointImpl ep = new EndPointImpl(svc.getAddress(), agentConfig);
        OnmsNode node = m_nodeDao.get(svc.getNodeId());
        ep.setSysOid(node.getSysObjectId());

        try {
            validator.validate(ep);
            return PollStatus.available();
        } catch (EndPointStatusException e) {
            return PollStatus.unavailable(e.getMessage());
        }
    } 
}