FinishPollerConfigServlet.java

/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2006-2011 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.web.admin.pollerConfig;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.opennms.netmgt.model.events.EventBuilder;
import org.opennms.netmgt.model.events.EventProxy;
import org.opennms.web.api.Util;

/**
 * A servlet that handles signaling that the poller config has been updated
 *
 * @author <A HREF="mailto:jason@opennms.org">Jason Johns </A>
 * @author <A HREF="http://www.opennms.org/">OpenNMS </A>
 * @author <A HREF="mailto:jason@opennms.org">Jason Johns </A>
 * @author <A HREF="http://www.opennms.org/">OpenNMS </A>
 * @version $Id: $
 * @since 1.8.1
 */
public class FinishPollerConfigServlet extends HttpServlet {
    /**
     * 
     */
    private static final long serialVersionUID = -7110008476977279641L;

    /**
     * <p>init</p>
     *
     * @throws javax.servlet.ServletException if any.
     */
    public void init() throws ServletException {
    }

    /** {@inheritDoc} */
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        EventBuilder bldr = new EventBuilder("uei.opennms.org/internal/reloadPollerConfig", "webUI");

        try {
            EventProxy eventProxy = Util.createEventProxy();
            if (eventProxy != null) {
                eventProxy.send(bldr.getEvent());
            } else {
                throw new ServletException("Event proxy object is null, unable to send event " + bldr.getEvent().getUei());
            }
        } catch (Throwable e) {
            throw new ServletException("Could not send event " + bldr.getEvent().getUei(), e);
        }

        // forward the request for proper display
        response.sendRedirect("../index.jsp");
    }
}