001/* ***** BEGIN LICENSE BLOCK *****
002 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
003 *
004 * The contents of this file are subject to the Mozilla Public License Version
005 * 1.1 (the "License"); you may not use this file except in compliance with
006 * the License. You may obtain a copy of the License at
007 * http://www.mozilla.org/MPL/
008 *
009 * Software distributed under the License is distributed on an "AS IS" basis,
010 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
011 * for the specific language governing rights and limitations under the
012 * License.
013 *
014 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
015 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
016 *
017 * The Initial Developer of the Original Code is
018 * Agfa Healthcare.
019 * Portions created by the Initial Developer are Copyright (C) 2012
020 * the Initial Developer. All Rights Reserved.
021 *
022 * Contributor(s):
023 * See @authors listed below
024 *
025 * Alternatively, the contents of this file may be used under the terms of
026 * either the GNU General Public License Version 2 or later (the "GPL"), or
027 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
028 * in which case the provisions of the GPL or the LGPL are applicable instead
029 * of those above. If you wish to allow use of your version of this file only
030 * under the terms of either the GPL or the LGPL, and not to allow others to
031 * use your version of this file under the terms of the MPL, indicate your
032 * decision by deleting the provisions above and replace them with the notice
033 * and other provisions required by the GPL or the LGPL. If you do not delete
034 * the provisions above, a recipient may use your version of this file under
035 * the terms of any one of the MPL, the GPL or the LGPL.
036 *
037 * ***** END LICENSE BLOCK ***** */
038
039package org.dcm4che3.sample.servlet;
040
041import java.lang.management.ManagementFactory;
042
043import javax.management.ObjectInstance;
044import javax.management.ObjectName;
045import javax.servlet.ServletConfig;
046import javax.servlet.ServletException;
047import javax.servlet.http.HttpServlet;
048
049import org.dcm4che3.conf.api.internal.ExtendedDicomConfiguration;
050
051/**
052 * @author Gunter Zeilinger <gunterze@gmail.com>
053 *
054 */
055@SuppressWarnings("serial")
056public class EchoSCPServlet extends HttpServlet {
057
058    private ObjectInstance mbean;
059
060    private EchoSCP echoSCP;
061
062    private ExtendedDicomConfiguration dicomConfig;
063
064    @Override
065    public void init(ServletConfig config) throws ServletException {
066        super.init(config);
067        try {
068            //TODO: How will this work with the new config?
069            dicomConfig = (ExtendedDicomConfiguration) Class.forName(
070                    config.getInitParameter("dicomConfigurationClass"), false,
071                    Thread.currentThread().getContextClassLoader()).newInstance();
072            echoSCP = new EchoSCP(dicomConfig,
073                    config.getInitParameter("deviceName"));
074            echoSCP.start();
075            mbean = ManagementFactory.getPlatformMBeanServer()
076                    .registerMBean(echoSCP, 
077                            new ObjectName(config.getInitParameter("jmxName")));
078        } catch (Exception e) {
079            destroy();
080            throw new ServletException(e);
081        }
082    }
083
084    @Override
085    public void destroy() {
086        if (mbean != null)
087            try {
088                ManagementFactory.getPlatformMBeanServer()
089                    .unregisterMBean(mbean.getObjectName());
090            } catch (Exception e) {
091                e.printStackTrace();
092            }
093        if (echoSCP != null)
094            echoSCP.stop();
095        if (dicomConfig != null)
096            dicomConfig.close();
097    }
098
099}