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
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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.net.hl7;
040
041import org.dcm4che3.conf.core.api.ConfigurableClass;
042import org.dcm4che3.conf.core.api.ConfigurableProperty;
043import org.dcm4che3.conf.core.api.LDAP;
044import org.dcm4che3.hl7.HL7Exception;
045import org.dcm4che3.hl7.HL7Segment;
046import org.dcm4che3.net.Connection;
047import org.dcm4che3.net.DeviceExtension;
048
049import java.net.Socket;
050import java.util.Collection;
051import java.util.Map;
052import java.util.TreeMap;
053
054/**
055 * @author Gunter Zeilinger <gunterze@gmail.com>
056 *
057 */
058@LDAP(noContainerNode = true)
059@ConfigurableClass
060public class HL7DeviceExtension extends DeviceExtension {
061
062    private static final long serialVersionUID = -411853996726542266L;
063
064    static {
065        Connection.registerTCPProtocolHandler(
066                Connection.Protocol.HL7, HL7ProtocolHandler.INSTANCE);
067    }
068
069    @LDAP(noContainerNode = true, distinguishingField = "hl7ApplicationName")
070    @ConfigurableProperty(name="hl7Apps", label = "HL7 Applications")
071    private Map<String, HL7Application> hl7apps = new TreeMap<String, HL7Application>();
072
073    private transient HL7MessageListener hl7MessageListener;
074
075
076    public Map<String, HL7Application> getHl7apps() {
077        return hl7apps;
078    }
079
080    public void setHl7apps(Map<String, HL7Application> hl7apps) {
081        // remove old
082        for (String appName : this.hl7apps.keySet()) removeHL7Application(appName);
083        // add new
084        for (HL7Application hl7Application : hl7apps.values()) addHL7Application(hl7Application);
085    }
086
087    @Override
088    public void verifyNotUsed(Connection conn) {
089        for (HL7Application app : hl7apps.values())
090            if (app.getConnections().contains(conn))
091                throw new IllegalStateException(conn
092                        + " used by HL7 Application: "
093                        + app.getApplicationName());
094    }
095
096    public void addHL7Application(HL7Application hl7App) {
097        hl7App.setDevice(device);
098        hl7apps.put(hl7App.getApplicationName(), hl7App);
099    }
100
101    public HL7Application removeHL7Application(String name) {
102        HL7Application hl7App = hl7apps.remove(name);
103        if (hl7App != null)
104            hl7App.setDevice(null);
105
106        return hl7App;
107    }
108
109    public boolean removeHL7Application(HL7Application hl7App) {
110        return removeHL7Application(hl7App.getApplicationName()) != null;
111    }
112
113    public HL7Application getHL7Application(String name) {
114        HL7Application hl7App = hl7apps.get(name);
115        if (hl7App == null)
116            hl7App = hl7apps.get("*");
117        return hl7App;
118    }
119
120    public boolean containsHL7Application(String name) {
121        return hl7apps.containsKey(name);
122    }
123
124    public Collection<String> getHL7ApplicationNames() {
125        return hl7apps.keySet();
126    }
127
128    public Collection<HL7Application> getHL7Applications() {
129        return hl7apps.values();
130    }
131
132    public final HL7MessageListener getHL7MessageListener() {
133        return hl7MessageListener;
134    }
135
136    public final void setHL7MessageListener(HL7MessageListener listener) {
137        this.hl7MessageListener = listener;
138    }
139
140    byte[] onMessage(HL7Segment msh, byte[] msg, int off, int len, int mshlen,
141            Connection conn, Socket s) throws HL7Exception {
142        HL7Application hl7App = getHL7Application(msh.getReceivingApplicationWithFacility());
143        if (hl7App == null)
144            throw new HL7Exception(HL7Exception.AR, "Receiving Application not recognized");
145        return hl7App.onMessage(conn, s, msh, msg, off, len, mshlen);
146    }
147
148    @Override
149    public void reconfigure(DeviceExtension from)  {
150        reconfigureHL7Applications((HL7DeviceExtension) from);
151    }
152
153    private void reconfigureHL7Applications(HL7DeviceExtension from) {
154        hl7apps.keySet().retainAll(from.hl7apps.keySet());
155        for (HL7Application src : from.hl7apps.values()) {
156            HL7Application hl7app = hl7apps.get(src.getApplicationName());
157            if (hl7app == null)
158                addHL7Application(hl7app = new HL7Application(src.getApplicationName()));
159            hl7app.reconfigure(src);
160        }
161    }
162}