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Viewing changes to com/pixelmed/network/NetworkConfigurationFromMulticastDNS.java

  • Committer: Package Import Robot
  • Author(s): Mathieu Malaterre
  • Date: 2011-10-26 15:58:36 UTC
  • mfrom: (1.2.5)
  • Revision ID: package-import@ubuntu.com-20111026155836-twt2wlpmu9zhk2s1
Tags: 20110928-1
* New upstream
* remove ioexception.patch applied upstream

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com/pixelmed/network/NetworkConfigurationFromMulticastDNS.java
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/* Copyright (c) 2001-2010, David A. Clunie DBA Pixelmed Publishing. All rights reserved. */
 
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/* Copyright (c) 2001-2011, David A. Clunie DBA Pixelmed Publishing. All rights reserved. */
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package com.pixelmed.network;
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import javax.jmdns.ServiceInfo;
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import javax.jmdns.ServiceListener;
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import javax.jmdns.impl.ServiceInfoImpl;
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import java.io.IOException;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Proxy;
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import java.util.Enumeration;
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import java.util.Hashtable;
 
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//import java.util.Hashtable;
 
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import java.util.HashMap;
 
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import java.util.Map;
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/**
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 * <p>This class provides a dynamic registry of DICOM network parameters
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public class NetworkConfigurationFromMulticastDNS extends NetworkConfigurationSource {
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        /***/
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        private static final String identString = "@(#) $Header: /userland/cvs/pixelmed/imgbook/com/pixelmed/network/NetworkConfigurationFromMulticastDNS.java,v 1.9 2010/05/31 11:33:40 dclunie Exp $";
 
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        private static final String identString = "@(#) $Header: /userland/cvs/pixelmed/imgbook/com/pixelmed/network/NetworkConfigurationFromMulticastDNS.java,v 1.10 2011/09/03 11:30:39 dclunie Exp $";
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        private static final String DICOMServiceName = "_dicom._tcp.local.";
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        private static final String ACRNEMAServiceName = "_acr-nema._tcp.local.";
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                // See "http://java.sun.com/products/jfc/tsc/articles/generic-listener2/"
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                public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
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                        if (method.getDeclaringClass() == javax.jmdns.ServiceListener.class)  {
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                                String methodName = method.getName();
 
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                        Class declaringClass = method.getDeclaringClass();
 
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.OurJmDNSServiceListener.invoke(): class = "+declaringClass);
 
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                        String methodName = method.getName();
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.OurJmDNSServiceListener.invoke(): methodName = "+methodName);
 
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                        if (declaringClass == javax.jmdns.ServiceListener.class)  {
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                                if (methodName.equals("serviceAdded"))  {
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                                        serviceAdded((ServiceEvent)(args[0]));
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                                }
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                                else if (methodName.equals("serviceResolved"))  {
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                                        serviceResolved((ServiceEvent)(args[0]));
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                                }
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                                // assert 0;
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                        }
 
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            else {
 
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                                // (000610)
 
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                if (methodName.equals("hashCode"))  {
 
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                    return new Integer(System.identityHashCode(proxy));
 
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                }
 
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                                else if (methodName.equals("equals")) {
 
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                    return (proxy == args[0] ? Boolean.TRUE : Boolean.FALSE);
 
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                }
 
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                                else if (methodName.equals("toString")) {
 
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                    return proxy.getClass().getName() + '@' + Integer.toHexString(proxy.hashCode());
 
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                }
 
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            }
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                        return null; 
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                }
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.OurJmDNSServiceListener: Service added   : Type = "+type);
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                        ServiceInfo info = event.getInfo();
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.OurJmDNSServiceListener: Service added   : Info = "+info);
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                        if (info == null) {
 
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                        // Always request info, even if not null, since info may not be complete (000612)
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.OurJmDNSServiceListener: issuing request for info");
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                                //jmDNS.requestServiceInfo(type,name,10000/*timeout in ms*/);
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                                jmDNS.requestServiceInfo(type,name);
 
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                        //jmDNS.requestServiceInfo(type,name,10000/*timeout in ms*/);
 
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                        //jmDNS.requestServiceInfo(type,name);
 
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                        jmDNS.requestServiceInfo(type,name,true/*persistent*/);         // the persistent flag seems to be the key to actually getting anything back ! (000612)
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.OurJmDNSServiceListener: back from issuing request for info");
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                                //will come back with info later as serviceResolved() event
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                                // unless there really is no info, which is of course a problem :(
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                        }
 
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                        // will come back with info later as serviceResolved() event
 
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                        // unless there really is no info, which is of course a problem :(
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                }
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                public void serviceRemoved(ServiceEvent event) {
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        public void activateDiscovery(int refreshInterval) {
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.activateDNSSelfDiscovery():");
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                try {
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                        Class classToUse = Thread.currentThread().getContextClassLoader().loadClass("javax.jmdns.impl.JmDNSImpl");
 
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                        Class classToUse = Thread.currentThread().getContextClassLoader().loadClass("javax.jmdns.JmDNS");
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                        Class [] argTypes  = {};
 
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                        java.lang.reflect.Method methodToUse = classToUse.getDeclaredMethod("create",argTypes);         // (000611)
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                        Object[] argValues = {};
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                        jmDNS = (JmDNS)(classToUse.getConstructor(argTypes).newInstance(argValues));
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                        jmDNS = (JmDNS)(methodToUse.invoke(null/*since static*/,argValues));
 
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.activateDNSSelfDiscovery(): created jmDNS = "+jmDNS);
 
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                        //ServiceListener listener = new OurJmDNSServiceListener();
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                        InvocationHandler listenerInvocationHandler = new OurJmDNSServiceListener();
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                        ServiceListener listener = (ServiceListener) Proxy.newProxyInstance(Thread.currentThread().getContextClassLoader(),
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.deActivateDiscovery():");
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                if (jmDNS != null) {
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                        jmDNS.unregisterAllServices();
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      try {
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        jmDNS.close();          // needed, since otherwise application will not exit when main thread finished
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      } catch ( IOException e ) {
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        e.printStackTrace(System.err);
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        jmDNS = null;
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      }
 
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                        try {
 
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                                jmDNS.close();                  // needed, since otherwise application will not exit when main thread finished
 
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                        } catch (Exception e) {         // (000609)
 
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                                e.printStackTrace(System.err);
 
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                                jmDNS = null;
 
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                        }
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                }
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        }
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        public void registerDicomService(String calledApplicationEntityTitle,int port,String primaryDeviceType) {
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.registerDicomService():");
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                if (jmDNS != null) {
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                        Hashtable properties = new Hashtable();
 
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                        Map<String,String> properties = new HashMap<String,String>();   // (000611)
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                        if (calledApplicationEntityTitle != null && calledApplicationEntityTitle.length() > 0) {
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                                properties.put(AETTXTRecordPropertyName,calledApplicationEntityTitle);
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                        }
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                        if (primaryDeviceType != null && primaryDeviceType.length() > 0) {
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                                properties.put(PrimaryDeviceTypeTXTRecordPropertyName,primaryDeviceType);
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                        }
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                        //ServiceInfo info = new ServiceInfoImpl(DICOMServiceName,calledApplicationEntityTitle,port,0/*weight*/,0/*priority*/,properties);
 
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                        //ServiceInfo info = ServiceInfo.create(DICOMServiceName,calledApplicationEntityTitle,port,0/*weight*/,0/*priority*/,properties);
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                        try {
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                                Class classToUse = Thread.currentThread().getContextClassLoader().loadClass("javax.jmdns.impl.ServiceInfoImpl");
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                                Class [] argTypes  = {String.class,String.class,java.lang.Integer.TYPE,java.lang.Integer.TYPE,java.lang.Integer.TYPE,Hashtable.class};
 
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                                Class classToUse = Thread.currentThread().getContextClassLoader().loadClass("javax.jmdns.ServiceInfo");
 
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                                Class [] argTypes  = {String.class,String.class,java.lang.Integer.TYPE,java.lang.Integer.TYPE,java.lang.Integer.TYPE,Map.class};
 
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                                // (000611)
 
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                                java.lang.reflect.Method methodToUse = classToUse.getDeclaredMethod("create",argTypes);
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                                Object[] argValues = {DICOMServiceName,calledApplicationEntityTitle,port,0/*weight*/,0/*priority*/,properties};
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                                ServiceInfo info =  (ServiceInfo)(classToUse.getConstructor(argTypes).newInstance(argValues));
 
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                                ServiceInfo info =  (ServiceInfo)(methodToUse.invoke(null/*since static*/,argValues));
 
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.registerDicomService(): created ServiceInfo = "+info);
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                                jmDNS.registerService(info);
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                        }
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                        catch (Exception e) {   // may be ClassNotFoundException,NoSuchMethodException,InstantiationException,IOException
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        public void registerWADOService(String instanceName,int port,String path) {
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//System.err.println("NetworkConfigurationFromMulticastDNS.registerWADOService():");
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                if (jmDNS != null) {
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                        Hashtable properties = new Hashtable();
 
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                        Map<String,String> properties = new HashMap<String,String>();   // (000611)
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                        if (path != null && path.length() > 0) {
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                                if (!path.startsWith("/")) {
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                                        path="/"+path;
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                                }
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                                properties.put(WADOPathTXTRecordPropertyName,path);
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                        }
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                        //ServiceInfo info = new ServiceInfoImpl(WADOServiceName,instanceName,port,0/*weight*/,0/*priority*/,properties);
 
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                        //ServiceInfo info = ServiceInfo.create(WADOServiceName,instanceName,port,0/*weight*/,0/*priority*/,properties);
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                        try {
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                                Class classToUse = Thread.currentThread().getContextClassLoader().loadClass("javax.jmdns.impl.ServiceInfoImpl");
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                                Class [] argTypes  = {String.class,String.class,java.lang.Integer.TYPE,java.lang.Integer.TYPE,java.lang.Integer.TYPE,Hashtable.class};
 
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                                Class classToUse = Thread.currentThread().getContextClassLoader().loadClass("javax.jmdns.ServiceInfo");
 
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                                Class [] argTypes  = {String.class,String.class,java.lang.Integer.TYPE,java.lang.Integer.TYPE,java.lang.Integer.TYPE,Map.class};
 
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                                // (000611)
 
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                                java.lang.reflect.Method methodToUse = classToUse.getDeclaredMethod("create",argTypes);
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                                Object[] argValues = {WADOServiceName,instanceName,port,0/*weight*/,0/*priority*/,properties};
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                                ServiceInfo info =  (ServiceInfo)(classToUse.getConstructor(argTypes).newInstance(argValues));
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.registerWADOService(): info = "+info);
 
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                                ServiceInfo info =  (ServiceInfo)(methodToUse.invoke(null/*since static*/,argValues));
 
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if (debugLevel > 1) System.err.println("NetworkConfigurationFromMulticastDNS.registerWADOService(): created ServiceInfo = "+info);
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                                jmDNS.registerService(info);
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                        }
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                        catch (Exception e) {   // may be ClassNotFoundException,NoSuchMethodException,InstantiationException,IOException