2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.ws.jws2;
23 import jalview.bin.Cache;
24 import jalview.gui.AlignFrame;
25 import jalview.gui.Desktop;
26 import jalview.gui.JvSwingUtils;
27 import jalview.util.MessageManager;
28 import jalview.util.QuickSort;
29 import jalview.ws.WSMenuEntryProviderI;
30 import jalview.ws.jws2.jabaws2.Jws2Instance;
31 import jalview.ws.params.ParamDatastoreI;
33 import java.awt.Color;
34 import java.awt.event.ActionEvent;
35 import java.awt.event.ActionListener;
36 import java.beans.PropertyChangeEvent;
37 import java.beans.PropertyChangeListener;
38 import java.beans.PropertyChangeSupport;
39 import java.net.MalformedURLException;
41 import java.util.ArrayList;
42 import java.util.Arrays;
43 import java.util.HashMap;
44 import java.util.HashSet;
45 import java.util.Hashtable;
46 import java.util.List;
49 import java.util.StringTokenizer;
50 import java.util.Vector;
52 import javax.swing.JMenu;
53 import javax.swing.JMenuItem;
55 import compbio.ws.client.Services;
58 * discoverer for jws2 services. Follows the lightweight service discoverer
59 * pattern (archetyped by EnfinEnvision2OneWay)
64 public class Jws2Discoverer implements Runnable, WSMenuEntryProviderI
66 public static final String COMPBIO_JABAWS = "http://www.compbio.dundee.ac.uk/jabaws";
69 * the .jalview_properties entry for JWS2 URLS
71 final static String JWS2HOSTURLS = "JWS2HOSTURLS";
76 private static Jws2Discoverer discoverer;
79 * Override for testing only
81 private static List<String> testUrls = null;
83 // preferred url has precedence over others
84 private String preferredUrl;
86 private PropertyChangeSupport changeSupport = new PropertyChangeSupport(
89 Vector<String> invalidServiceUrls = null, urlsWithoutServices = null,
90 validServiceUrls = null;
92 boolean running = false, aborted = false;
94 Thread oldthread = null;
97 * holds list of services.
99 protected Vector<Jws2Instance> services;
102 * Private constructor enforces use of singleton via getDiscoverer()
104 private Jws2Discoverer()
109 * change listeners are notified of "services" property changes
112 * to be added that consumes new services Hashtable object.
114 public void addPropertyChangeListener(
115 java.beans.PropertyChangeListener listener)
117 changeSupport.addPropertyChangeListener(listener);
126 public void removePropertyChangeListener(
127 java.beans.PropertyChangeListener listener)
129 changeSupport.removePropertyChangeListener(listener);
133 * @return the aborted
135 public boolean isAborted()
144 public void setAborted(boolean aborted)
146 this.aborted = aborted;
152 if (running && oldthread != null && oldthread.isAlive())
163 .debug("Waiting around for old discovery thread to finish.");
164 // wait around until old discoverer dies
166 } catch (Exception e)
170 Cache.log.debug("Old discovery thread has finished.");
174 // first set up exclusion list if needed
175 final Set<String> ignoredServices = new HashSet<String>();
176 for (String ignored : Cache.getDefault(
177 "IGNORED_JABAWS_SERVICETYPES", "")
180 ignoredServices.add(ignored);
183 changeSupport.firePropertyChange("services", services, new Vector());
184 oldthread = Thread.currentThread();
187 Class foo = getClass().getClassLoader().loadClass(
188 "compbio.ws.client.Jws2Client");
189 } catch (ClassNotFoundException e)
192 .println("Not enabling JABA Webservices : client jar is not available."
193 + "\nPlease check that your webstart JNLP file is up to date!");
197 // reinitialise records of good and bad service URLs
198 if (services != null)
200 services.removeAllElements();
202 if (urlsWithoutServices != null)
204 urlsWithoutServices.removeAllElements();
206 if (invalidServiceUrls != null)
208 invalidServiceUrls.removeAllElements();
210 if (validServiceUrls != null)
212 validServiceUrls.removeAllElements();
214 ArrayList<String> svctypes = new ArrayList<String>();
216 List<JabaWsServerQuery> qrys = new ArrayList<JabaWsServerQuery>();
217 for (final String jwsserver : getServiceUrls())
219 JabaWsServerQuery squery = new JabaWsServerQuery(this, jwsserver);
220 if (svctypes.size() == 0)
222 // TODO: remove this ugly hack to get Canonical JABA service ordering
223 // for all possible services
224 for (Services sv : squery.JABAWS2SERVERS)
226 if (!ignoredServices.contains(sv.toString()))
228 svctypes.add(sv.toString());
234 new Thread(squery).start();
236 boolean finished = true;
243 } catch (Exception e)
247 for (JabaWsServerQuery squery : qrys)
249 if (squery.isRunning())
256 Cache.log.debug("Aborting " + qrys.size()
257 + " JABAWS discovery threads.");
258 for (JabaWsServerQuery squery : qrys)
260 squery.setQuit(true);
263 } while (!aborted && !finished);
266 // resort services according to order found in jabaws service list
267 // also ensure servics for each host are ordered in same way.
269 if (services != null && services.size() > 0)
271 Jws2Instance[] svcs = new Jws2Instance[services.size()];
272 int[] spos = new int[services.size()];
274 List<String> svcUrls = getServiceUrls();
275 for (Jws2Instance svc : services)
278 spos[ipos++] = 1000 * svcUrls.indexOf(svc.getHost()) + 1
279 + svctypes.indexOf(svc.serviceType);
281 QuickSort.sortInt(spos, svcs);
282 services = new Vector<Jws2Instance>();
283 for (Jws2Instance svc : svcs)
285 if (!ignoredServices.contains(svc.serviceType))
294 changeSupport.firePropertyChange("services", new Vector(), services);
298 * record this service endpoint so we can use it
304 synchronized void addService(String jwsservers, Jws2Instance service)
306 if (services == null)
308 services = new Vector<Jws2Instance>();
310 System.out.println("Discovered service: " + jwsservers + " "
311 + service.toString());
312 // Jws2Instance service = new Jws2Instance(jwsservers, srv.toString(),
315 services.add(service);
316 // retrieve the presets and parameter set and cache now
317 ParamDatastoreI pds = service.getParamStore();
322 service.hasParameters();
323 if (validServiceUrls == null)
325 validServiceUrls = new Vector();
327 validServiceUrls.add(jwsservers);
331 * attach all available web services to the appropriate submenu in the given
334 public void attachWSMenuEntry(JMenu wsmenu, final AlignFrame alignFrame)
336 // dynamically regenerate service list.
337 populateWSMenuEntry(wsmenu, alignFrame, null);
340 private boolean isRecalculable(String action)
342 return (action != null && action.equalsIgnoreCase("conservation"));
345 private void populateWSMenuEntry(JMenu jws2al,
346 final AlignFrame alignFrame, String typeFilter)
348 if (running || services == null || services.size() == 0)
352 boolean byhost = Cache.getDefault("WSMENU_BYHOST", false), bytype = Cache
353 .getDefault("WSMENU_BYTYPE", false);
355 * eventually, JWS2 services will appear under the same align/etc submenus.
356 * for moment we keep them separate.
359 List<Jws2Instance> enumerableServices = new ArrayList<Jws2Instance>();
360 // jws2al.removeAll();
361 Map<String, Jws2Instance> preferredHosts = new HashMap<String, Jws2Instance>();
362 Map<String, List<Jws2Instance>> alternates = new HashMap<String, List<Jws2Instance>>();
363 for (Jws2Instance service : services.toArray(new Jws2Instance[0]))
365 if (!isRecalculable(service.action))
367 // add 'one shot' services to be displayed using the classic menu
369 enumerableServices.add(service);
373 if (!preferredHosts.containsKey(service.serviceType))
375 Jws2Instance preferredInstance = getPreferredServiceFor(
376 alignFrame, service.serviceType);
377 if (preferredInstance != null)
379 preferredHosts.put(service.serviceType, preferredInstance);
383 preferredHosts.put(service.serviceType, service);
386 List<Jws2Instance> ph = alternates.get(service.serviceType);
387 if (preferredHosts.get(service.serviceType) != service)
391 ph = new ArrayList<Jws2Instance>();
394 alternates.put(service.serviceType, ph);
400 // create GUI element for classic services
401 addEnumeratedServices(jws2al, alignFrame, enumerableServices);
402 // and the instantaneous services
403 for (final Jws2Instance service : preferredHosts.values())
405 atpoint = JvSwingUtils.findOrCreateMenu(jws2al, service.action);
407 if (atpoint.getItemCount() > 1)
409 // previous service of this type already present
410 atpoint.addSeparator();
412 atpoint.add(hitm = new JMenuItem(service.getHost()));
413 hitm.setForeground(Color.blue);
414 hitm.addActionListener(new ActionListener()
418 public void actionPerformed(ActionEvent e)
420 Desktop.showUrl(service.getHost());
423 hitm.setToolTipText(JvSwingUtils
424 .wrapTooltip(false, MessageManager.getString("label.open_jabaws_web_page ")));
426 service.attachWSMenuEntry(atpoint, alignFrame);
427 if (alternates.containsKey(service.serviceType))
429 atpoint.add(hitm = new JMenu(MessageManager.getString("label.switch_server")));
430 hitm.setToolTipText(JvSwingUtils
431 .wrapTooltip(false, MessageManager.getString("label.choose_jabaws_server")));
432 for (final Jws2Instance sv : alternates.get(service.serviceType))
435 hitm.add(itm = new JMenuItem(sv.getHost()));
436 itm.setForeground(Color.blue);
437 itm.addActionListener(new ActionListener()
441 public void actionPerformed(ActionEvent arg0)
443 new Thread(new Runnable()
447 setPreferredServiceFor(alignFrame, sv.serviceType,
449 changeSupport.firePropertyChange("services",
450 new Vector(), services);
458 * hitm.addActionListener(new ActionListener() {
460 * @Override public void actionPerformed(ActionEvent arg0) { new
461 * Thread(new Runnable() {
463 * @Override public void run() { new SetPreferredServer(alignFrame,
464 * service.serviceType, service.action); } }).start(); } });
471 * add services using the Java 2.5/2.6/2.7 system which optionally creates
472 * submenus to index by host and service program type
474 private void addEnumeratedServices(final JMenu jws2al,
475 final AlignFrame alignFrame, List<Jws2Instance> enumerableServices)
477 boolean byhost = Cache.getDefault("WSMENU_BYHOST", false), bytype = Cache
478 .getDefault("WSMENU_BYTYPE", false);
480 * eventually, JWS2 services will appear under the same align/etc submenus.
481 * for moment we keep them separate.
484 MsaWSClient msacl = new MsaWSClient();
485 List<String> hostLabels = new ArrayList<String>();
486 Hashtable<String, String> lasthostFor = new Hashtable<String, String>();
487 Hashtable<String, ArrayList<Jws2Instance>> hosts = new Hashtable<String, ArrayList<Jws2Instance>>();
488 ArrayList<String> hostlist = new ArrayList<String>();
489 for (Jws2Instance service : enumerableServices)
491 ArrayList<Jws2Instance> hostservices = hosts.get(service.getHost());
492 if (hostservices == null)
494 hosts.put(service.getHost(),
495 hostservices = new ArrayList<Jws2Instance>());
496 hostlist.add(service.getHost());
498 hostservices.add(service);
500 // now add hosts in order of the given array
501 for (String host : hostlist)
503 Jws2Instance orderedsvcs[] = hosts.get(host).toArray(
504 new Jws2Instance[1]);
505 String sortbytype[] = new String[orderedsvcs.length];
506 for (int i = 0; i < sortbytype.length; i++)
508 sortbytype[i] = orderedsvcs[i].serviceType;
510 QuickSort.sort(sortbytype, orderedsvcs);
511 for (final Jws2Instance service : orderedsvcs)
513 atpoint = JvSwingUtils.findOrCreateMenu(jws2al, service.action);
514 String type = service.serviceType;
517 atpoint = JvSwingUtils.findOrCreateMenu(atpoint, host);
518 if (atpoint.getToolTipText() == null)
520 atpoint.setToolTipText(MessageManager.formatMessage("label.services_at", new String[]{host}));
525 atpoint = JvSwingUtils.findOrCreateMenu(atpoint, type);
526 if (atpoint.getToolTipText() == null)
528 atpoint.setToolTipText(service.getActionText());
532 && !hostLabels.contains(host + service.serviceType
533 + service.getActionText()))
534 // !hostLabels.contains(host + (bytype ?
535 // service.serviceType+service.getActionText() : "")))
537 // add a marker indicating where this service is hosted
538 // relies on services from the same host being listed in a
542 if (hostLabels.contains(host))
544 atpoint.addSeparator();
548 hostLabels.add(host);
550 if (lasthostFor.get(service.action) == null
551 || !lasthostFor.get(service.action).equals(host))
553 atpoint.add(hitm = new JMenuItem(host));
554 hitm.setForeground(Color.blue);
555 hitm.addActionListener(new ActionListener()
559 public void actionPerformed(ActionEvent e)
561 Desktop.showUrl(service.getHost());
564 hitm.setToolTipText(JvSwingUtils
565 .wrapTooltip(true, MessageManager.getString("label.open_jabaws_web_page")));
566 lasthostFor.put(service.action, host);
568 hostLabels.add(host + service.serviceType
569 + service.getActionText());
572 service.attachWSMenuEntry(atpoint, alignFrame);
577 public static void main(String[] args)
581 testUrls = new ArrayList<String>();
582 for (String url : args)
588 Thread runner = getDiscoverer().startDiscoverer(
589 new PropertyChangeListener()
592 public void propertyChange(PropertyChangeEvent evt)
594 if (getDiscoverer().services != null)
596 System.out.println("Changesupport: There are now "
597 + getDiscoverer().services.size() + " services");
599 for (Jws2Instance instance : getDiscoverer().services)
601 System.out.println("Service " + i++ + " "
602 + instance.getClass() + "@"
603 + instance.getHost() + ": "
604 + instance.getActionText());
610 while (runner.isAlive())
615 } catch (InterruptedException e)
623 } catch (InterruptedException x)
629 * Returns the singleton instance of this class.
633 public static Jws2Discoverer getDiscoverer()
635 if (discoverer == null)
637 discoverer = new Jws2Discoverer();
642 public boolean hasServices()
644 return !running && services != null && services.size() > 0;
647 public boolean isRunning()
652 public void setServiceUrls(List<String> wsUrls)
654 if (wsUrls != null && !wsUrls.isEmpty())
656 StringBuilder urls = new StringBuilder(128);
658 for (String url : wsUrls)
664 Cache.setProperty(JWS2HOSTURLS, urls.toString());
668 Cache.removeProperty(JWS2HOSTURLS);
673 * Returns web service URLs, in the order in which they should be tried (or an
678 public List<String> getServiceUrls()
680 if (testUrls != null)
682 // return test urls, if there are any, instead of touching cache
685 List<String> urls = new ArrayList<String>();
687 if (this.preferredUrl != null)
689 urls.add(preferredUrl);
692 String surls = Cache.getDefault(JWS2HOSTURLS, COMPBIO_JABAWS);
695 StringTokenizer st = new StringTokenizer(surls, ",");
696 while (st.hasMoreElements())
701 url = st.nextToken();
703 if (!urls.contains(url))
709 Cache.log.warn("Ignoring duplicate url " + url + " in "
710 + JWS2HOSTURLS + " list");
712 } catch (MalformedURLException ex)
715 .warn("Problem whilst trying to make a URL from '"
716 + ((url != null) ? url : "<null>") + "'");
718 .warn("This was probably due to a malformed comma separated list"
721 + " entry of $(HOME)/.jalview_properties)");
722 Cache.log.debug("Exception was ", ex);
725 } catch (Exception ex)
728 "Error parsing comma separated list of urls in "
729 + JWS2HOSTURLS + " preference.", ex);
734 public Vector<Jws2Instance> getServices()
736 return (services == null) ? new Vector<Jws2Instance>()
737 : new Vector<Jws2Instance>(services);
741 * test the given URL with the JabaWS test code
746 public static boolean testServiceUrl(URL foo)
750 compbio.ws.client.WSTester.main(new String[]
751 { "-h=" + foo.toString() });
752 } catch (Exception e)
756 } catch (OutOfMemoryError e)
770 * Start a fresh discovery thread and notify the given object when we're
771 * finished. Any known existing threads will be killed before this one is
774 * @param changeSupport2
777 public Thread startDiscoverer(PropertyChangeListener changeSupport2)
783 addPropertyChangeListener(changeSupport2);
784 Thread thr = new Thread(this);
790 * @return the invalidServiceUrls
792 public Vector<String> getInvalidServiceUrls()
794 return invalidServiceUrls;
798 * @return the urlsWithoutServices
800 public Vector<String> getUrlsWithoutServices()
802 return urlsWithoutServices;
806 * add an 'empty' JABA server to the list. Only servers not already in the
807 * 'bad URL' list will be added to this list.
811 public synchronized void addUrlwithnoservices(String jwsservers)
813 if (urlsWithoutServices == null)
815 urlsWithoutServices = new Vector<String>();
818 if ((invalidServiceUrls == null || !invalidServiceUrls
819 .contains(jwsservers))
820 && !urlsWithoutServices.contains(jwsservers))
822 urlsWithoutServices.add(jwsservers);
827 * add a bad URL to the list
831 public synchronized void addInvalidServiceUrl(String jwsservers)
833 if (invalidServiceUrls == null)
835 invalidServiceUrls = new Vector<String>();
837 if (!invalidServiceUrls.contains(jwsservers))
839 invalidServiceUrls.add(jwsservers);
845 * @return a human readable report of any problems with the service URLs used
848 public String getErrorMessages()
850 if (!isRunning() && !isAborted())
852 StringBuffer ermsg = new StringBuffer();
853 boolean list = false;
854 if (getInvalidServiceUrls() != null
855 && getInvalidServiceUrls().size() > 0)
857 ermsg.append("URLs that could not be contacted: \n");
858 for (String svcurl : getInvalidServiceUrls())
865 ermsg.append(svcurl);
867 ermsg.append("\n\n");
870 if (getUrlsWithoutServices() != null
871 && getUrlsWithoutServices().size() > 0)
873 ermsg.append("URLs without any JABA Services : \n");
874 for (String svcurl : getUrlsWithoutServices())
881 ermsg.append(svcurl);
885 if (ermsg.length() > 1)
887 return ermsg.toString();
894 public int getServerStatusFor(String url)
896 if (validServiceUrls != null && validServiceUrls.contains(url))
900 if (urlsWithoutServices != null && urlsWithoutServices.contains(url))
904 if (invalidServiceUrls != null && invalidServiceUrls.contains(url))
912 * pick the user's preferred service based on a set of URLs (jaba server
913 * locations) and service URIs (specifying version and service interface
917 * @return null or best match for given uri/ls.
919 public Jws2Instance getPreferredServiceFor(String[] serviceURLs)
921 HashSet<String> urls = new HashSet<String>();
922 urls.addAll(Arrays.asList(serviceURLs));
923 Jws2Instance match = null;
924 if (services != null)
926 for (Jws2Instance svc : services)
928 if (urls.contains(svc.getServiceTypeURI()))
932 // for moment we always pick service from server ordered first in
933 // user's preferences
936 if (urls.contains(svc.getUri()))
938 // stop and return - we've matched type URI and URI for service
948 Map<String, Map<String, String>> preferredServiceMap = new HashMap<String, Map<String, String>>();;
951 * get current preferred service of the given type, or global default
954 * null or a specific alignFrame
956 * Jws2Instance.serviceType for service
957 * @return null if no service of this type is available, the preferred service
958 * for the serviceType and af if specified and if defined.
960 public Jws2Instance getPreferredServiceFor(AlignFrame af,
963 String serviceurl = null;
964 synchronized (preferredServiceMap)
966 String afid = (af == null) ? "" : af.getViewport().getSequenceSetId();
967 Map<String, String> prefmap = preferredServiceMap.get(afid);
968 if (afid.length() > 0 && prefmap == null)
970 // recover global setting, if any
971 prefmap = preferredServiceMap.get("");
975 serviceurl = prefmap.get(serviceType);
979 Jws2Instance response = null;
980 for (Jws2Instance svc : services)
982 if (svc.serviceType.equals(serviceType))
984 if (serviceurl == null || serviceurl.equals(svc.getHost()))
994 public void setPreferredServiceFor(AlignFrame af, String serviceType,
995 String serviceAction, Jws2Instance selectedServer)
997 String afid = (af == null) ? "" : af.getViewport().getSequenceSetId();
998 if (preferredServiceMap == null)
1000 preferredServiceMap = new HashMap<String, Map<String, String>>();
1002 Map<String, String> prefmap = preferredServiceMap.get(afid);
1003 if (prefmap == null)
1005 prefmap = new HashMap<String, String>();
1006 preferredServiceMap.put(afid, prefmap);
1008 prefmap.put(serviceType, selectedServer.getHost());
1009 prefmap.put(serviceAction, selectedServer.getHost());
1012 public void setPreferredServiceFor(String serviceType,
1013 String serviceAction, Jws2Instance selectedServer)
1015 setPreferredServiceFor(null, serviceType, serviceAction, selectedServer);
1019 * Set a URL to try before any others. For use with command-line parameter to
1020 * configure a local Jabaws installation without the need to add to property
1024 * @throws MalformedURLException
1026 public void setPreferredUrl(String value) throws MalformedURLException
1028 if (value != null && value.trim().length() > 0)
1031 preferredUrl = value;