package jalview.ws.jws2; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.net.ConnectException; import java.util.HashSet; import java.util.Vector; import javax.swing.JMenu; import javax.swing.JMenuItem; import org.apache.log4j.Level; import jalview.bin.Cache; import jalview.datamodel.AlignmentView; import jalview.gui.AlignFrame; import jalview.ws.WSMenuEntryProviderI; import compbio.data.msa.MsaWS; import compbio.ws.client.Jws2Base; import compbio.ws.client.Jws2Base.Services; /** * discoverer for jws2 services. Follows the lightweight service discoverer * pattern (archetyped by EnfinEnvision2OneWay) * * @author JimP * */ public class Jws2Discoverer implements Runnable, WSMenuEntryProviderI { private java.beans.PropertyChangeSupport changeSupport = new java.beans.PropertyChangeSupport(this); /** * change listeners are notified of "services" property changes * * @param listener * to be added that consumes new services Hashtable object. */ public void addPropertyChangeListener( java.beans.PropertyChangeListener listener) { changeSupport.addPropertyChangeListener(listener); } /** * * * @param listener * to be removed */ public void removePropertyChangeListener( java.beans.PropertyChangeListener listener) { changeSupport.removePropertyChangeListener(listener); } boolean running=false; @Override public void run() { if (running) { return; } running=true; // Cache.initLogger(); // Cache.log.setLevel(Level.DEBUG); // TODO: Document and PACK JWS2 String jwsservers = Cache.getDefault("JWS2HOSTURLS", "http://webservices.compbio.dundee.ac.uk:8084/jws2"); try { if (Jws2Base.validURL(jwsservers)) { // look for services for (Services srv : Jws2Base.Services.values()) { MsaWS service = null; try { service = Jws2Base.connect(jwsservers, srv); } catch (Exception e) { System.err.println("Jws2 Discoverer: Problem with "+jwsservers+" with service "+srv+":\n"+e.getMessage()); if (!(e instanceof javax.xml.ws.WebServiceException)) { e.printStackTrace(); } } ; if (service != null) { addService(jwsservers, srv, service); } } } else { Cache.log.info("Ignoring invalid Jws2 service url " + jwsservers); } } catch (Exception e) { e.printStackTrace(); Cache.log.warn("Exception when discovering Jws2 services.", e); } catch (Error e) { Cache.log.error("Exception when discovering Jws2 services.", e); } running=false; changeSupport.firePropertyChange("services", new Vector(), services); } /** * record this service endpoint so we can use it * * @param jwsservers * @param srv * @param service2 */ private void addService(String jwsservers, Services srv, MsaWS service2) { if (services==null) { services = new Vector(); } System.out.println("Discovered service: " + jwsservers + " " + srv.toString()); services.add(new Jws2Instance(jwsservers, "Align with " + srv.toString(), service2)); } public class Jws2Instance { String hosturl; String serviceType; MsaWS service; public Jws2Instance(String hosturl, String serviceType, MsaWS service) { super(); this.hosturl = hosturl; this.serviceType = serviceType; this.service = service; } }; /** * holds list of services. */ Vector services; @Override public void attachWSMenuEntry(JMenu wsmenu, final AlignFrame alignFrame) { if (running || services==null || services.size() == 0) { return; } /** * eventually, JWS2 services will appear under the same align/etc submenus. * for moment we keep them separate. */ JMenu jws2 = new JMenu("JWS2 Alignment"); MsaWSClient msacl = new MsaWSClient(); for (final Jws2Instance service : services) { msacl.attachWSMenuEntry(jws2, service, alignFrame); /*JMenuItem sitem = new JMenuItem(service.serviceType); sitem.setToolTipText("Hosted at " + service.hosturl); sitem.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { AlignmentView msa = alignFrame.gatherSequencesForAlignment(); MsaWSClient client = new MsaWSClient(service, "JWS2 Alignment of " + alignFrame.getTitle(), msa, false, true, alignFrame.getViewport().getAlignment().getDataset(), alignFrame); } });*/ } if (services.size()>0) { wsmenu.add(jws2); } } public static void main(String[] args) { Thread runner = new Thread(getDiscoverer()); runner.start(); while (runner.isAlive()) { try { Thread.sleep(50); } catch (InterruptedException e) { } ; } } private static Jws2Discoverer discoverer; public static Jws2Discoverer getDiscoverer() { if (discoverer==null) { discoverer = new Jws2Discoverer(); } return discoverer; } public boolean hasServices() { // TODO Auto-generated method stub return !running && services!=null && services.size()>0; } public boolean isRunning() { return running; } }