public void selectionChanged()

in eclipse/eclipse-ui/src/org/apache/sling/ide/eclipse/ui/internal/ServersActionModeFiddlerActionDelegate.java [74:207]
119 lines of code
28 McCabe index (conditional complexity)

	public void selectionChanged(IAction action, ISelection selection) {
        server = null;
        modules = null;
        if (selection!=null && (selection instanceof IStructuredSelection)) {
	        IStructuredSelection iss = (IStructuredSelection) selection;
	        Object first = iss.getFirstElement();
	        if (first instanceof IServer) {
	            server = (IServer)first;
	            modules = null;
	            if (iss.size()>1) {
	                // verify that all selected elements are of type IServer
	                Iterator<?> it = iss.iterator();
	                it.next(); // skip the first, we have that above already
	                while(it.hasNext()) {
	                    Object next = it.next();
	                    if (!(next instanceof IServer)) {
	                        server = null;
	                        modules = null;
	                        break;
	                    }
	                }
	            }
	        } else if (first instanceof IServerModule) {
	            modules = new LinkedList<>();
	            IServerModule module = (IServerModule)first;
	            modules.add(module.getModule());
	            server = module.getServer();
                if (iss.size()>1) {
                    // verify that all selected elements are of type IServerModule
                    // plus add the module[] to the modules list
                    Iterator<?> it = iss.iterator();
                    it.next(); // skip the first, we have that above already
                    while(it.hasNext()) {
                        Object next = it.next();
                        if (!(next instanceof IServerModule)) {
                            server = null;
                            module = null;
                            break;
                        } else {
                            module = (IServerModule) next;
                            modules.add(module.getModule());
                        }
                    }
                }
	        }
	    }
        
        if (server!=null) {
            if (server.getServerState() != IServer.STATE_STARTED) {
                server = null;
                modules = null;
            }
        }
        cleanAction.setEnabled(server!=null);
        publishAction.setEnabled(server!=null);

		action.setEnabled(true);
		final IAction serverRunAction = actionBars.getGlobalActionHandler("org.eclipse.wst.server.run");
		final IAction serverDebugAction = actionBars.getGlobalActionHandler("org.eclipse.wst.server.debug");
		IAction stopRunAction = actionBars.getGlobalActionHandler("org.eclipse.wst.server.stop");
		if (serverRunAction==null || stopRunAction==null || serverDebugAction==null) {
			return;
		}
//		serverRunAction.setHoverImageDescriptor(SharedImages.SLING_LOG);
		serverRunAction.setHoverImageDescriptor(SharedImages.RUN_CONNECT);
		serverDebugAction.setHoverImageDescriptor(SharedImages.DEBUG_CONNECT);
		stopRunAction.setHoverImageDescriptor(SharedImages.DISCONNECT);
		
		findWstPublishAction();
		
		for (ActionContributionItem appendedAction : appendedToolbarActionContributionItems) {
            if (!contributionAdded(appendedAction)) {
                actionBars.getToolBarManager().add(appendedAction);
            }
        }
		if (wstPublishAction!=null) {
		    wstPublishAction.setVisible(false);
		    publishActionContributionItem.setVisible(true);
		} else {
		    // otherwise hide it, as it is an unexpected situation
		    publishActionContributionItem.setVisible(false);
		}
		
		final String runText = "Connect to server in run mode";
		if (runTooltipListener==null) {
			runTooltipListener = new IPropertyChangeListener() {
				
				@Override
				public void propertyChange(PropertyChangeEvent event) {
					if (event.getProperty().equals(IAction.TOOL_TIP_TEXT) ) {
						if (!event.getNewValue().equals(runText)) {
							serverRunAction.setToolTipText(runText);
						}
					}
				}
			};
			serverRunAction.addPropertyChangeListener(runTooltipListener);
		}
		final String debugText = "Connect to server in debug mode";
		if (debugTooltipListener==null) {
			debugTooltipListener = new IPropertyChangeListener() {
				
				@Override
				public void propertyChange(PropertyChangeEvent event) {
					if (event.getProperty().equals(IAction.TOOL_TIP_TEXT)) {
						if (!event.getNewValue().equals(debugText)) {
							serverDebugAction.setToolTipText(debugText);
						}
					}
				}
			};
			serverDebugAction.addPropertyChangeListener(debugTooltipListener);
		}
		final String disconnectText = "Disconnect from server";
		if (disconnectTooltipListener==null) {
			disconnectTooltipListener = new IPropertyChangeListener() {
				
				@Override
				public void propertyChange(PropertyChangeEvent event) {
					if (event.getProperty().equals(IAction.TOOL_TIP_TEXT)) {
						if (!event.getNewValue().equals(disconnectText)) {
							serverRunAction.setToolTipText(disconnectText);
						}
					}
				}
			};
			stopRunAction.addPropertyChangeListener(disconnectTooltipListener);
		}
		
		serverRunAction.setToolTipText(runText);
		serverDebugAction.setToolTipText(debugText);
		stopRunAction.setToolTipText(disconnectText);
		
	}