bundles/org.simantics.platform.ui/src/org/simantics/platform/ui/internal/Activator.java

   1 /*******************************************************************************
   2  * Copyright (c) 2019 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.platform.ui.internal;
  13
  14 import java.io.PrintWriter;
  15 import java.io.StringWriter;
  16
  17 import org.eclipse.ui.PlatformUI;
  18 import org.eclipse.ui.plugin.AbstractUIPlugin;
  19 import org.osgi.framework.BundleContext;
  20 import org.osgi.framework.ServiceReference;
  21 import org.simantics.UnhandledExceptionService;
  22 import org.simantics.platform.ui.SimanticsConsole;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 public class Activator extends AbstractUIPlugin {
  27
  28     private BundleContext context;
  29
  30     public Activator() {
  31     }
  32
  33     @Override
  34     public void start(BundleContext context) throws Exception {
  35         super.start(context);
  36         this.context = context;
  37
  38         if (PlatformUI.isWorkbenchRunning())
  39             PlatformUI.getWorkbench().getDisplay().asyncExec(this::initConsole);
  40     }
  41
  42     @Override
  43     public void stop(BundleContext context) throws Exception {
  44         this.context = null;
  45         super.stop(context);
  46     }
  47
  48     private void initConsole() {
  49         if (PlatformUI.getWorkbench().getDisplay().isDisposed())
  50              return;
  51
  52         SimanticsConsole console = SimanticsConsole.findConsole();
  53         if (console != null) {
  54             ServiceReference<?> ref = context.getServiceReference(UnhandledExceptionService.class.getName());
  55             if (ref != null) {
  56                 UnhandledExceptionService service = (UnhandledExceptionService) context.getService(ref);
  57                 service.registerHandler(t -> {
  58                     StringWriter sw = new StringWriter();
  59                     PrintWriter pw = new PrintWriter(sw);
  60                     t.printStackTrace(pw);
  61                     console.write(sw.toString());
  62                 });
  63             }
  64             ConsoleAppender ca = new ConsoleAppender(console);
  65             ch.qos.logback.classic.Logger logbackLogger =
  66                     (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
  67             logbackLogger.addAppender(ca);
  68             ca.start();
  69         }
  70     }
  71
  72 }