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 import java.io.PrintWriter;
  14 import java.io.StringWriter;
  15
  16 import org.eclipse.ui.PlatformUI;
  17 import org.eclipse.ui.plugin.AbstractUIPlugin;
  18 import org.osgi.framework.BundleContext;
  19 import org.osgi.framework.ServiceReference;
  20 import org.simantics.UnhandledExceptionService;
  21 import org.simantics.platform.ui.SimanticsConsole;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 public class Activator extends AbstractUIPlugin {
  26
  27     private BundleContext context;
  28
  29     public Activator() {
  30     }
  31
  32     @Override
  33     public void start(BundleContext context) throws Exception {
  34         super.start(context);
  35         this.context = context;
  36
  37         if (PlatformUI.isWorkbenchRunning())
  38             PlatformUI.getWorkbench().getDisplay().asyncExec(this::initConsole);
  39     }
  40
  41     @Override
  42     public void stop(BundleContext context) throws Exception {
  43         context = null;
  44         super.stop(context);
  45     }
  46
  47     private void initConsole() {
  48         if (PlatformUI.getWorkbench().getDisplay().isDisposed())
  49              return;
  50
  51         SimanticsConsole console = SimanticsConsole.findConsole();
  52         if (console != null) {
  53             ServiceReference<?> ref = context.getServiceReference(UnhandledExceptionService.class.getName());
  54             if (ref != null) {
  55                 UnhandledExceptionService service = (UnhandledExceptionService) context.getService(ref);
  56                 service.registerHandler(t -> {
  57                     StringWriter sw = new StringWriter();
  58                     PrintWriter pw = new PrintWriter(sw);
  59                     t.printStackTrace(pw);
  60                     console.write(sw.toString());
  61                 });
  62             }
  63             ConsoleAppender ca = new ConsoleAppender(console);
  64             ch.qos.logback.classic.Logger logbackLogger =
  65                     (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
  66             logbackLogger.addAppender(ca);
  67             ca.start();
  68         }
  69     }
  70
  71 }