bundles/org.simantics.scl.reflection/src/org/simantics/scl/reflection/internal/Activator.java

   1 package org.simantics.scl.reflection.internal;
   2
   3 import java.util.concurrent.ForkJoinPool;
   4
   5 import org.eclipse.core.runtime.ILog;
   6 import org.eclipse.core.runtime.Platform;
   7 import org.eclipse.core.runtime.Status;
   8 import org.osgi.framework.Bundle;
   9 import org.osgi.framework.BundleActivator;
  10 import org.osgi.framework.BundleContext;
  11 import org.simantics.scl.reflection.internal.registry.BindingRegistry;
  12 import org.slf4j.Logger;
  13 import org.slf4j.LoggerFactory;
  14
  15 public class Activator implements BundleActivator {
  16
  17     private static final Logger LOGGER = LoggerFactory.getLogger(Activator.class);
  18     private BundleContext context;
  19
  20     private static Activator instance;
  21
  22     @Override
  23     public void start(BundleContext context) throws Exception {
  24         this.context = context;
  25         instance = this;
  26
  27         primeBindingRegistry();
  28     }
  29
  30     private static void primeBindingRegistry() {
  31         LOGGER.info("Priming BindingRegistry");
  32         ForkJoinPool.commonPool().submit(() -> {
  33             try {
  34                 // this forces static initialzation of the registry in advance
  35                 BindingRegistry.primeBindingRegistry();
  36             } catch (Exception e) {
  37                 LOGGER.error("Could not prime binding registry", e);
  38             }
  39             LOGGER.info("Priming done");
  40         });
  41     }
  42
  43     @Override
  44     public void stop(BundleContext context) throws Exception {
  45         instance = null;
  46         this.context = null;
  47     }
  48
  49     public BundleContext getContext() {
  50         return context;
  51     }
  52
  53     public static Activator getInstance() {
  54         return instance;
  55     }
  56
  57     public static void logError(String description, Exception e) {
  58         LOGGER.error(description);
  59         if(e != null)
  60             e.printStackTrace();
  61         Bundle bundle = getInstance().getContext().getBundle();
  62         ILog log = Platform.getLog(bundle);
  63         log.log(new Status(Status.ERROR, bundle.getSymbolicName(), description, e));
  64     }
  65
  66     public static void logError(String description) {
  67         logError(description, null);
  68     }
  69
  70 }