org.argeo.init/src/org/argeo/init/Service.java

   1 package org.argeo.init;
   2
   3 import java.lang.System.Logger;
   4 import java.util.HashMap;
   5 import java.util.Map;
   6
   7 import org.argeo.init.osgi.OsgiRuntimeContext;
   8
   9 public class Service implements Runnable, AutoCloseable {
  10         private final static Logger log = System.getLogger(Service.class.getName());
  11
  12         private static RuntimeContext runtimeContext = null;
  13
  14         protected Service(String[] args) {
  15         }
  16
  17         @Override
  18         public void run() {
  19         }
  20
  21         @Override
  22         public void close() throws Exception {
  23         }
  24
  25         public static void main(String[] args) {
  26                 long pid = ProcessHandle.current().pid();
  27                 log.log(Logger.Level.DEBUG, "Starting with PID " + pid);
  28
  29                 // shutdown on exit
  30                 Runtime.getRuntime().addShutdownHook(new Thread(() -> {
  31                         try {
  32                                 if (Service.runtimeContext != null)
  33                                         Service.runtimeContext.close();
  34                         } catch (Exception e) {
  35                                 e.printStackTrace();
  36                                 System.exit(1);
  37                         }
  38                 }, "Runtime shutdown"));
  39
  40                 Map<String, String> config = new HashMap<>();
  41                 try {
  42                         try (OsgiRuntimeContext osgiRuntimeContext = new OsgiRuntimeContext(config)) {
  43                                 osgiRuntimeContext.run();
  44                                 Service.runtimeContext = osgiRuntimeContext;
  45                                 Service.runtimeContext.waitForStop(0);
  46                         } catch (NoClassDefFoundError e) {
  47                                 try (StaticRuntimeContext staticRuntimeContext = new StaticRuntimeContext(config)) {
  48                                         staticRuntimeContext.run();
  49                                         Service.runtimeContext = staticRuntimeContext;
  50                                         Service.runtimeContext.waitForStop(0);
  51                                 }
  52                         }
  53                 } catch (Exception e) {
  54                         e.printStackTrace();
  55                         System.exit(1);
  56                 }
  57         }
  58
  59 }