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 /** Configure and launch an Argeo service. */
  10 public class Service implements Runnable, AutoCloseable {
  11         private final static Logger log = System.getLogger(Service.class.getName());
  12
  13         private static RuntimeContext runtimeContext = null;
  14
  15         protected Service(String[] args) {
  16         }
  17
  18         @Override
  19         public void run() {
  20         }
  21
  22         @Override
  23         public void close() throws Exception {
  24         }
  25
  26         public static void main(String[] args) {
  27                 long pid = ProcessHandle.current().pid();
  28                 log.log(Logger.Level.DEBUG, "Argeo Init starting with PID " + pid);
  29
  30                 // shutdown on exit
  31                 Runtime.getRuntime().addShutdownHook(new Thread(() -> {
  32                         try {
  33                                 if (Service.runtimeContext != null) {
  34 //                                      System.out.println("Argeo Init stopping with PID " + pid);
  35                                         Service.runtimeContext.close();
  36                                         Service.runtimeContext.waitForStop(0);
  37                                 }
  38                         } catch (Exception e) {
  39                                 e.printStackTrace();
  40                                 System.exit(1);
  41                         }
  42                 }, "Runtime shutdown"));
  43
  44                 Map<String, String> config = new HashMap<>();
  45                 config.put("osgi.framework.useSystemProperties", "true");
  46 //              for (Object key : System.getProperties().keySet()) {
  47 //                      config.put(key.toString(), System.getProperty(key.toString()));
  48 //                      log.log(Logger.Level.DEBUG, key + "=" + System.getProperty(key.toString()));
  49 //              }
  50                 try {
  51                         try {
  52                                 OsgiRuntimeContext osgiRuntimeContext = new OsgiRuntimeContext((Map<String, String>) config);
  53                                 osgiRuntimeContext.run();
  54                                 Service.runtimeContext = osgiRuntimeContext;
  55                                 Service.runtimeContext.waitForStop(0);
  56                         } catch (NoClassDefFoundError e) {
  57                                 StaticRuntimeContext staticRuntimeContext = new StaticRuntimeContext((Map<String, String>) config);
  58                                 staticRuntimeContext.run();
  59                                 Service.runtimeContext = staticRuntimeContext;
  60                                 Service.runtimeContext.waitForStop(0);
  61                         }
  62                 } catch (Exception e) {
  63                         e.printStackTrace();
  64                         System.exit(1);
  65                 }
  66                 log.log(Logger.Level.DEBUG, "Argeo Init stopped with PID " + pid);
  67         }
  68
  69
  70         public static RuntimeContext getRuntimeContext() {
  71                 return runtimeContext;
  72         }
  73 }