net.mograsim.machine/src/net/mograsim/machine/MachineRegistry.java

   1 package net.mograsim.machine;
   2
   3 import java.util.Arrays;
   4 import java.util.Collections;
   5 import java.util.HashSet;
   6 import java.util.Set;
   7
   8 import org.eclipse.core.runtime.CoreException;
   9 import org.eclipse.core.runtime.IConfigurationElement;
  10 import org.eclipse.core.runtime.IExtensionRegistry;
  11 import org.eclipse.core.runtime.ISafeRunnable;
  12 import org.eclipse.core.runtime.SafeRunner;
  13 import org.eclipse.e4.core.di.annotations.Execute;
  14
  15 public class MachineRegistry
  16 {
  17         private static final String MACHINE_EXT_ID = "net.mograsim.machine.machinedefinition";
  18
  19         private static Set<MachineDefinition> installedMachines = new HashSet<>();
  20
  21         @Execute
  22         public void execute(IExtensionRegistry registry)
  23         {
  24                 System.out.println(Arrays.toString(registry.getExtensionPoints("net.mograsim.machine")));
  25                 IConfigurationElement[] config = registry.getConfigurationElementsFor(MACHINE_EXT_ID);
  26                 try
  27                 {
  28                         for (IConfigurationElement e : config)
  29                         {
  30                                 final Object o = e.createExecutableExtension("class");
  31                                 if (o instanceof MachineDefinition)
  32                                 {
  33                                         executeExtension(o);
  34                                 } else
  35                                 {
  36                                         System.err.println("Invalid machine definition: " + o);
  37                                 }
  38                         }
  39                 }
  40                 catch (CoreException ex)
  41                 {
  42                         System.out.println(ex.getMessage());
  43                 }
  44         }
  45
  46         private void executeExtension(final Object o)
  47         {
  48                 ISafeRunnable runnable = new ISafeRunnable()
  49                 {
  50                         @Override
  51                         public void handleException(Throwable e)
  52                         {
  53                                 System.out.println("Exception in client");
  54                         }
  55
  56                         @Override
  57                         public void run() throws Exception
  58                         {
  59                                 System.out.println(((MachineDefinition) o).getAddressBits());
  60                         }
  61                 };
  62                 SafeRunner.run(runnable);
  63         }
  64
  65         public static Set<MachineDefinition> getinstalledMachines()
  66         {
  67                 return Collections.unmodifiableSet(installedMachines);
  68         }
  69 }