plugins/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.HashMap;
   6 import java.util.Map;
   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.Platform;
  12
  13 public class MachineRegistry
  14 {
  15         private static final String MACHINE_EXT_ID = "net.mograsim.machine.machine_definition";
  16
  17         private static Map<String, MachineDefinition> installedMachines = new HashMap<>();
  18
  19         public static void reload()
  20         {
  21                 IExtensionRegistry registry = Platform.getExtensionRegistry();
  22                 System.out.println(Arrays.toString(registry.getExtensionPoints("net.mograsim.machine")));
  23                 IConfigurationElement[] config = registry.getConfigurationElementsFor(MACHINE_EXT_ID);
  24                 try
  25                 {
  26                         for (IConfigurationElement e : config)
  27                         {
  28                                 System.out.println(e.getNamespaceIdentifier());
  29                                 System.out.println(Arrays.toString(e.getAttributeNames()));
  30                                 final Object o = e.createExecutableExtension("class");
  31                                 final String id = e.getAttribute("unique_id");
  32                                 if (o instanceof MachineDefinition)
  33                                 {
  34                                         System.out.println("Found " + id);
  35                                         installedMachines.put(id, (MachineDefinition) o);
  36                                 } else
  37                                 {
  38                                         System.err.println("Invalid machine definition: " + o + "(id=" + id + "");
  39                                 }
  40                         }
  41                 }
  42                 catch (CoreException ex)
  43                 {
  44                         System.out.println(ex.getMessage());
  45                 }
  46         }
  47
  48         public static Map<String, MachineDefinition> getinstalledMachines()
  49         {
  50                 return Collections.unmodifiableMap(installedMachines);
  51         }
  52 }