Restructured Mograsim project nature and introduced project context

[Mograsim.git] / plugins / net.mograsim.machine / src / net / mograsim / machine / MachineRegistry.java

diff --git a/plugins/net.mograsim.machine/src/net/mograsim/machine/MachineRegistry.java b/plugins/net.mograsim.machine/src/net/mograsim/machine/MachineRegistry.java
index a270646..28e7921 100644 (file)
--- a/plugins/net.mograsim.machine/src/net/mograsim/machine/MachineRegistry.java
+++ b/plugins/net.mograsim.machine/src/net/mograsim/machine/MachineRegistry.java
@@ -4,20 +4,23 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
-
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtension;
+import org.eclipse.core.runtime.IExtensionPoint;
 import org.eclipse.core.runtime.IExtensionRegistry;
+import org.eclipse.core.runtime.IRegistryEventListener;
 import org.eclipse.core.runtime.Platform;
 
 public class MachineRegistry
 {
        private static final String MACHINE_EXT_ID = "net.mograsim.machine.machine_definition";
 
-       private static Map<String, MachineDefinition> installedMachines = new HashMap<>();
+       private static final Map<String, MachineDefinition> installedMachines = new HashMap<>();
 
-       public static void reload()
+       private static void reload()
        {
+               installedMachines.clear();
                IExtensionRegistry registry = Platform.getExtensionRegistry();
                System.out.println(Arrays.toString(registry.getExtensionPoints("net.mograsim.machine")));
                IConfigurationElement[] config = registry.getConfigurationElementsFor(MACHINE_EXT_ID);
@@ -45,8 +48,45 @@ public class MachineRegistry
                }
        }
 
-       public static Map<String, MachineDefinition> getinstalledMachines()
+       public static void initialize()
+       {
+               reload();
+               Platform.getExtensionRegistry().addListener(new IRegistryEventListener()
+               {
+
+                       @Override
+                       public void removed(IExtensionPoint[] extensionPoints)
+                       {
+                               // nothing?
+                       }
+
+                       @Override
+                       public void removed(IExtension[] extensions)
+                       {
+                               reload();
+                       }
+
+                       @Override
+                       public void added(IExtensionPoint[] extensionPoints)
+                       {
+                               // nothing?
+                       }
+
+                       @Override
+                       public void added(IExtension[] extensions)
+                       {
+                               reload();
+                       }
+               }, MACHINE_EXT_ID);
+       }
+
+       public static Map<String, MachineDefinition> getInstalledMachines()
        {
                return Collections.unmodifiableMap(installedMachines);
        }
+
+       public static MachineDefinition getMachine(String id)
+       {
+               return installedMachines.get(id);
+       }
 }