1 files changed, 80 insertions, 0 deletions
diff --git a/plugins/org.eclipse.net4j/src/org/eclipse/internal/net4j/util/container/PluginElementProcessorList.java b/plugins/org.eclipse.net4j/src/org/eclipse/internal/net4j/util/container/PluginElementProcessorList.java
new file mode 100644
index 0000000000..4feabbbf97
--- /dev/null
+++ b/plugins/org.eclipse.net4j/src/org/eclipse/internal/net4j/util/container/PluginElementProcessorList.java
@@ -0,0 +1,80 @@
+/***************************************************************************
+ * Copyright (c) 2004, 2005, 2006 Eike Stepper, Germany.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *    Eike Stepper - initial API and implementation
+ **************************************************************************/
+package org.eclipse.internal.net4j.util.container;
+
+import org.eclipse.net4j.util.container.IElementProcessor;
+
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtensionDelta;
+import org.eclipse.core.runtime.IExtensionRegistry;
+import org.eclipse.core.runtime.IRegistryChangeEvent;
+import org.eclipse.core.runtime.IRegistryChangeListener;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.internal.net4j.bundle.Net4j;
+import org.eclipse.internal.net4j.util.lifecycle.Lifecycle;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author Eike Stepper
+ */
+public class PluginElementProcessorList extends Lifecycle
+{
+  private static final String ATTR_CLASS = "class";
+
+  public static final String NAMESPACE = Net4j.BUNDLE_ID;
+
+  public static final String EXT_POINT = "postProcessors";
+
+  private List<IElementProcessor> processors = new ArrayList();
+
+  private IRegistryChangeListener extensionRegistryListener = new IRegistryChangeListener()
+  {
+    public void registryChanged(IRegistryChangeEvent event)
+    {
+      IExtensionDelta[] deltas = event.getExtensionDeltas(NAMESPACE, EXT_POINT);
+      for (IExtensionDelta delta : deltas)
+      {
+        // TODO Handle ExtensionDelta
+        Net4j.LOG.warn("ExtensionDelta not handled: " + delta);
+      }
+    }
+  };
+
+  public PluginElementProcessorList()
+  {
+  }
+
+  @Override
+  protected void doActivate() throws Exception
+  {
+    super.doActivate();
+    IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
+    IConfigurationElement[] elements = extensionRegistry.getConfigurationElementsFor(NAMESPACE, EXT_POINT);
+    for (IConfigurationElement element : elements)
+    {
+      IElementProcessor processor = (IElementProcessor)element.createExecutableExtension(ATTR_CLASS);
+      processors.add(processor);
+    }
+
+    extensionRegistry.addRegistryChangeListener(extensionRegistryListener, NAMESPACE);
+  }
+
+  @Override
+  protected void doDeactivate() throws Exception
+  {
+    IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
+    extensionRegistry.removeRegistryChangeListener(extensionRegistryListener);
+    processors.clear();
+    super.doDeactivate();
+  }
+}