--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/observable/UnmodifiableObservableList.d	Tue Apr 14 11:35:29 2009 +0200
@@ -0,0 +1,92 @@
+/*******************************************************************************
+ * Copyright (c) 2006-2008 Cerner Corporation and others.
+ * 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:
+ *     Brad Reynolds - initial API and implementation
+ *     Matthew Hall - bug 208332
+ ******************************************************************************/
+
+module org.eclipse.core.internal.databinding.observable.UnmodifiableObservableList;
+
+import java.lang.all;
+
+import org.eclipse.core.databinding.observable.IStaleListener;
+import org.eclipse.core.databinding.observable.StaleEvent;
+import org.eclipse.core.databinding.observable.list.IListChangeListener;
+import org.eclipse.core.databinding.observable.list.IObservableList;
+import org.eclipse.core.databinding.observable.list.ListChangeEvent;
+import org.eclipse.core.databinding.observable.list.ObservableList;
+
+/**
+ * ObservableList implementation that prevents modification by consumers. Events
+ * in the originating wrapped list are propagated and thrown from this instance
+ * when appropriate.  All mutators throw an UnsupportedOperationException.
+ * 
+ * @since 1.0
+ */
+/*
+ * Implementation makes the assumption that the superclass cast(ObservableList) is
+ * unmodifiable and that all modify methods throw an
+ * UnsupportedOperationException.
+ */
+public class UnmodifiableObservableList : ObservableList {
+    /**
+     * List that is being made unmodifiable.
+     */
+    private IObservableList wrappedList;
+
+    private IListChangeListener listChangeListener = new class() IListChangeListener {
+        public void handleListChange(ListChangeEvent event) {
+            // Fires a Change and then ListChange event.
+            fireListChange(event.diff);
+        }
+    };
+
+    private IStaleListener staleListener = new class() IStaleListener {
+        public void handleStale(StaleEvent event) {
+            fireStale();
+        }
+    };
+
+    /**
+     * @param wrappedList
+     */
+    public this(IObservableList wrappedList) {
+        super(wrappedList.getRealm(), wrappedList, wrappedList.getElementType());
+        this.wrappedList = wrappedList;
+
+        wrappedList.addListChangeListener(listChangeListener);
+
+        wrappedList.addStaleListener(staleListener);
+    }
+
+    /**
+     * Because this instance is immutable staleness cannot be changed.
+     * 
+     * @throws UnsupportedOperationException
+     *             because this instance is unmodifiable.
+     */
+    public void setStale(bool stale) {
+        throw new UnsupportedOperationException();
+    }
+
+    public bool isStale() {
+        getterCalled();
+        return wrappedList is null ? false : wrappedList.isStale();
+    }
+
+    public synchronized void dispose() {
+        if (wrappedList !is null) {
+            wrappedList.removeListChangeListener(listChangeListener);
+            wrappedList.removeStaleListener(staleListener);
+            wrappedList = null;
+        }
+        listChangeListener = null;
+        staleListener = null;
+        super.dispose();
+    }
+}