### Eclipse Workspace Patch 1.0
#P org.eclipse.ui.workbench
Index: Eclipse UI/org/eclipse/ui/internal/SelectionAdapterFactory.java
===================================================================
RCS file: Eclipse UI/org/eclipse/ui/internal/SelectionAdapterFactory.java
diff -N Eclipse UI/org/eclipse/ui/internal/SelectionAdapterFactory.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ Eclipse UI/org/eclipse/ui/internal/SelectionAdapterFactory.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,43 @@
+/*******************************************************************************
+ * Copyright (c) 2007 IBM 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.ui.internal;
+
+import java.util.Collection;
+
+import org.eclipse.core.runtime.IAdapterFactory;
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+/**
+ * Adapts IStructuredSelection instances to Collection instances.
+ * 
+ * @since 3.3
+ */
+public class SelectionAdapterFactory implements IAdapterFactory {
+
+	/**
+	 * The classes we can adapt to.
+	 */
+	private static final Class[] CLASSES = new Class[] {Collection.class};
+
+	public Object getAdapter(Object adaptableObject, Class adapterType) {
+		if (adaptableObject instanceof IStructuredSelection) {
+			IStructuredSelection selection = (IStructuredSelection) adaptableObject;
+			if (Collection.class.equals(adapterType)) {
+				return selection.toList();
+			}
+		}
+		return null;
+	}
+
+	public Class[] getAdapterList() {
+		return CLASSES;
+	}
+}
#P org.eclipse.ui
Index: plugin.xml
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.ui/plugin.xml,v
retrieving revision 1.380
diff -u -r1.380 plugin.xml
--- plugin.xml	13 Mar 2007 16:52:44 -0000	1.380
+++ plugin.xml	14 Mar 2007 19:51:38 -0000
@@ -1557,4 +1557,14 @@
          </enabledWhen>
       </handler>
    </extension>
+   <extension
+         point="org.eclipse.core.runtime.adapters">
+      <factory
+            adaptableType="org.eclipse.jface.viewers.IStructuredSelection"
+            class="org.eclipse.ui.internal.SelectionAdapterFactory">
+         <adapter
+               type="java.util.Collection">
+         </adapter>
+      </factory>
+   </extension>
 </plugin>
#P org.eclipse.ui.tests
Index: Eclipse UI Tests/org/eclipse/ui/tests/adaptable/AdaptableTestSuite.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/adaptable/AdaptableTestSuite.java,v
retrieving revision 1.9
diff -u -r1.9 AdaptableTestSuite.java
--- Eclipse UI Tests/org/eclipse/ui/tests/adaptable/AdaptableTestSuite.java	15 Jun 2005 18:41:27 -0000	1.9
+++ Eclipse UI Tests/org/eclipse/ui/tests/adaptable/AdaptableTestSuite.java	14 Mar 2007 19:51:39 -0000
@@ -34,6 +34,7 @@
         addTest(new TestSuite(AdaptableDecoratorTestCase.class));
         addTest(new TestSuite(MarkerImageProviderTest.class));
         addTest(new TestSuite(WorkingSetTestCase.class));
+        addTest(new TestSuite(SelectionAdapterTest.class));
     }
 
 }
Index: Eclipse UI Tests/org/eclipse/ui/tests/adaptable/SelectionAdapterTest.java
===================================================================
RCS file: Eclipse UI Tests/org/eclipse/ui/tests/adaptable/SelectionAdapterTest.java
diff -N Eclipse UI Tests/org/eclipse/ui/tests/adaptable/SelectionAdapterTest.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ Eclipse UI Tests/org/eclipse/ui/tests/adaptable/SelectionAdapterTest.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,35 @@
+/*******************************************************************************
+ * Copyright (c) 2007 IBM 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:
+ *     IBM Corporation - initial API and implementation
+ ******************************************************************************/
+
+package org.eclipse.ui.tests.adaptable;
+
+import java.util.Collection;
+
+import junit.framework.TestCase;
+
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.jface.viewers.StructuredSelection;
+
+/**
+ * @since 3.3
+ *
+ */
+public class SelectionAdapterTest extends TestCase {
+ 
+	public void testSelectionAdapter() {
+		String contents = "foo";
+		StructuredSelection selection = new StructuredSelection(contents);		
+		Collection adapted = (Collection) Platform.getAdapterManager().getAdapter(selection, Collection.class);
+		assertNotNull(adapted);
+		assertEquals(1, adapted.size());
+		assertTrue(adapted.contains(contents));
+	}
+}