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diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/text/javadoc/LegacyJavadocCompletionProposalComputer.java b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/text/javadoc/LegacyJavadocCompletionProposalComputer.java
new file mode 100644
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+++ b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/text/javadoc/LegacyJavadocCompletionProposalComputer.java
@@ -0,0 +1,121 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2011 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.jdt.internal.ui.text.javadoc;
+
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtensionRegistry;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.Platform;
+
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.jface.text.contentassist.IContextInformation;
+
+import org.eclipse.jdt.ui.JavaUI;
+import org.eclipse.jdt.ui.text.java.ContentAssistInvocationContext;
+import org.eclipse.jdt.ui.text.java.IJavaCompletionProposalComputer;
+import org.eclipse.jdt.ui.text.java.IJavadocCompletionProcessor;
+import org.eclipse.jdt.ui.text.java.JavaContentAssistInvocationContext;
+
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+
+/**
+ * Java doc completion processor using contributed IJavaDocCompletionProcessor's
+ * to evaluate proposals.
+ *
+ * @since 3.2
+ */
+public class LegacyJavadocCompletionProposalComputer implements IJavaCompletionProposalComputer {
+
+	private static final String PROCESSOR_CONTRIBUTION_ID= "javadocCompletionProcessor"; //$NON-NLS-1$
+
+	private IJavadocCompletionProcessor[] fSubProcessors;
+
+	public String fErrorMessage;
+
+	public LegacyJavadocCompletionProposalComputer() {
+		fSubProcessors= null;
+	}
+
+
+	public IJavadocCompletionProcessor[] getContributedProcessors() {
+		if (fSubProcessors == null) {
+			try {
+				IExtensionRegistry registry= Platform.getExtensionRegistry();
+				IConfigurationElement[] elements=	registry.getConfigurationElementsFor(JavaUI.ID_PLUGIN, PROCESSOR_CONTRIBUTION_ID);
+				IJavadocCompletionProcessor[] result= new IJavadocCompletionProcessor[elements.length];
+				for (int i= 0; i < elements.length; i++) {
+					result[i]= (IJavadocCompletionProcessor) elements[i].createExecutableExtension("class"); //$NON-NLS-1$
+				}
+				fSubProcessors= result;
+			} catch (CoreException e) {
+				JavaPlugin.log(e);
+				fSubProcessors= new IJavadocCompletionProcessor[0];
+			}
+		}
+		return fSubProcessors;
+	}
+
+	/*
+	 * @see org.eclipse.jface.text.contentassist.ICompletionProposalComputer#computeContextInformation(org.eclipse.jface.text.contentassist.TextContentAssistInvocationContext, org.eclipse.core.runtime.IProgressMonitor)
+	 */
+	public List<IContextInformation> computeContextInformation(ContentAssistInvocationContext context, IProgressMonitor monitor) {
+		if (context instanceof JavaContentAssistInvocationContext) {
+			JavaContentAssistInvocationContext javaContext= (JavaContentAssistInvocationContext) context;
+
+			ArrayList<IContextInformation> result= javaContext.generated_4287750919896565599(this);
+			return result;
+		}
+		return Collections.emptyList();
+	}
+
+
+	/*
+	 * @see org.eclipse.jface.text.contentassist.ICompletionProposalComputer#computeCompletionProposals(org.eclipse.jface.text.contentassist.TextContentAssistInvocationContext, org.eclipse.core.runtime.IProgressMonitor)
+	 */
+	public List<ICompletionProposal> computeCompletionProposals(ContentAssistInvocationContext context, IProgressMonitor monitor) {
+		if (context instanceof JavadocContentAssistInvocationContext) {
+			JavadocContentAssistInvocationContext javaContext= (JavadocContentAssistInvocationContext) context;
+
+			ArrayList<ICompletionProposal> result= javaContext.generated_8004475765966742722(this);
+			return result;
+		}
+		return Collections.emptyList();
+	}
+
+
+	/*
+	 * @see org.eclipse.jface.text.contentassist.ICompletionProposalComputer#getErrorMessage()
+	 */
+	public String getErrorMessage() {
+		return fErrorMessage;
+	}
+
+
+	/*
+	 * @see org.eclipse.jdt.ui.text.java.IJavaCompletionProposalComputer#sessionStarted()
+	 */
+	public void sessionStarted() {
+	}
+
+
+	/*
+	 * @see org.eclipse.jdt.ui.text.java.IJavaCompletionProposalComputer#sessionEnded()
+	 */
+	public void sessionEnded() {
+		fErrorMessage= null;
+	}
+}