Bug 392946: [quick fix] for unused type parameterv20130110-193033

9 files changed, 216 insertions, 17 deletions

diff --git a/org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/LocalCorrectionsQuickFixTest.java b/org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/LocalCorrectionsQuickFixTest.java
index cd37bef..1bf7ba3 100644
--- a/org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/LocalCorrectionsQuickFixTest.java
+++ b/org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/LocalCorrectionsQuickFixTest.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2012 IBM Corporation and others.
+ * Copyright (c) 2000, 2013 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
@@ -62,6 +62,7 @@ public class LocalCorrectionsQuickFixTest extends QuickFixTest {
 	}
 
 
+	@Override
 	protected void setUp() throws Exception {
 		Hashtable options= TestOptions.getDefaultOptions();
 		options.put(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR, JavaCore.SPACE);
@@ -86,6 +87,7 @@ public class LocalCorrectionsQuickFixTest extends QuickFixTest {
 	}
 
 
+	@Override
 	protected void tearDown() throws Exception {
 		JavaProjectHelper.clear(fJProject1, ProjectTestSetup.getDefaultClasspath());
 	}
@@ -9227,4 +9229,135 @@ public class LocalCorrectionsQuickFixTest extends QuickFixTest {
 		assertEquals(0, astRoot.getProblems().length); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=38751#c7
 	}
 	
+	public void testUnusedTypeParameter1() throws Exception {
+		Hashtable hashtable= JavaCore.getOptions();
+		hashtable.put(JavaCore.COMPILER_PB_UNUSED_TYPE_PARAMETER, JavaCore.ERROR);
+		JavaCore.setOptions(hashtable);
+
+		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
+		StringBuffer buf= new StringBuffer();
+		buf.append("package test1;\n");
+		buf.append("public interface E<T extends Exception> {\n");
+		buf.append("    public void foo(Object str);\n");
+		buf.append("}\n");
+		ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
+
+		CompilationUnit astRoot= getASTRoot(cu);
+		ArrayList proposals= collectCorrections(cu, astRoot);
+		assertNumberOfProposals(proposals, 2);
+		assertCorrectLabels(proposals);
+
+		String[] expected= new String[2];
+
+		buf= new StringBuffer();
+		buf.append("package test1;\n");
+		buf.append("public interface E {\n");
+		buf.append("    public void foo(Object str);\n");
+		buf.append("}\n");
+		expected[0]= buf.toString();
+
+		buf= new StringBuffer();
+		buf.append("package test1;\n");
+		buf.append("/**\n");
+		buf.append(" * @param <T>  \n");
+		buf.append(" */\n");
+		buf.append("public interface E<T extends Exception> {\n");
+		buf.append("    public void foo(Object str);\n");
+		buf.append("}\n");
+		expected[1]= buf.toString();
+
+		assertExpectedExistInProposals(proposals, expected);
+	}
+
+	public void testUnusedTypeParameter2() throws Exception {
+
+		Hashtable hashtable= JavaCore.getOptions();
+		hashtable.put(JavaCore.COMPILER_PB_UNUSED_TYPE_PARAMETER, JavaCore.ERROR);
+		JavaCore.setOptions(hashtable);
+
+		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
+		StringBuffer buf= new StringBuffer();
+		buf.append("package test1;\n");
+		buf.append("    /**\n");
+		buf.append("     * @param <X> \n");
+		buf.append("     * @see E\n");
+		buf.append("     */\n");
+		buf.append("public interface E<X, T> {\n");
+		buf.append("    public void foo(Object str);\n");
+		buf.append("}\n");
+		ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
+
+		CompilationUnit astRoot= getASTRoot(cu);
+		ArrayList proposals= collectCorrections(cu, astRoot);
+		assertNumberOfProposals(proposals, 2);
+		assertCorrectLabels(proposals);
+
+		String[] expected= new String[2];
+
+		buf= new StringBuffer();
+		buf.append("package test1;\n");
+		buf.append("    /**\n");
+		buf.append("     * @param <X> \n");
+		buf.append("     * @see E\n");
+		buf.append("     */\n");
+		buf.append("public interface E<X> {\n");
+		buf.append("    public void foo(Object str);\n");
+		buf.append("}\n");
+		expected[0]= buf.toString();
+
+		buf= new StringBuffer();
+		buf.append("package test1;\n");
+		buf.append("    /**\n");
+		buf.append("     * @param <X> \n");
+		buf.append("     * @param <T> \n");
+		buf.append("     * @see E\n");
+		buf.append("     */\n");
+		buf.append("public interface E<X, T> {\n");
+		buf.append("    public void foo(Object str);\n");
+		buf.append("}\n");
+		expected[1]= buf.toString();
+
+		assertExpectedExistInProposals(proposals, expected);
+	}
+
+	public void testUnusedTypeParameter3() throws Exception {
+		Hashtable hashtable= JavaCore.getOptions();
+		hashtable.put(JavaCore.COMPILER_PB_UNUSED_TYPE_PARAMETER, JavaCore.ERROR);
+		JavaCore.setOptions(hashtable);
+
+		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
+		StringBuffer buf= new StringBuffer();
+		buf.append("package test1;\n");
+		buf.append("public class E {\n");
+		buf.append("    public <T> void foo(Object str){}\n");
+		buf.append("}\n");
+		ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
+
+		CompilationUnit astRoot= getASTRoot(cu);
+		ArrayList proposals= collectCorrections(cu, astRoot);
+		assertNumberOfProposals(proposals, 2);
+		assertCorrectLabels(proposals);
+
+		String[] expected= new String[2];
+
+		buf= new StringBuffer();
+		buf.append("package test1;\n");
+		buf.append("public class E {\n");
+		buf.append("    public void foo(Object str){}\n");
+		buf.append("}\n");
+		expected[0]= buf.toString();
+
+		buf= new StringBuffer();
+		buf.append("package test1;\n");
+		buf.append("public class E {\n");
+		buf.append("    /**\n");
+		buf.append("     * @param <T>  \n");
+		buf.append("     */\n");
+		buf.append("    public <T> void foo(Object str){}\n");
+		buf.append("}\n");
+		expected[1]= buf.toString();
+
+		assertExpectedExistInProposals(proposals, expected);
+	}
+
 }
diff --git a/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/FixMessages.java b/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/FixMessages.java
index 1e5659a..a87c8bc 100644
--- a/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/FixMessages.java
+++ b/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/FixMessages.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2011 IBM Corporation and others.
+ * Copyright (c) 2000, 2013 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
@@ -72,6 +72,7 @@ public final class FixMessages extends NLS {
 	public static String UnusedCodeFix_RemoveImport_description;
 	public static String UnusedCodeFix_RemoveCast_description;
 	public static String UnusedCodeFix_RemoveUnusedType_description;
+	public static String UnusedCodeFix_RemoveUnusedTypeParameter_description;
 	public static String UnusedCodeFix_RemoveUnusedConstructor_description;
 	public static String UnusedCodeFix_RemoveUnusedPrivateMethod_description;
 	public static String UnusedCodeFix_RemoveUnusedField_description;
diff --git a/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/FixMessages.properties b/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/FixMessages.properties
index 2457ae9..0429628 100644
--- a/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/FixMessages.properties
+++ b/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/FixMessages.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2005, 2012 IBM Corporation and others.
+# Copyright (c) 2005, 2013 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
@@ -35,6 +35,7 @@ UnusedCodeFix_RemoveUnusedVariabl_description=Remove unused local variable
 UnusedCodeFix_RemoveMethod_description=Remove method ''{0}''
 UnusedCodeFix_RemoveConstructor_description=Remove constructor ''{0}''
 UnusedCodeFix_RemoveUnusedType_description=Remove unused private type
+UnusedCodeFix_RemoveUnusedTypeParameter_description=Remove unused type parameter
 UnusedCodeFix_RemoveUnusedField_description=Remove unused private field
 UnusedCodeFix_RemoveType_description=Remove type ''{0}''
 UnusedCodeFix_RemoveCast_description=Remove cast
diff --git a/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/UnusedCodeFix.java b/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/UnusedCodeFix.java
index aa0e678..7f76eb5 100644
--- a/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/UnusedCodeFix.java
+++ b/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/fix/UnusedCodeFix.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2012 IBM Corporation and others.
+ * Copyright (c) 2000, 2013 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
@@ -150,6 +150,36 @@ public class UnusedCodeFix extends CompilationUnitRewriteOperationsFix {
 
 	}
 
+	/**
+	 * Removes the unused type parameter.
+	 * 
+	 */
+	private static class RemoveUnusedTypeParameterOperation extends CompilationUnitRewriteOperation {
+		private final SimpleName fUnusedName;
+
+		public RemoveUnusedTypeParameterOperation(SimpleName unusedName) {
+			fUnusedName= unusedName;
+		}
+
+		@Override
+		public void rewriteAST(CompilationUnitRewrite cuRewrite, LinkedProposalModel linkedModel) throws CoreException {
+			ASTRewrite rewrite= cuRewrite.getASTRewrite();
+			IBinding binding= fUnusedName.resolveBinding();
+			CompilationUnit root= (CompilationUnit) fUnusedName.getRoot();
+			String displayString= FixMessages.UnusedCodeFix_RemoveUnusedTypeParameter_description;
+			TextEditGroup group= createTextEditGroup(displayString, cuRewrite);
+
+			if (binding.getKind() == IBinding.TYPE) {
+				ITypeBinding decl= ((ITypeBinding) binding).getTypeDeclaration();
+				ASTNode declaration= root.findDeclaringNode(decl);
+				if (declaration.getParent() instanceof TypeDeclarationStatement) {
+					declaration= declaration.getParent();
+				}
+				rewrite.remove(declaration, group);
+			}
+		}
+	}
+
 	private static class RemoveUnusedMemberOperation extends CompilationUnitRewriteOperation {
 
 		private final SimpleName[] fUnusedNames;
@@ -548,6 +578,21 @@ public class UnusedCodeFix extends CompilationUnitRewriteOperationsFix {
 		return null;
 	}
 
+	public static UnusedCodeFix createUnusedTypeParameterFix(CompilationUnit compilationUnit, IProblemLocation problemLoc) {
+		if (problemLoc.getProblemId() == IProblem.UnusedTypeParameter) {
+			SimpleName name= getUnusedName(compilationUnit, problemLoc);
+			if (name != null) {
+				IBinding binding= name.resolveBinding();
+				if (binding != null) {
+					String label= FixMessages.UnusedCodeFix_RemoveUnusedTypeParameter_description;
+					RemoveUnusedTypeParameterOperation operation= new RemoveUnusedTypeParameterOperation(name);
+					return new UnusedCodeFix(label, compilationUnit, new CompilationUnitRewriteOperation[] { operation }, getCleanUpOptions(binding, false));
+				}
+			}
+		}
+		return null;
+	}
+
 	public static boolean isUnusedMember(IProblemLocation problem) {
 		int id= problem.getProblemId();
 		return id == IProblem.UnusedPrivateMethod || id == IProblem.UnusedPrivateConstructor || id == IProblem.UnusedPrivateField || id == IProblem.UnusedPrivateType
diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/CorrectionMessages.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/CorrectionMessages.java
index f93ed83..a83f608 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/CorrectionMessages.java
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/CorrectionMessages.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2012 IBM Corporation and others.
+ * Copyright (c) 2000, 2013 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
@@ -28,6 +28,7 @@ public final class CorrectionMessages extends NLS {
 	public static String FixCorrectionProposal_WarningAdditionalProposalInfo;
 	public static String JavadocTagsSubProcessor_document_exception_description;
 	public static String JavadocTagsSubProcessor_document_parameter_description;
+	public static String JavadocTagsSubProcessor_document_type_parameter_description;
 	public static String LocalCorrectionsSubProcessor_renaming_duplicate_method;
 	public static String LocalCorrectionsSubProcessor_replacefieldaccesswithmethod_description;
 	public static String ModifierCorrectionSubProcessor_addstatic_description;
diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/CorrectionMessages.properties b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/CorrectionMessages.properties
index 76f1e1c..7c4652d 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/CorrectionMessages.properties
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/CorrectionMessages.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2000, 2012 IBM Corporation and others.
+# Copyright (c) 2000, 2013 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
@@ -248,6 +248,7 @@ JavadocTagsSubProcessor_addjavadoc_field_description=Add Javadoc comment
 JavadocTagsSubProcessor_addjavadoc_paramtag_description=Add '@param' tag
 JavadocTagsSubProcessor_document_exception_description=Document thrown exception to avoid 'unused' warning
 JavadocTagsSubProcessor_document_parameter_description=Document parameter to avoid 'unused' warning
+JavadocTagsSubProcessor_document_type_parameter_description=Document type parameter to avoid 'unused' warning
 JavadocTagsSubProcessor_addjavadoc_throwstag_description=Add '@throws' tag
 JavadocTagsSubProcessor_addjavadoc_returntag_description=Add '@return' tag
 JavadocTagsSubProcessor_addjavadoc_enumconst_description=Add Javadoc comment
diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/JavadocTagsSubProcessor.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/JavadocTagsSubProcessor.java
index 5a137c0..77c70e8 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/JavadocTagsSubProcessor.java
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/JavadocTagsSubProcessor.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2012 IBM Corporation and others.
+ * Copyright (c) 2000, 2013 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
@@ -126,9 +126,9 @@ public class JavadocTagsSubProcessor {
 		private final BodyDeclaration fBodyDecl; // MethodDecl or TypeDecl
 		private final ASTNode fMissingNode;
 
-		public AddMissingJavadocTagProposal(String label, ICompilationUnit cu, BodyDeclaration methodDecl, ASTNode missingNode, int relevance) {
+		public AddMissingJavadocTagProposal(String label, ICompilationUnit cu, BodyDeclaration bodyDecl, ASTNode missingNode, int relevance) {
 			super(label, cu, null, relevance, JavaPluginImages.get(JavaPluginImages.IMG_OBJS_JAVADOCTAG));
-			fBodyDecl= methodDecl;
+			fBodyDecl= bodyDecl;
 			fMissingNode= missingNode;
 		}
 
@@ -392,7 +392,9 @@ public class JavadocTagsSubProcessor {
 			return;
 		}
 
-		boolean isUnusedParam= problem.getProblemId() == IProblem.ArgumentIsNeverUsed;
+		int problemId= problem.getProblemId();
+		boolean isUnusedTypeParam= problemId == IProblem.UnusedTypeParameter;
+		boolean isUnusedParam= problemId == IProblem.ArgumentIsNeverUsed || isUnusedTypeParam;
 		String key= isUnusedParam ? JavaCore.COMPILER_PB_UNUSED_PARAMETER_INCLUDE_DOC_COMMENT_REFERENCE : JavaCore.COMPILER_PB_UNUSED_DECLARED_THROWN_EXCEPTION_INCLUDE_DOC_COMMENT_REFERENCE;
 
 		if (!JavaCore.ENABLED.equals(project.getOption(key, true))) {
@@ -404,19 +406,21 @@ public class JavadocTagsSubProcessor {
 	 		return;
 	 	}
 
-		MethodDeclaration methodDecl= (MethodDeclaration) ASTNodes.getParent(node, ASTNode.METHOD_DECLARATION);
-		if (methodDecl == null || methodDecl.resolveBinding() == null) {
+		BodyDeclaration bodyDecl= ASTResolving.findParentBodyDeclaration(node);
+		if (bodyDecl == null || ASTResolving.getParentMethodOrTypeBinding(bodyDecl) == null) {
 			return;
 		}
 
 		String label;
-		if (isUnusedParam) {
+		if (isUnusedTypeParam) {
+			label= CorrectionMessages.JavadocTagsSubProcessor_document_type_parameter_description;
+		} else if (isUnusedParam) {
 			label= CorrectionMessages.JavadocTagsSubProcessor_document_parameter_description;
 		} else {
 			label= CorrectionMessages.JavadocTagsSubProcessor_document_exception_description;
 		}
-	 	ASTRewriteCorrectionProposal proposal= new AddMissingJavadocTagProposal(label, context.getCompilationUnit(), methodDecl, node, IProposalRelevance.DOCUMENT_UNUSED_ITEM);
-	 	proposals.add(proposal);
+		ASTRewriteCorrectionProposal proposal= new AddMissingJavadocTagProposal(label, context.getCompilationUnit(), bodyDecl, node, IProposalRelevance.DOCUMENT_UNUSED_ITEM);
+		proposals.add(proposal);
 	}
 
 	public static void getMissingJavadocCommentProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) throws CoreException {
diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/LocalCorrectionsSubProcessor.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/LocalCorrectionsSubProcessor.java
index 55480da..2cf0228 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/LocalCorrectionsSubProcessor.java
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/LocalCorrectionsSubProcessor.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2012 IBM Corporation and others.
+ * Copyright (c) 2000, 2013 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
@@ -661,6 +661,15 @@ public class LocalCorrectionsSubProcessor {
 
 	}
 
+	public static void addUnusedTypeParameterProposal(IInvocationContext context, IProblemLocation problemLoc, Collection<ICommandAccess> proposals) {
+		UnusedCodeFix fix= UnusedCodeFix.createUnusedTypeParameterFix(context.getASTRoot(), problemLoc);
+		if (fix != null) {
+			addProposal(context, proposals, fix);
+		}
+
+		JavadocTagsSubProcessor.getUnusedAndUndocumentedParameterOrExceptionProposals(context, problemLoc, proposals);
+	}
+
 	public static void addRedundantSuperInterfaceProposal(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
 		ASTNode selectedNode= problem.getCoveringNode(context.getASTRoot());
 		if (!(selectedNode instanceof Name)) {
diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/QuickFixProcessor.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/QuickFixProcessor.java
index 8902295..8c06127 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/QuickFixProcessor.java
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/QuickFixProcessor.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2012 IBM Corporation and others.
+ * Copyright (c) 2000, 2013 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
@@ -249,6 +249,7 @@ public class QuickFixProcessor implements IQuickFixProcessor {
 			case IProblem.NonNullLocalVariableComparisonYieldsFalse:
 			case IProblem.RedundantNullCheckOnNonNullLocalVariable:
 			case IProblem.RedundantNullAnnotation:
+			case IProblem.UnusedTypeParameter:
 				return true;
 			default:
 				return SuppressWarningsSubProcessor.hasSuppressWarningsProposal(cu.getJavaProject(), problemId);
@@ -701,6 +702,9 @@ public class QuickFixProcessor implements IQuickFixProcessor {
 			case IProblem.RedundantNullDefaultAnnotationMethod:
 				NullAnnotationsCorrectionProcessor.addRemoveRedundantAnnotationProposal(context, problem, proposals);
 				break;
+			case IProblem.UnusedTypeParameter:
+				LocalCorrectionsSubProcessor.addUnusedTypeParameterProposal(context, problem, proposals);
+				break;
 			default:
 		}
 		if (JavaModelUtil.is50OrHigher(context.getCompilationUnit().getJavaProject())) {