--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2006, 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.corext.refactoring.scripting;
+
+import java.util.Map;
+
+import org.eclipse.core.runtime.CoreException;
+
+import org.eclipse.ltk.core.refactoring.Refactoring;
+import org.eclipse.ltk.core.refactoring.RefactoringDescriptor;
+import org.eclipse.ltk.core.refactoring.RefactoringStatus;
+
+import org.eclipse.jdt.core.refactoring.descriptors.JavaRefactoringDescriptor;
+
+import org.eclipse.jdt.internal.core.refactoring.descriptors.RefactoringSignatureDescriptorFactory;
+import org.eclipse.jdt.internal.corext.refactoring.JavaRefactoringArguments;
+import org.eclipse.jdt.internal.corext.refactoring.structure.ChangeTypeRefactoring;
+
+/**
+ * Refactoring contribution for the extract interface refactoring.
+ *
+ * @since 3.2
+ */
+public final class ChangeTypeRefactoringContribution extends JavaUIRefactoringContribution {
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Refactoring createRefactoring(JavaRefactoringDescriptor descriptor, RefactoringStatus status) throws CoreException {
+ JavaRefactoringArguments arguments= new JavaRefactoringArguments(descriptor.getProject(), retrieveArgumentMap(descriptor));
+ return new ChangeTypeRefactoring(arguments, status);
+ }
+
+ @Override
+ public RefactoringDescriptor createDescriptor() {
+ return RefactoringSignatureDescriptorFactory.createGeneralizeTypeDescriptor();
+ }
+
+ @Override
+ public RefactoringDescriptor createDescriptor(String id, String project, String description, String comment, Map arguments, int flags) {
+ return RefactoringSignatureDescriptorFactory.createGeneralizeTypeDescriptor(project, description, comment, arguments, flags);
+ }
+}
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