| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.typeconstraints.types; |
| |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| |
| |
| public abstract class AbstractTypeVariable extends TType { |
| |
| protected TType[] fBounds; |
| |
| protected AbstractTypeVariable(TypeEnvironment environment) { |
| super(environment); |
| } |
| |
| protected void initialize(ITypeBinding binding) { |
| super.initialize(binding); |
| ITypeBinding[] bounds= binding.getTypeBounds(); |
| if (bounds.length == 0) { |
| fBounds= EMPTY_TYPE_ARRAY; |
| if (getEnvironment().getJavaLangObject() == null) { |
| getEnvironment().initializeJavaLangObject(binding.getErasure()); |
| } |
| } else { |
| fBounds= new TType[bounds.length]; |
| for (int i= 0; i < bounds.length; i++) { |
| fBounds[i]= getEnvironment().create(bounds[i]); |
| } |
| } |
| } |
| |
| public TType getErasure() { |
| if (fBounds.length == 0) |
| return getEnvironment().getJavaLangObject(); |
| return fBounds[0].getErasure(); |
| } |
| |
| /* package */ final boolean isUnbounded() { |
| if (fBounds.length == 0) |
| return true; |
| return fBounds[0].isJavaLangObject(); |
| } |
| |
| public final TType[] getBounds() { |
| return (TType[]) fBounds.clone(); |
| } |
| |
| public final TType[] getSubTypes() { |
| return EMPTY_TYPE_ARRAY; |
| } |
| |
| protected final boolean checkAssignmentBound(TType rhs) { |
| if (fBounds.length == 0) |
| return true; |
| for (int i= 0; i < fBounds.length; i++) { |
| if (rhs.canAssignTo(fBounds[i])) |
| return true; |
| } |
| return false; |
| } |
| |
| protected final boolean canAssignOneBoundTo(TType lhs) { |
| if (fBounds.length == 0) |
| return lhs.isJavaLangObject(); |
| for (int i= 0; i < fBounds.length; i++) { |
| if (fBounds[i].canAssignTo(lhs)) |
| return true; |
| } |
| return false; |
| } |
| |
| } |