| /******************************************************************************* |
| * Copyright (c) 2005, 2007 BEA Systems, Inc. |
| * 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: |
| * tyeung@bea.com - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.apt.core.internal.type; |
| |
| import com.sun.mirror.type.ReferenceType; |
| import com.sun.mirror.type.WildcardType; |
| import com.sun.mirror.util.TypeVisitor; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.eclipse.jdt.apt.core.internal.declaration.EclipseMirrorType; |
| import org.eclipse.jdt.apt.core.internal.env.BaseProcessorEnv; |
| import org.eclipse.jdt.apt.core.internal.util.Factory; |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| |
| public class WildcardTypeImpl implements WildcardType, EclipseMirrorType |
| { |
| private final ITypeBinding _binding; |
| private final BaseProcessorEnv _env; |
| |
| public WildcardTypeImpl(ITypeBinding binding, BaseProcessorEnv env) |
| { |
| _binding = binding; |
| _env = env; |
| assert _binding != null && _binding.isWildcardType(); |
| assert env != null : "missing environment"; //$NON-NLS-1$ |
| } |
| |
| public void accept(TypeVisitor visitor) |
| { |
| visitor.visitWildcardType(this); |
| } |
| |
| public Collection<ReferenceType> getLowerBounds() |
| { |
| final ITypeBinding bound = _binding.getBound(); |
| // no bound or has an upper bound. |
| if( bound == null || _binding.isUpperbound() ) |
| return Collections.emptyList(); |
| ReferenceType mirror = Factory.createReferenceType(bound, _env); |
| if( mirror == null ) |
| mirror = Factory.createErrorClassType(bound); |
| return Collections.singletonList(mirror); |
| } |
| |
| public Collection<ReferenceType> getUpperBounds() |
| { |
| final ITypeBinding bound = _binding.getBound(); |
| // no bound or has a lower bound. |
| if( bound == null || !_binding.isUpperbound() ) |
| return Collections.emptyList(); |
| ReferenceType mirror = Factory.createReferenceType(bound, _env); |
| if( mirror == null ) |
| mirror = Factory.createErrorClassType(bound); |
| return Collections.singletonList(mirror); |
| } |
| |
| public String toString(){ return _binding.toString(); } |
| public int hashCode(){ return _binding.hashCode(); } |
| public boolean equals(Object obj) |
| { |
| if(obj instanceof WildcardTypeImpl ) |
| return ((WildcardTypeImpl)obj)._binding.isEqualTo(_binding); |
| return false; |
| } |
| |
| public MirrorKind kind(){ return MirrorKind.TYPE_WILDCARD; } |
| |
| public ITypeBinding getTypeBinding(){ return _binding; } |
| |
| public BaseProcessorEnv getEnvironment(){ return _env; } |
| |
| public boolean isAssignmentCompatible(EclipseMirrorType left) { |
| return false; |
| } |
| |
| public boolean isSubTypeCompatible(EclipseMirrorType type) { |
| return false; |
| } |
| |
| } |