| /******************************************************************************* |
| * Copyright (c) 2006, 2017 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: |
| * wharley@bea.com - initial API and implementation |
| * IBM Corporation - fix for 342598 |
| *******************************************************************************/ |
| |
| package org.aspectj.org.eclipse.jdt.internal.compiler.apt.model; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ElementKind; |
| import javax.lang.model.type.DeclaredType; |
| import javax.lang.model.type.TypeKind; |
| import javax.lang.model.type.TypeMirror; |
| import javax.lang.model.type.TypeVisitor; |
| |
| import org.aspectj.org.eclipse.jdt.internal.compiler.apt.dispatch.BaseProcessingEnvImpl; |
| import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ParameterizedTypeBinding; |
| import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding; |
| import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding; |
| import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeVariableBinding; |
| |
| /** |
| * Implementation of DeclaredType, which refers to a particular usage or instance of a type. |
| * Contrast with {@link javax.lang.model.element.TypeElement}, which is an element that potentially defines a family |
| * of DeclaredTypes. |
| */ |
| public class DeclaredTypeImpl extends TypeMirrorImpl implements DeclaredType { |
| |
| private final ElementKind _elementKindHint; |
| |
| /* package */ DeclaredTypeImpl(BaseProcessingEnvImpl env, ReferenceBinding binding) { |
| super(env, binding); |
| _elementKindHint = null; |
| } |
| |
| /** |
| * Create a DeclaredType that knows in advance what kind of element to produce from asElement(). |
| * This is useful in the case where the type binding is to an unresolved type, but we know |
| * from context what type it is - e.g., an annotation type. |
| */ |
| /* package */ DeclaredTypeImpl(BaseProcessingEnvImpl env, ReferenceBinding binding, ElementKind elementKindHint) { |
| super(env, binding); |
| _elementKindHint = elementKindHint; |
| } |
| |
| @Override |
| public Element asElement() { |
| // The JDT compiler does not distinguish between type elements and declared types |
| return _env.getFactory().newElement((ReferenceBinding)_binding, _elementKindHint); |
| } |
| |
| @Override |
| public TypeMirror getEnclosingType() { |
| ReferenceBinding binding = (ReferenceBinding)_binding; |
| ReferenceBinding enclosingType = binding.enclosingType(); |
| if (enclosingType != null) { |
| return _env.getFactory().newTypeMirror(enclosingType); |
| } |
| return _env.getFactory().getNoType(TypeKind.NONE); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see javax.lang.model.type.DeclaredType#getTypeArguments() |
| * @see javax.lang.model.element.TypeElement#getTypeParameters(). |
| */ |
| @Override |
| public List<? extends TypeMirror> getTypeArguments() { |
| ReferenceBinding binding = (ReferenceBinding)_binding; |
| if (binding.isParameterizedType()) { |
| ParameterizedTypeBinding ptb = (ParameterizedTypeBinding)_binding; |
| TypeBinding[] arguments = ptb.arguments; |
| int length = arguments == null ? 0 : arguments.length; |
| if (length == 0) return Collections.emptyList(); |
| List<TypeMirror> args = new ArrayList<>(length); |
| for (TypeBinding arg : arguments) { |
| args.add(_env.getFactory().newTypeMirror(arg)); |
| } |
| return Collections.unmodifiableList(args); |
| } |
| if (binding.isGenericType()) { |
| TypeVariableBinding[] typeVariables = binding.typeVariables(); |
| List<TypeMirror> args = new ArrayList<>(typeVariables.length); |
| for (TypeBinding arg : typeVariables) { |
| args.add(_env.getFactory().newTypeMirror(arg)); |
| } |
| return Collections.unmodifiableList(args); |
| } |
| return Collections.emptyList(); |
| } |
| |
| /* (non-Javadoc) |
| * @see javax.lang.model.type.TypeMirror#accept(javax.lang.model.type.TypeVisitor, java.lang.Object) |
| */ |
| @Override |
| public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
| return v.visitDeclared(this, p); |
| } |
| |
| @Override |
| public TypeKind getKind() { |
| return TypeKind.DECLARED; |
| } |
| |
| @Override |
| public String toString() { |
| return new String(_binding.readableName()); |
| } |
| |
| } |