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/*
* Copyright (c) 2003, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.google.doclava.javadoc;
import com.google.doclava.annotation.Unused;
import com.google.doclava.annotation.Used;
import com.sun.javadoc.ClassDoc;
import com.sun.javadoc.ParameterizedType;
import com.sun.javadoc.Type;
import java.util.Objects;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.TypeMirror;
class ParameterizedTypeImpl extends TypeImpl implements ParameterizedType {
private final DeclaredType declaredType;
// Cached fields
private Type[] typeArguments;
protected ParameterizedTypeImpl(DeclaredType declaredType, Context context) {
super(declaredType, context);
this.declaredType = declaredType;
}
static ParameterizedTypeImpl create(DeclaredType declaredType, Context context) {
return context.caches.types.parameterized.computeIfAbsent(declaredType,
el -> new ParameterizedTypeImpl(el, context));
}
@Override
@Used(implemented = true)
public ParameterizedType asParameterizedType() {
return this;
}
@Override
@Used(implemented = true)
public Type[] typeArguments() {
if (typeArguments == null) {
typeArguments = declaredType.getTypeArguments()
.stream()
.map(typeMirror -> TypeImpl.create(typeMirror, context))
.toArray(Type[]::new);
}
return typeArguments;
}
@Override
@Unused
public Type superclassType() {
throw new UnsupportedOperationException("not yet implemented");
}
@Override
@Unused
public Type[] interfaceTypes() {
throw new UnsupportedOperationException("not yet implemented");
}
@Override
@Unused
public Type containingType() {
throw new UnsupportedOperationException("not yet implemented");
}
@Override
public ClassDoc asClassDoc() {
TypeMirror erasure = context.environment.getTypeUtils().erasure(declaredType);
Type type = create(erasure, context);
Objects.requireNonNull(type);
return type.asClassDoc();
}
}
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