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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.MethodDoc;
import com.sun.javadoc.Type;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.ElementFilter;
import javax.lang.model.util.Elements;
import javax.lang.model.util.Types;
class MethodDocImpl extends ExecutableMemberDocImpl implements MethodDoc {
protected MethodDocImpl(ExecutableElement e, Context context) {
super(e, context);
}
static MethodDocImpl create(ExecutableElement e, Context context) {
return context.caches.methods.computeIfAbsent(e,
el -> new MethodDocImpl(el, context));
}
@Override
@Used(implemented = true)
public String name() {
return executableElement.getSimpleName().toString();
}
@Override
@Used(implemented = true)
public String qualifiedName() {
var enclosingClass = executableElement.getEnclosingElement();
return switch (enclosingClass.getKind()) {
case CLASS, INTERFACE, ANNOTATION_TYPE, ENUM -> {
var enclosingClassName =
((TypeElement) enclosingClass).getQualifiedName().toString();
yield enclosingClassName + "." + name();
}
default -> throw new UnsupportedOperationException("Expected CLASS, INTERFACE, "
+ "ANNOTATION_TYPE or ENUM, but got " + enclosingClass.getKind());
};
}
@Override
@Unused(implemented = true)
public boolean isMethod() {
return true;
}
@Override
@Used(implemented = true)
public boolean isAbstract() {
return java.lang.reflect.Modifier.isAbstract(reflectModifiers);
}
private Boolean isDefault;
@Override
@Used(implemented = true)
public boolean isDefault() {
if (isDefault == null) {
isDefault = executableElement.getModifiers()
.stream()
.anyMatch(m -> m == Modifier.DEFAULT);
}
return isDefault;
}
@Override
@Used(implemented = true)
public Type returnType() {
return TypeImpl.create(executableElement.getReturnType(), context);
}
@Override
@Unused
public ClassDoc overriddenClass() {
throw new UnsupportedOperationException("not yet implemented");
}
@Override
@Unused
public Type overriddenType() {
throw new UnsupportedOperationException("not yet implemented");
}
@Override
@Used(implemented = true)
public MethodDoc overriddenMethod() {
if (isStatic()) {
return null;
}
var enclosingElement = executableElement.getEnclosingElement();
final Types typeUtils = context.environment.getTypeUtils();
final Elements elemUtils = context.environment.getElementUtils();
return switch (enclosingElement.getKind()) {
case CLASS, INTERFACE, ANNOTATION_TYPE, ENUM -> {
var owningClass = ((TypeElement) enclosingElement);
for (TypeMirror superclass = owningClass.getSuperclass();
superclass.getKind() != TypeKind.NONE;
superclass = ((TypeElement) typeUtils.asElement(superclass)).getSuperclass()
) {
TypeElement superclassElem =
(TypeElement) typeUtils.asElement(superclass);
var overriden = ElementFilter.methodsIn(superclassElem.getEnclosedElements())
.stream()
.filter(exe -> elemUtils.overrides(executableElement, exe, owningClass))
.findFirst();
if (overriden.isPresent()) {
yield MethodDocImpl.create(overriden.get(), context);
}
}
yield null;
}
default -> throw new UnsupportedOperationException("Expected CLASS, INTERFACE, "
+ "ANNOTATION_TYPE or ENUM, but got " + enclosingElement.getKind());
};
}
@Override
@Unused
public boolean overrides(MethodDoc meth) {
throw new UnsupportedOperationException("not yet implemented");
}
}
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