/*
* Copyright 2017-present Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may obtain
* a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package com.facebook.buck.jvm.java.abi.source;
import com.facebook.buck.util.liteinfersupport.Nullable;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.type.WildcardType;
/**
* An implementation of {@link WildcardType} that is not dependent on any particular compiler
* implementation. It requires a {@link TypeMirror}, but does not depend on any particular
* implementation of it (beyond the spec).
*/
class StandaloneWildcardType extends StandaloneTypeMirror implements WildcardType {
@Nullable private final TypeMirror extendsBound;
@Nullable private final TypeMirror superBound;
public StandaloneWildcardType(
@Nullable TypeMirror extendsBound, @Nullable TypeMirror superBound) {
super(TypeKind.WILDCARD);
this.extendsBound = extendsBound;
this.superBound = superBound;
}
@Override
@Nullable
public TypeMirror getExtendsBound() {
return extendsBound;
}
@Override
@Nullable
public TypeMirror getSuperBound() {
return superBound;
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append('?');
if (extendsBound != null) {
builder.append(" extends ");
builder.append(extendsBound.toString());
} else if (superBound != null) {
builder.append(" super ");
builder.append(superBound.toString());
}
return builder.toString();
}
}