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/*
* Copyright 2016 Federico Tomassetti
*
* 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.github.javaparser.symbolsolver.reflectionmodel;
import com.github.javaparser.symbolsolver.model.declarations.MethodLikeDeclaration;
import com.github.javaparser.symbolsolver.model.declarations.ReferenceTypeDeclaration;
import com.github.javaparser.symbolsolver.model.declarations.TypeParameterDeclaration;
import com.github.javaparser.symbolsolver.model.declarations.TypeParametrizable;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import java.lang.reflect.Constructor;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.Method;
import java.lang.reflect.TypeVariable;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* @author Federico Tomassetti
*/
public class ReflectionTypeParameter implements TypeParameterDeclaration {
private TypeVariable typeVariable;
private TypeSolver typeSolver;
private TypeParametrizable container;
public ReflectionTypeParameter(TypeVariable typeVariable, boolean declaredOnClass, TypeSolver typeSolver) {
GenericDeclaration genericDeclaration = typeVariable.getGenericDeclaration();
if (genericDeclaration instanceof Class) {
container = ReflectionFactory.typeDeclarationFor((Class) genericDeclaration, typeSolver);
} else if (genericDeclaration instanceof Method) {
container = new ReflectionMethodDeclaration((Method) genericDeclaration, typeSolver);
} else if (genericDeclaration instanceof Constructor) {
container = new ReflectionConstructorDeclaration((Constructor) genericDeclaration, typeSolver);
}
this.typeVariable = typeVariable;
this.typeSolver = typeSolver;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof TypeParameterDeclaration)) return false;
TypeParameterDeclaration that = (TypeParameterDeclaration) o;
if (!getQualifiedName().equals(that.getQualifiedName())) {
return false;
}
if (declaredOnType() != that.declaredOnType()) {
return false;
}
if (declaredOnMethod() != that.declaredOnMethod()) {
return false;
}
// TODO check bounds
return true;
}
@Override
public int hashCode() {
int result = typeVariable.hashCode();
result = 31 * result + container.hashCode();
return result;
}
@Override
public String getName() {
return typeVariable.getName();
}
@Override
public String getContainerQualifiedName() {
if (container instanceof ReferenceTypeDeclaration) {
return ((ReferenceTypeDeclaration) container).getQualifiedName();
} else {
return ((MethodLikeDeclaration) container).getQualifiedSignature();
}
}
@Override
public String getContainerId() {
if (container instanceof ReferenceTypeDeclaration) {
return ((ReferenceTypeDeclaration) container).getId();
} else {
return ((MethodLikeDeclaration) container).getQualifiedSignature();
}
}
@Override
public TypeParametrizable getContainer() {
return this.container;
}
@Override
public List<Bound> getBounds(TypeSolver typeSolver) {
return Arrays.stream(typeVariable.getBounds()).map((refB) -> Bound.extendsBound(ReflectionFactory.typeUsageFor(refB, typeSolver))).collect(Collectors.toList());
}
@Override
public String toString() {
return "ReflectionTypeParameter{" +
"typeVariable=" + typeVariable +
'}';
}
@Override
public Optional<ReferenceTypeDeclaration> containerType() {
if (container instanceof ReferenceTypeDeclaration) {
return Optional.of((ReferenceTypeDeclaration) container);
}
return Optional.empty();
}
}
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