javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserTypeVariableDeclaration.java

/*
 * 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.javaparsermodel.declarations;

import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.type.TypeParameter;
import com.github.javaparser.resolution.declarations.ResolvedFieldDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedMethodDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedTypeParameterDeclaration;
import com.github.javaparser.resolution.types.ResolvedReferenceType;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.symbolsolver.core.resolution.Context;
import com.github.javaparser.symbolsolver.logic.AbstractTypeDeclaration;
import com.github.javaparser.symbolsolver.model.resolution.SymbolReference;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import com.github.javaparser.symbolsolver.model.typesystem.ReferenceTypeImpl;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.Set;

/**
 * @author Federico Tomassetti
 */
public class JavaParserTypeVariableDeclaration extends AbstractTypeDeclaration {

    private TypeParameter wrappedNode;
    private TypeSolver typeSolver;

    public JavaParserTypeVariableDeclaration(TypeParameter wrappedNode, TypeSolver typeSolver) {
        this.wrappedNode = wrappedNode;
        this.typeSolver = typeSolver;
    }

    @Override
    public boolean isAssignableBy(ResolvedReferenceTypeDeclaration other) {
        return isAssignableBy(new ReferenceTypeImpl(other, typeSolver));
    }

    @Override
    public String getPackageName() {
        return Helper.getPackageName(wrappedNode);
    }

    @Override
    public String getClassName() {
        return Helper.getClassName("", wrappedNode);
    }

    @Override
    public String getQualifiedName() {
        return getName();
    }

    public Context getContext() {
        throw new UnsupportedOperationException();
    }

    @Override
    public String toString() {
        return "JavaParserTypeVariableDeclaration{" +
                wrappedNode.getName() +
                '}';
    }

    public SymbolReference<ResolvedMethodDeclaration> solveMethod(String name, List<ResolvedType> parameterTypes) {
        throw new UnsupportedOperationException();
    }

    public ResolvedType getUsage(Node node) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean isAssignableBy(ResolvedType type) {
        if (type.isTypeVariable()) {
            throw new UnsupportedOperationException("Is this type variable declaration assignable by " + type.describe());
        } else {
            throw new UnsupportedOperationException("Is this type variable declaration assignable by " + type);
        }
    }

    @Override
    public boolean isTypeParameter() {
        return true;
    }

    @Override
    public ResolvedFieldDeclaration getField(String name) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean hasField(String name) {
        return false;
    }

    @Override
    public List<ResolvedFieldDeclaration> getAllFields() {
        return new ArrayList<>();
    }

    @Override
    public List<ResolvedReferenceType> getAncestors() {
        throw new UnsupportedOperationException();
    }

    @Override
    public Set<ResolvedMethodDeclaration> getDeclaredMethods() {
        return Collections.emptySet();
    }

    @Override
    public String getName() {
        return wrappedNode.getName().getId();
    }

    @Override
    public boolean isField() {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean isParameter() {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean isType() {
        return true;
    }

    @Override
    public boolean hasDirectlyAnnotation(String canonicalName) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean isClass() {
        return false;
    }

    @Override
    public boolean isInterface() {
        return false;
    }

    @Override
    public List<ResolvedTypeParameterDeclaration> getTypeParameters() {
        return Collections.emptyList();
    }

    public ResolvedTypeParameterDeclaration asTypeParameter() {
        return new JavaParserTypeParameter(this.wrappedNode, typeSolver);
    }

    /**
     * Returns the JavaParser node associated with this JavaParserTypeVariableDeclaration.
     *
     * @return A visitable JavaParser node wrapped by this object.
     */
    public TypeParameter getWrappedNode() {
        return wrappedNode;
    }

    @Override
    public Optional<ResolvedReferenceTypeDeclaration> containerType() {
        return asTypeParameter().containerType();
    }
}