com.github.javaparser.symbolsolver.javassistmodel.JavassistAnnotationDeclaration Maven / Gradle / Ivy

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A Symbol Solver for Java, built on top of JavaParser (core)
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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.javassistmodel;

import com.github.javaparser.ast.body.AnnotationDeclaration;
import com.github.javaparser.resolution.declarations.*;
import com.github.javaparser.resolution.types.ResolvedReferenceType;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.symbolsolver.logic.AbstractTypeDeclaration;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import javassist.CtClass;

import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;

/**
 * @author Malte Skoruppa
 */
public class JavassistAnnotationDeclaration extends AbstractTypeDeclaration implements ResolvedAnnotationDeclaration {

    private CtClass ctClass;
    private TypeSolver typeSolver;
    private JavassistTypeDeclarationAdapter javassistTypeDeclarationAdapter;

    @Override
    public String toString() {
        return getClass().getSimpleName() + "{" +
                "ctClass=" + ctClass.getName() +
                ", typeSolver=" + typeSolver +
                '}';
    }

    public JavassistAnnotationDeclaration(CtClass ctClass, TypeSolver typeSolver) {
        if (!ctClass.isAnnotation()) {
            throw new IllegalArgumentException("Not an annotation: " + ctClass.getName());
        }
        this.ctClass = ctClass;
        this.typeSolver = typeSolver;
        this.javassistTypeDeclarationAdapter = new JavassistTypeDeclarationAdapter(ctClass, typeSolver);
    }

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

    @Override
    public String getClassName() {
        String qualifiedName = getQualifiedName();
        if (qualifiedName.contains(".")) {
            return qualifiedName.substring(qualifiedName.lastIndexOf(".") + 1, qualifiedName.length());
        } else {
            return qualifiedName;
        }
    }

    @Override
    public String getQualifiedName() {
        return ctClass.getName().replace('$', '.');
    }

    @Override
    public boolean isAssignableBy(ResolvedType type) {
        // TODO #1836
        throw new UnsupportedOperationException();
    }

    @Override
    public List getAllFields() {
        // TODO #1837
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean isAssignableBy(ResolvedReferenceTypeDeclaration other) {
        throw new UnsupportedOperationException();
    }

    @Override
    public List getAncestors(boolean acceptIncompleteList) {
        throw new UnsupportedOperationException();
    }

    @Override
    public Set getDeclaredMethods() {
        // TODO #1838
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean hasDirectlyAnnotation(String canonicalName) {
        return ctClass.hasAnnotation(canonicalName);
    }

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

    /**
     * Annotation declarations cannot have type parameters and hence this method always returns an empty list.
     *
     * @return An empty list.
     */
    @Override
    public List getTypeParameters() {
        // Annotation declarations cannot have type parameters - i.e. we can always return an empty list.
        return Collections.emptyList();
    }

    @Override
    public Optional containerType() {
        // TODO #1841
        throw new UnsupportedOperationException("containerType() is not supported for " + this.getClass().getCanonicalName());
    }

    @Override
    public List getConstructors() {
        return Collections.emptyList();
    }

    @Override
    public List getAnnotationMembers() {
        return Stream.of(ctClass.getDeclaredMethods())
                .map(m -> new JavassistAnnotationMemberDeclaration(m, typeSolver))
                .collect(Collectors.toList());
    }

    @Override
    public Optional toAst() {
        return Optional.empty();
    }
}