| /* |
| * 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.resolution.typesolvers; |
| |
| import com.github.javaparser.symbolsolver.model.declarations.ReferenceTypeDeclaration; |
| import com.github.javaparser.symbolsolver.model.resolution.SymbolReference; |
| import com.github.javaparser.symbolsolver.model.resolution.TypeSolver; |
| import com.github.javaparser.symbolsolver.reflectionmodel.ReflectionFactory; |
| |
| import java.util.Optional; |
| |
| /** |
| * @author Federico Tomassetti |
| */ |
| public class ReflectionTypeSolver implements TypeSolver { |
| |
| private TypeSolver parent; |
| |
| public ReflectionTypeSolver(boolean jreOnly) { |
| this.jreOnly = jreOnly; |
| } |
| |
| public ReflectionTypeSolver() { |
| this(true); |
| } |
| |
| private boolean jreOnly; |
| |
| @Override |
| public TypeSolver getParent() { |
| return parent; |
| } |
| |
| @Override |
| public void setParent(TypeSolver parent) { |
| this.parent = parent; |
| } |
| |
| @Override |
| public SymbolReference<ReferenceTypeDeclaration> tryToSolveType(String name) { |
| if (!jreOnly || (name.startsWith("java.") || name.startsWith("javax."))) { |
| try { |
| ClassLoader classLoader = ReflectionTypeSolver.class.getClassLoader(); |
| |
| // Some implementations could return null when the class was loaded through the bootstrap classloader |
| // see https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html#getClassLoader-- |
| if (classLoader == null) { |
| throw new RuntimeException("The ReflectionTypeSolver has been probably loaded through the bootstrap class loader. This usage is not supported by the JavaSymbolSolver"); |
| } |
| |
| Class<?> clazz = classLoader.loadClass(name); |
| return SymbolReference.solved(ReflectionFactory.typeDeclarationFor(clazz, getRoot())); |
| } catch (ClassNotFoundException e) { |
| // it could be an inner class |
| int lastDot = name.lastIndexOf('.'); |
| if (lastDot == -1) { |
| return SymbolReference.unsolved(ReferenceTypeDeclaration.class); |
| } else { |
| String parentName = name.substring(0, lastDot); |
| String childName = name.substring(lastDot + 1); |
| SymbolReference<ReferenceTypeDeclaration> parent = tryToSolveType(parentName); |
| if (parent.isSolved()) { |
| Optional<ReferenceTypeDeclaration> innerClass = parent.getCorrespondingDeclaration().internalTypes() |
| .stream().filter(it -> it.getName().equals(childName)).findFirst(); |
| if (innerClass.isPresent()) { |
| return SymbolReference.solved(innerClass.get()); |
| } else { |
| return SymbolReference.unsolved(ReferenceTypeDeclaration.class); |
| } |
| } else { |
| return SymbolReference.unsolved(ReferenceTypeDeclaration.class); |
| } |
| } |
| } |
| } else { |
| return SymbolReference.unsolved(ReferenceTypeDeclaration.class); |
| } |
| } |
| |
| } |