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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.resolution.typesolvers;
import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration;
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<ResolvedReferenceTypeDeclaration> 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(ResolvedReferenceTypeDeclaration.class);
} else {
String parentName = name.substring(0, lastDot);
String childName = name.substring(lastDot + 1);
SymbolReference<ResolvedReferenceTypeDeclaration> parent = tryToSolveType(parentName);
if (parent.isSolved()) {
Optional<ResolvedReferenceTypeDeclaration> innerClass = parent.getCorrespondingDeclaration().internalTypes()
.stream().filter(it -> it.getName().equals(childName)).findFirst();
if (innerClass.isPresent()) {
return SymbolReference.solved(innerClass.get());
} else {
return SymbolReference.unsolved(ResolvedReferenceTypeDeclaration.class);
}
} else {
return SymbolReference.unsolved(ResolvedReferenceTypeDeclaration.class);
}
}
}
} else {
return SymbolReference.unsolved(ResolvedReferenceTypeDeclaration.class);
}
}
}
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