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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.symbolsolver.model.declarations.*;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import javassist.CtConstructor;
import javassist.NotFoundException;
import javassist.bytecode.BadBytecode;
import javassist.bytecode.SignatureAttribute;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
/**
* @author Fred Lefévère-Laoide
*/
public class JavassistConstructorDeclaration implements ConstructorDeclaration {
private CtConstructor ctConstructor;
private TypeSolver typeSolver;
public JavassistConstructorDeclaration(CtConstructor ctConstructor, TypeSolver typeSolver) {
this.ctConstructor = ctConstructor;
this.typeSolver = typeSolver;
}
@Override
public String toString() {
return "JavassistMethodDeclaration{" +
"CtConstructor=" + ctConstructor +
'}';
}
@Override
public String getName() {
return ctConstructor.getName();
}
@Override
public boolean isField() {
return false;
}
@Override
public boolean isParameter() {
return false;
}
@Override
public boolean isType() {
return false;
}
@Override
public ClassDeclaration declaringType() {
return new JavassistClassDeclaration(ctConstructor.getDeclaringClass(), typeSolver);
}
@Override
public int getNumberOfParams() {
try {
return ctConstructor.getParameterTypes().length;
} catch (NotFoundException e) {
throw new RuntimeException(e);
}
}
@Override
public ParameterDeclaration getParam(int i) {
try {
boolean variadic = false;
if ((ctConstructor.getModifiers() & javassist.Modifier.VARARGS) > 0) {
variadic = i == (ctConstructor.getParameterTypes().length - 1);
}
if (ctConstructor.getGenericSignature() != null) {
SignatureAttribute.MethodSignature methodSignature = SignatureAttribute.toMethodSignature(ctConstructor.getGenericSignature());
SignatureAttribute.Type signatureType = methodSignature.getParameterTypes()[i];
return new JavassistParameterDeclaration(JavassistUtils.signatureTypeToType(signatureType, typeSolver, this), typeSolver, variadic);
} else {
return new JavassistParameterDeclaration(ctConstructor.getParameterTypes()[i], typeSolver, variadic);
}
} catch (NotFoundException e) {
throw new RuntimeException(e);
} catch (BadBytecode badBytecode) {
throw new RuntimeException(badBytecode);
}
}
@Override
public List<TypeParameterDeclaration> getTypeParameters() {
try {
if (ctConstructor.getGenericSignature() == null) {
return Collections.emptyList();
}
SignatureAttribute.MethodSignature methodSignature = SignatureAttribute.toMethodSignature(ctConstructor.getGenericSignature());
return Arrays.stream(methodSignature.getTypeParameters()).map((jasTp) -> new JavassistTypeParameter(jasTp, this, typeSolver)).collect(Collectors.toList());
} catch (BadBytecode badBytecode) {
throw new RuntimeException(badBytecode);
}
}
@Override
public AccessLevel accessLevel() {
return JavassistFactory.modifiersToAccessLevel(ctConstructor.getModifiers());
}
}
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