javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javassistmodel/JavassistClassDeclaration.java - platform/external/javaparser - Git at Google

 /*
  * 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.AccessSpecifier;
 import com.github.javaparser.ast.Node;
 import com.github.javaparser.resolution.MethodUsage;
 import com.github.javaparser.resolution.UnsolvedSymbolException;
 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.core.resolution.Context;
 import com.github.javaparser.symbolsolver.core.resolution.MethodUsageResolutionCapability;
 import com.github.javaparser.symbolsolver.javaparsermodel.LambdaArgumentTypePlaceholder;
 import com.github.javaparser.symbolsolver.logic.AbstractClassDeclaration;
 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 com.github.javaparser.symbolsolver.resolution.MethodResolutionLogic;
 import com.github.javaparser.symbolsolver.resolution.SymbolSolver;
 import javassist.CtClass;
 import javassist.CtField;
 import javassist.CtMethod;
 import javassist.NotFoundException;
 import javassist.bytecode.AccessFlag;
 import javassist.bytecode.BadBytecode;
 import javassist.bytecode.SignatureAttribute;
 import javassist.bytecode.SyntheticAttribute;

 import java.lang.reflect.Modifier;
 import java.util.*;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;

 /**
  * @author Federico Tomassetti
  */
 public class JavassistClassDeclaration extends AbstractClassDeclaration implements MethodUsageResolutionCapability {

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

     public JavassistClassDeclaration(CtClass ctClass, TypeSolver typeSolver) {
         if (ctClass == null) {
             throw new IllegalArgumentException();
         }
         if (ctClass.isInterface() || ctClass.isAnnotation() || ctClass.isPrimitive() || ctClass.isEnum()) {
             throw new IllegalArgumentException("Trying to instantiate a JavassistClassDeclaration with something which is not a class: " + ctClass.toString());
         }
         this.ctClass = ctClass;
         this.typeSolver = typeSolver;
         this.javassistTypeDeclarationAdapter = new JavassistTypeDeclarationAdapter(ctClass, typeSolver);
     }

     @Override
     protected ResolvedReferenceType object() {
         return new ReferenceTypeImpl(typeSolver.solveType(Object.class.getCanonicalName()), typeSolver);
     }

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

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

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

     @Override
     public boolean equals(Object o) {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;

         JavassistClassDeclaration that = (JavassistClassDeclaration) o;

         return ctClass.equals(that.ctClass);
     }

     @Override
     public int hashCode() {
         return ctClass.hashCode();
     }

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

     @Override
     public String getClassName() {
         String className = ctClass.getName().replace('$', '.');
         if (getPackageName() != null) {
             return className.substring(getPackageName().length() + 1);
         }
         return className;
     }

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

     @Deprecated
     public Optional<MethodUsage> solveMethodAsUsage(String name, List<ResolvedType> argumentsTypes,
                                                     Context invokationContext, List<ResolvedType> typeParameterValues) {
         return JavassistUtils.getMethodUsage(ctClass, name, argumentsTypes, typeSolver, getTypeParameters(), typeParameterValues);
     }

     @Deprecated
     public SymbolReference<? extends ResolvedValueDeclaration> solveSymbol(String name, TypeSolver typeSolver) {
         for (CtField field : ctClass.getDeclaredFields()) {
             if (field.getName().equals(name)) {
                 return SymbolReference.solved(new JavassistFieldDeclaration(field, typeSolver));
             }
         }

         final String superclassFQN = getSuperclassFQN();
         SymbolReference<? extends ResolvedValueDeclaration> ref = solveSymbolForFQN(name, superclassFQN);
         if (ref.isSolved()) {
             return ref;
         }

         String[] interfaceFQNs = getInterfaceFQNs();
         for (String interfaceFQN : interfaceFQNs) {
             SymbolReference<? extends ResolvedValueDeclaration> interfaceRef = solveSymbolForFQN(name, interfaceFQN);
             if (interfaceRef.isSolved()) {
                 return interfaceRef;
             }
         }

         return SymbolReference.unsolved(ResolvedValueDeclaration.class);
     }

     private SymbolReference<? extends ResolvedValueDeclaration> solveSymbolForFQN(String symbolName, String fqn) {
         if (fqn == null) {
             return SymbolReference.unsolved(ResolvedValueDeclaration.class);
         }

         ResolvedReferenceTypeDeclaration fqnTypeDeclaration = typeSolver.solveType(fqn);
         return new SymbolSolver(typeSolver).solveSymbolInType(fqnTypeDeclaration, symbolName);
     }

     private String[] getInterfaceFQNs() {
         return ctClass.getClassFile().getInterfaces();
     }

     private String getSuperclassFQN() {
         return ctClass.getClassFile().getSuperclass();
     }

     @Override
     public List<ResolvedReferenceType> getAncestors(boolean acceptIncompleteList) {
         List<ResolvedReferenceType> ancestors = new ArrayList<>();
         try {
             ResolvedReferenceType superClass = getSuperClass();
             if (superClass != null) {
                 ancestors.add(superClass);
             }
         } catch (UnsolvedSymbolException e) {
             if (!acceptIncompleteList) {
                 // we only throw an exception if we require a complete list; otherwise, we attempt to continue gracefully
                 throw e;
             }
         }
         try {
             ancestors.addAll(getInterfaces());
         } catch (UnsolvedSymbolException e) {
             if (!acceptIncompleteList) {
                 // we only throw an exception if we require a complete list; otherwise, we attempt to continue gracefully
                 throw e;
             }
         }
         return ancestors;
     }

     @Override
     @Deprecated
     public SymbolReference<ResolvedMethodDeclaration> solveMethod(String name, List<ResolvedType> argumentsTypes, boolean staticOnly) {
         List<ResolvedMethodDeclaration> candidates = new ArrayList<>();
         Predicate<CtMethod> staticOnlyCheck = m -> !staticOnly || (staticOnly && Modifier.isStatic(m.getModifiers()));
         for (CtMethod method : ctClass.getDeclaredMethods()) {
             boolean isSynthetic = method.getMethodInfo().getAttribute(SyntheticAttribute.tag) != null;
             boolean isNotBridge = (method.getMethodInfo().getAccessFlags() & AccessFlag.BRIDGE) == 0;
             if (method.getName().equals(name) && !isSynthetic && isNotBridge && staticOnlyCheck.test(method)) {
                 ResolvedMethodDeclaration candidate = new JavassistMethodDeclaration(method, typeSolver);
                 candidates.add(candidate);

                 // no need to search for overloaded/inherited methods if the method has no parameters
                 if (argumentsTypes.isEmpty() && candidate.getNumberOfParams() == 0) {
                     return SymbolReference.solved(candidate);
                 }
             }
         }

         // add the method declaration of the superclass to the candidates, if present
         SymbolReference<ResolvedMethodDeclaration> superClassMethodRef = MethodResolutionLogic
                 .solveMethodInType(getSuperClass().getTypeDeclaration(), name, argumentsTypes, staticOnly);
         if (superClassMethodRef.isSolved()) {
             candidates.add(superClassMethodRef.getCorrespondingDeclaration());
         }

         // add the method declaration of the interfaces to the candidates, if present
         for (ResolvedReferenceType interfaceRef : getInterfaces()) {
             SymbolReference<ResolvedMethodDeclaration> interfaceMethodRef =
                     MethodResolutionLogic.solveMethodInType(interfaceRef.getTypeDeclaration(), name, argumentsTypes,
                                                             staticOnly);
             if (interfaceMethodRef.isSolved()) {
                 candidates.add(interfaceMethodRef.getCorrespondingDeclaration());
             }
         }

         return MethodResolutionLogic.findMostApplicable(candidates, name, argumentsTypes, typeSolver);
     }

     public ResolvedType getUsage(Node node) {
         return new ReferenceTypeImpl(this, typeSolver);
     }

     @Override
     public boolean isAssignableBy(ResolvedType type) {
         if (type.isNull()) {
             return true;
         }

         if (type instanceof LambdaArgumentTypePlaceholder) {
             return isFunctionalInterface();
         }

         // TODO look into generics
         if (type.describe().equals(this.getQualifiedName())) {
             return true;
         }
         try {
             if (this.ctClass.getSuperclass() != null
                     && new JavassistClassDeclaration(this.ctClass.getSuperclass(), typeSolver).isAssignableBy(type)) {
                 return true;
             }
             for (CtClass interfaze : ctClass.getInterfaces()) {
                 if (new JavassistInterfaceDeclaration(interfaze, typeSolver).isAssignableBy(type)) {
                     return true;
                 }
             }
         } catch (NotFoundException e) {
             throw new RuntimeException(e);
         }
         return false;
     }

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

     @Override
     public List<ResolvedFieldDeclaration> getAllFields() {
         return javassistTypeDeclarationAdapter.getDeclaredFields();
     }

     @Override
     public String getName() {
         String[] nameElements = ctClass.getSimpleName().replace('$', '.').split("\\.");
         return nameElements[nameElements.length - 1];
     }

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

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

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

     @Override
     public boolean isClass() {
         return !ctClass.isInterface();
     }

     @Override
     public ResolvedReferenceType getSuperClass() {
         try {
             if (ctClass.getClassFile().getSuperclass() == null) {
                 return new ReferenceTypeImpl(typeSolver.solveType(Object.class.getCanonicalName()), typeSolver);
             }
             if (ctClass.getGenericSignature() == null) {
                 return new ReferenceTypeImpl(typeSolver.solveType(JavassistUtils.internalNameToCanonicalName(ctClass.getClassFile().getSuperclass())), typeSolver);
             }

             SignatureAttribute.ClassSignature classSignature = SignatureAttribute.toClassSignature(ctClass.getGenericSignature());
             return JavassistUtils.signatureTypeToType(classSignature.getSuperClass(), typeSolver, this).asReferenceType();
         } catch (BadBytecode e) {
             throw new RuntimeException(e);
         }
     }

     @Override
     public List<ResolvedReferenceType> getInterfaces() {
         try {
             if (ctClass.getGenericSignature() == null) {
                 return Arrays.stream(ctClass.getClassFile().getInterfaces())
                         .map(i -> typeSolver.solveType(JavassistUtils.internalNameToCanonicalName(i)))
                         .map(i -> new ReferenceTypeImpl(i, typeSolver))
                         .collect(Collectors.toList());
             } else {
                 SignatureAttribute.ClassSignature classSignature = SignatureAttribute.toClassSignature(ctClass.getGenericSignature());
                 return Arrays.stream(classSignature.getInterfaces())
                         .map(i -> JavassistUtils.signatureTypeToType(i, typeSolver, this).asReferenceType())
                         .collect(Collectors.toList());
             }
         } catch (BadBytecode e) {
             throw new RuntimeException(e);
         }
     }

     @Override
     public boolean isInterface() {
         return ctClass.isInterface();
     }

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

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

     @Override
     public AccessSpecifier accessSpecifier() {
         return JavassistFactory.modifiersToAccessLevel(ctClass.getModifiers());
     }

     @Override
     public List<ResolvedConstructorDeclaration> getConstructors() {
         return javassistTypeDeclarationAdapter.getConstructors();
     }

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

     @Override
     public Set<ResolvedReferenceTypeDeclaration> internalTypes() {
         try {
             /*
             Get all internal types of the current class and get their corresponding ReferenceTypeDeclaration.
             Finally, return them in a Set.
              */
             return Arrays.stream(ctClass.getDeclaredClasses()).map(itype -> JavassistFactory.toTypeDeclaration(itype, typeSolver)).collect(Collectors.toSet());
         } catch (NotFoundException e) {
             throw new RuntimeException(e);
         }
     }

     @Override
     public ResolvedReferenceTypeDeclaration getInternalType(String name) {
         /*
         The name of the ReferenceTypeDeclaration could be composed of the internal class and the outer class, e.g. A$B. That's why we search the internal type in the ending part.
         In case the name is composed of the internal type only, i.e. f.getName() returns B, it will also works.
          */
         Optional<ResolvedReferenceTypeDeclaration> type =
                 this.internalTypes().stream().filter(f -> f.getName().endsWith(name)).findFirst();
         return type.orElseThrow(() ->
                 new UnsolvedSymbolException("Internal type not found: " + name));
     }

     @Override
     public boolean hasInternalType(String name) {
         /*
         The name of the ReferenceTypeDeclaration could be composed of the internal class and the outer class, e.g. A$B. That's why we search the internal type in the ending part.
         In case the name is composed of the internal type only, i.e. f.getName() returns B, it will also works.
          */
         return this.internalTypes().stream().anyMatch(f -> f.getName().endsWith(name));
     }

     @Override
     public Optional<Node> toAst() {
         return Optional.empty();
     }
 }
	/*
	* 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.AccessSpecifier;
	import com.github.javaparser.ast.Node;
	import com.github.javaparser.resolution.MethodUsage;
	import com.github.javaparser.resolution.UnsolvedSymbolException;
	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.core.resolution.Context;
	import com.github.javaparser.symbolsolver.core.resolution.MethodUsageResolutionCapability;
	import com.github.javaparser.symbolsolver.javaparsermodel.LambdaArgumentTypePlaceholder;
	import com.github.javaparser.symbolsolver.logic.AbstractClassDeclaration;
	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 com.github.javaparser.symbolsolver.resolution.MethodResolutionLogic;
	import com.github.javaparser.symbolsolver.resolution.SymbolSolver;
	import javassist.CtClass;
	import javassist.CtField;
	import javassist.CtMethod;
	import javassist.NotFoundException;
	import javassist.bytecode.AccessFlag;
	import javassist.bytecode.BadBytecode;
	import javassist.bytecode.SignatureAttribute;
	import javassist.bytecode.SyntheticAttribute;

	import java.lang.reflect.Modifier;
	import java.util.*;
	import java.util.function.Predicate;
	import java.util.stream.Collectors;

	/**
	* @author Federico Tomassetti
	*/
	public class JavassistClassDeclaration extends AbstractClassDeclaration implements MethodUsageResolutionCapability {

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

	public JavassistClassDeclaration(CtClass ctClass, TypeSolver typeSolver) {
	if (ctClass == null) {
	throw new IllegalArgumentException();
	}
	if (ctClass.isInterface() \|\| ctClass.isAnnotation() \|\| ctClass.isPrimitive() \|\| ctClass.isEnum()) {
	throw new IllegalArgumentException("Trying to instantiate a JavassistClassDeclaration with something which is not a class: " + ctClass.toString());
	}
	this.ctClass = ctClass;
	this.typeSolver = typeSolver;
	this.javassistTypeDeclarationAdapter = new JavassistTypeDeclarationAdapter(ctClass, typeSolver);
	}

	@Override
	protected ResolvedReferenceType object() {
	return new ReferenceTypeImpl(typeSolver.solveType(Object.class.getCanonicalName()), typeSolver);
	}

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

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

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

	@Override
	public boolean equals(Object o) {
	if (this == o) return true;
	if (o == null \|\| getClass() != o.getClass()) return false;

	JavassistClassDeclaration that = (JavassistClassDeclaration) o;

	return ctClass.equals(that.ctClass);
	}

	@Override
	public int hashCode() {
	return ctClass.hashCode();
	}

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

	@Override
	public String getClassName() {
	String className = ctClass.getName().replace('$', '.');
	if (getPackageName() != null) {
	return className.substring(getPackageName().length() + 1);
	}
	return className;
	}

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

	@Deprecated
	public Optional<MethodUsage> solveMethodAsUsage(String name, List<ResolvedType> argumentsTypes,
	Context invokationContext, List<ResolvedType> typeParameterValues) {
	return JavassistUtils.getMethodUsage(ctClass, name, argumentsTypes, typeSolver, getTypeParameters(), typeParameterValues);
	}

	@Deprecated
	public SymbolReference<? extends ResolvedValueDeclaration> solveSymbol(String name, TypeSolver typeSolver) {
	for (CtField field : ctClass.getDeclaredFields()) {
	if (field.getName().equals(name)) {
	return SymbolReference.solved(new JavassistFieldDeclaration(field, typeSolver));
	}
	}

	final String superclassFQN = getSuperclassFQN();
	SymbolReference<? extends ResolvedValueDeclaration> ref = solveSymbolForFQN(name, superclassFQN);
	if (ref.isSolved()) {
	return ref;
	}

	String[] interfaceFQNs = getInterfaceFQNs();
	for (String interfaceFQN : interfaceFQNs) {
	SymbolReference<? extends ResolvedValueDeclaration> interfaceRef = solveSymbolForFQN(name, interfaceFQN);
	if (interfaceRef.isSolved()) {
	return interfaceRef;
	}
	}

	return SymbolReference.unsolved(ResolvedValueDeclaration.class);
	}

	private SymbolReference<? extends ResolvedValueDeclaration> solveSymbolForFQN(String symbolName, String fqn) {
	if (fqn == null) {
	return SymbolReference.unsolved(ResolvedValueDeclaration.class);
	}

	ResolvedReferenceTypeDeclaration fqnTypeDeclaration = typeSolver.solveType(fqn);
	return new SymbolSolver(typeSolver).solveSymbolInType(fqnTypeDeclaration, symbolName);
	}

	private String[] getInterfaceFQNs() {
	return ctClass.getClassFile().getInterfaces();
	}

	private String getSuperclassFQN() {
	return ctClass.getClassFile().getSuperclass();
	}

	@Override
	public List<ResolvedReferenceType> getAncestors(boolean acceptIncompleteList) {
	List<ResolvedReferenceType> ancestors = new ArrayList<>();
	try {
	ResolvedReferenceType superClass = getSuperClass();
	if (superClass != null) {
	ancestors.add(superClass);
	}
	} catch (UnsolvedSymbolException e) {
	if (!acceptIncompleteList) {
	// we only throw an exception if we require a complete list; otherwise, we attempt to continue gracefully
	throw e;
	}
	}
	try {
	ancestors.addAll(getInterfaces());
	} catch (UnsolvedSymbolException e) {
	if (!acceptIncompleteList) {
	// we only throw an exception if we require a complete list; otherwise, we attempt to continue gracefully
	throw e;
	}
	}
	return ancestors;
	}

	@Override
	@Deprecated
	public SymbolReference<ResolvedMethodDeclaration> solveMethod(String name, List<ResolvedType> argumentsTypes, boolean staticOnly) {
	List<ResolvedMethodDeclaration> candidates = new ArrayList<>();
	Predicate<CtMethod> staticOnlyCheck = m -> !staticOnly \|\| (staticOnly && Modifier.isStatic(m.getModifiers()));
	for (CtMethod method : ctClass.getDeclaredMethods()) {
	boolean isSynthetic = method.getMethodInfo().getAttribute(SyntheticAttribute.tag) != null;
	boolean isNotBridge = (method.getMethodInfo().getAccessFlags() & AccessFlag.BRIDGE) == 0;
	if (method.getName().equals(name) && !isSynthetic && isNotBridge && staticOnlyCheck.test(method)) {
	ResolvedMethodDeclaration candidate = new JavassistMethodDeclaration(method, typeSolver);
	candidates.add(candidate);

	// no need to search for overloaded/inherited methods if the method has no parameters
	if (argumentsTypes.isEmpty() && candidate.getNumberOfParams() == 0) {
	return SymbolReference.solved(candidate);
	}
	}
	}

	// add the method declaration of the superclass to the candidates, if present
	SymbolReference<ResolvedMethodDeclaration> superClassMethodRef = MethodResolutionLogic
	.solveMethodInType(getSuperClass().getTypeDeclaration(), name, argumentsTypes, staticOnly);
	if (superClassMethodRef.isSolved()) {
	candidates.add(superClassMethodRef.getCorrespondingDeclaration());
	}

	// add the method declaration of the interfaces to the candidates, if present
	for (ResolvedReferenceType interfaceRef : getInterfaces()) {
	SymbolReference<ResolvedMethodDeclaration> interfaceMethodRef =
	MethodResolutionLogic.solveMethodInType(interfaceRef.getTypeDeclaration(), name, argumentsTypes,
	staticOnly);
	if (interfaceMethodRef.isSolved()) {
	candidates.add(interfaceMethodRef.getCorrespondingDeclaration());
	}
	}

	return MethodResolutionLogic.findMostApplicable(candidates, name, argumentsTypes, typeSolver);
	}

	public ResolvedType getUsage(Node node) {
	return new ReferenceTypeImpl(this, typeSolver);
	}

	@Override
	public boolean isAssignableBy(ResolvedType type) {
	if (type.isNull()) {
	return true;
	}

	if (type instanceof LambdaArgumentTypePlaceholder) {
	return isFunctionalInterface();
	}

	// TODO look into generics
	if (type.describe().equals(this.getQualifiedName())) {
	return true;
	}
	try {
	if (this.ctClass.getSuperclass() != null
	&& new JavassistClassDeclaration(this.ctClass.getSuperclass(), typeSolver).isAssignableBy(type)) {
	return true;
	}
	for (CtClass interfaze : ctClass.getInterfaces()) {
	if (new JavassistInterfaceDeclaration(interfaze, typeSolver).isAssignableBy(type)) {
	return true;
	}
	}
	} catch (NotFoundException e) {
	throw new RuntimeException(e);
	}
	return false;
	}

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

	@Override
	public List<ResolvedFieldDeclaration> getAllFields() {
	return javassistTypeDeclarationAdapter.getDeclaredFields();
	}

	@Override
	public String getName() {
	String[] nameElements = ctClass.getSimpleName().replace('$', '.').split("\\.");
	return nameElements[nameElements.length - 1];
	}

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

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

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

	@Override
	public boolean isClass() {
	return !ctClass.isInterface();
	}

	@Override
	public ResolvedReferenceType getSuperClass() {
	try {
	if (ctClass.getClassFile().getSuperclass() == null) {
	return new ReferenceTypeImpl(typeSolver.solveType(Object.class.getCanonicalName()), typeSolver);
	}
	if (ctClass.getGenericSignature() == null) {
	return new ReferenceTypeImpl(typeSolver.solveType(JavassistUtils.internalNameToCanonicalName(ctClass.getClassFile().getSuperclass())), typeSolver);
	}

	SignatureAttribute.ClassSignature classSignature = SignatureAttribute.toClassSignature(ctClass.getGenericSignature());
	return JavassistUtils.signatureTypeToType(classSignature.getSuperClass(), typeSolver, this).asReferenceType();
	} catch (BadBytecode e) {
	throw new RuntimeException(e);
	}
	}

	@Override
	public List<ResolvedReferenceType> getInterfaces() {
	try {
	if (ctClass.getGenericSignature() == null) {
	return Arrays.stream(ctClass.getClassFile().getInterfaces())
	.map(i -> typeSolver.solveType(JavassistUtils.internalNameToCanonicalName(i)))
	.map(i -> new ReferenceTypeImpl(i, typeSolver))
	.collect(Collectors.toList());
	} else {
	SignatureAttribute.ClassSignature classSignature = SignatureAttribute.toClassSignature(ctClass.getGenericSignature());
	return Arrays.stream(classSignature.getInterfaces())
	.map(i -> JavassistUtils.signatureTypeToType(i, typeSolver, this).asReferenceType())
	.collect(Collectors.toList());
	}
	} catch (BadBytecode e) {
	throw new RuntimeException(e);
	}
	}

	@Override
	public boolean isInterface() {
	return ctClass.isInterface();
	}

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

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

	@Override
	public AccessSpecifier accessSpecifier() {
	return JavassistFactory.modifiersToAccessLevel(ctClass.getModifiers());
	}

	@Override
	public List<ResolvedConstructorDeclaration> getConstructors() {
	return javassistTypeDeclarationAdapter.getConstructors();
	}

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

	@Override
	public Set<ResolvedReferenceTypeDeclaration> internalTypes() {
	try {
	/*
	Get all internal types of the current class and get their corresponding ReferenceTypeDeclaration.
	Finally, return them in a Set.
	*/
	return Arrays.stream(ctClass.getDeclaredClasses()).map(itype -> JavassistFactory.toTypeDeclaration(itype, typeSolver)).collect(Collectors.toSet());
	} catch (NotFoundException e) {
	throw new RuntimeException(e);
	}
	}

	@Override
	public ResolvedReferenceTypeDeclaration getInternalType(String name) {
	/*
	The name of the ReferenceTypeDeclaration could be composed of the internal class and the outer class, e.g. A$B. That's why we search the internal type in the ending part.
	In case the name is composed of the internal type only, i.e. f.getName() returns B, it will also works.
	*/
	Optional<ResolvedReferenceTypeDeclaration> type =
	this.internalTypes().stream().filter(f -> f.getName().endsWith(name)).findFirst();
	return type.orElseThrow(() ->
	new UnsolvedSymbolException("Internal type not found: " + name));
	}

	@Override
	public boolean hasInternalType(String name) {
	/*
	The name of the ReferenceTypeDeclaration could be composed of the internal class and the outer class, e.g. A$B. That's why we search the internal type in the ending part.
	In case the name is composed of the internal type only, i.e. f.getName() returns B, it will also works.
	*/
	return this.internalTypes().stream().anyMatch(f -> f.getName().endsWith(name));
	}

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