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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;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.type.ClassOrInterfaceType;
import com.github.javaparser.resolution.MethodUsage;
import com.github.javaparser.resolution.UnsolvedSymbolException;
import com.github.javaparser.resolution.declarations.ResolvedMethodDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedTypeDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedValueDeclaration;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.symbolsolver.core.resolution.Context;
import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFactory;
import com.github.javaparser.symbolsolver.javaparsermodel.declarations.JavaParserClassDeclaration;
import com.github.javaparser.symbolsolver.javaparsermodel.declarations.JavaParserEnumDeclaration;
import com.github.javaparser.symbolsolver.javaparsermodel.declarations.JavaParserInterfaceDeclaration;
import com.github.javaparser.symbolsolver.javassistmodel.JavassistClassDeclaration;
import com.github.javaparser.symbolsolver.javassistmodel.JavassistEnumDeclaration;
import com.github.javaparser.symbolsolver.javassistmodel.JavassistInterfaceDeclaration;
import com.github.javaparser.symbolsolver.model.resolution.SymbolReference;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import com.github.javaparser.symbolsolver.model.resolution.Value;
import com.github.javaparser.symbolsolver.model.typesystem.ReferenceTypeImpl;
import com.github.javaparser.symbolsolver.reflectionmodel.ReflectionClassDeclaration;
import com.github.javaparser.symbolsolver.reflectionmodel.ReflectionInterfaceDeclaration;
import java.util.List;
import java.util.Optional;
/**
* @author Federico Tomassetti
*/
public class SymbolSolver {
private TypeSolver typeSolver;
public SymbolSolver(TypeSolver typeSolver) {
if (typeSolver == null) throw new IllegalArgumentException();
this.typeSolver = typeSolver;
}
public SymbolReference<? extends ResolvedValueDeclaration> solveSymbol(String name, Context context) {
return context.solveSymbol(name, typeSolver);
}
public SymbolReference<? extends ResolvedValueDeclaration> solveSymbol(String name, Node node) {
return solveSymbol(name, JavaParserFactory.getContext(node, typeSolver));
}
public Optional<Value> solveSymbolAsValue(String name, Context context) {
return context.solveSymbolAsValue(name, typeSolver);
}
public Optional<Value> solveSymbolAsValue(String name, Node node) {
Context context = JavaParserFactory.getContext(node, typeSolver);
return solveSymbolAsValue(name, context);
}
public SymbolReference<? extends ResolvedTypeDeclaration> solveType(String name, Context context) {
return context.solveType(name, typeSolver);
}
public SymbolReference<? extends ResolvedTypeDeclaration> solveType(String name, Node node) {
return solveType(name, JavaParserFactory.getContext(node, typeSolver));
}
public MethodUsage solveMethod(String methodName, List<ResolvedType> argumentsTypes, Context context) {
SymbolReference<ResolvedMethodDeclaration> decl = context.solveMethod(methodName, argumentsTypes, false, typeSolver);
if (!decl.isSolved()) {
throw new UnsolvedSymbolException(context.toString(), methodName);
}
return new MethodUsage(decl.getCorrespondingDeclaration());
}
public MethodUsage solveMethod(String methodName, List<ResolvedType> argumentsTypes, Node node) {
return solveMethod(methodName, argumentsTypes, JavaParserFactory.getContext(node, typeSolver));
}
public ResolvedTypeDeclaration solveType(com.github.javaparser.ast.type.Type type) {
if (type instanceof ClassOrInterfaceType) {
// FIXME should call typesolver here!
String name = ((ClassOrInterfaceType) type).getName().getId();
SymbolReference<ResolvedTypeDeclaration> ref = JavaParserFactory.getContext(type, typeSolver).solveType(name, typeSolver);
if (!ref.isSolved()) {
throw new UnsolvedSymbolException(JavaParserFactory.getContext(type, typeSolver).toString(), name);
}
return ref.getCorrespondingDeclaration();
} else {
throw new UnsupportedOperationException(type.getClass().getCanonicalName());
}
}
public ResolvedType solveTypeUsage(String name, Context context) {
Optional<ResolvedType> genericType = context.solveGenericType(name, typeSolver);
if (genericType.isPresent()) {
return genericType.get();
}
ResolvedReferenceTypeDeclaration typeDeclaration = typeSolver.solveType(name);
return new ReferenceTypeImpl(typeDeclaration, typeSolver);
}
/**
* Solve any possible visible symbols including: fields, internal types, type variables, the type itself or its
* containers.
* <p>
* It should contain its own private fields but not inherited private fields.
*/
public SymbolReference<? extends ResolvedValueDeclaration> solveSymbolInType(ResolvedTypeDeclaration typeDeclaration, String name) {
if (typeDeclaration instanceof JavaParserClassDeclaration) {
Context ctx = ((JavaParserClassDeclaration) typeDeclaration).getContext();
return ctx.solveSymbol(name, typeSolver);
}
if (typeDeclaration instanceof JavaParserInterfaceDeclaration) {
Context ctx = ((JavaParserInterfaceDeclaration) typeDeclaration).getContext();
return ctx.solveSymbol(name, typeSolver);
}
if (typeDeclaration instanceof JavaParserEnumDeclaration) {
Context ctx = ((JavaParserEnumDeclaration) typeDeclaration).getContext();
return ctx.solveSymbol(name, typeSolver);
}
if (typeDeclaration instanceof ReflectionClassDeclaration) {
return ((ReflectionClassDeclaration) typeDeclaration).solveSymbol(name, typeSolver);
}
if (typeDeclaration instanceof ReflectionInterfaceDeclaration) {
return ((ReflectionInterfaceDeclaration) typeDeclaration).solveSymbol(name, typeSolver);
}
if (typeDeclaration instanceof JavassistClassDeclaration) {
return ((JavassistClassDeclaration) typeDeclaration).solveSymbol(name, typeSolver);
}
if (typeDeclaration instanceof JavassistEnumDeclaration) {
return ((JavassistEnumDeclaration) typeDeclaration).solveSymbol(name, typeSolver);
}
if (typeDeclaration instanceof JavassistInterfaceDeclaration) {
return ((JavassistInterfaceDeclaration) typeDeclaration).solveSymbol(name, typeSolver);
}
return SymbolReference.unsolved(ResolvedValueDeclaration.class);
}
/**
* Try to solve a symbol just in the declaration, it does not delegate to the container.
*/
@Deprecated
public SymbolReference<ResolvedTypeDeclaration> solveTypeInType(ResolvedTypeDeclaration typeDeclaration, String name) {
if (typeDeclaration instanceof JavaParserClassDeclaration) {
return ((JavaParserClassDeclaration) typeDeclaration).solveType(name, typeSolver);
}
if (typeDeclaration instanceof JavaParserInterfaceDeclaration) {
return ((JavaParserInterfaceDeclaration) typeDeclaration).solveType(name, typeSolver);
}
return SymbolReference.unsolved(ResolvedReferenceTypeDeclaration.class);
}
}
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