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package com.github.javaparser.symbolsolver.javaparsermodel.declarations;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.NodeList;
import com.github.javaparser.ast.body.BodyDeclaration;
import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration;
import com.github.javaparser.ast.body.EnumDeclaration;
import com.github.javaparser.ast.body.VariableDeclarator;
import com.github.javaparser.ast.nodeTypes.NodeWithMembers;
import com.github.javaparser.ast.nodeTypes.NodeWithSimpleName;
import com.github.javaparser.ast.nodeTypes.NodeWithTypeParameters;
import com.github.javaparser.ast.type.TypeParameter;
import com.github.javaparser.resolution.declarations.ResolvedFieldDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedTypeDeclaration;
import com.github.javaparser.resolution.types.ResolvedReferenceType;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFactory;
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.SymbolSolver;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import static com.github.javaparser.symbolsolver.javaparser.Navigator.getParentNode;
/**
* @author Federico Tomassetti
*/
public class JavaParserTypeAdapter<T extends Node & NodeWithSimpleName<T> & NodeWithMembers<T>> {
private T wrappedNode;
private TypeSolver typeSolver;
public JavaParserTypeAdapter(T wrappedNode, TypeSolver typeSolver) {
this.wrappedNode = wrappedNode;
this.typeSolver = typeSolver;
}
public String getPackageName() {
return Helper.getPackageName(wrappedNode);
}
public String getClassName() {
return Helper.getClassName("", wrappedNode);
}
public String getQualifiedName() {
String containerName = Helper.containerName(getParentNode(wrappedNode));
if (containerName.isEmpty()) {
return wrappedNode.getName().getId();
} else {
return containerName + "." + wrappedNode.getName().getId();
}
}
public boolean isAssignableBy(ResolvedReferenceTypeDeclaration other) {
List<ResolvedReferenceType> ancestorsOfOther = other.getAllAncestors();
ancestorsOfOther.add(new ReferenceTypeImpl(other, typeSolver));
for (ResolvedReferenceType ancestorOfOther : ancestorsOfOther) {
if (ancestorOfOther.getQualifiedName().equals(this.getQualifiedName())) {
return true;
}
}
return false;
}
public boolean isAssignableBy(ResolvedType type) {
if (type.isNull()) {
return true;
}
if (type.isReferenceType()) {
ResolvedReferenceTypeDeclaration other = typeSolver.solveType(type.describe());
return isAssignableBy(other);
} else {
throw new UnsupportedOperationException();
}
}
public SymbolReference<ResolvedTypeDeclaration> solveType(String name, TypeSolver typeSolver) {
if(wrappedNode instanceof NodeWithTypeParameters<?>) {
NodeList<TypeParameter> typeParameters = ((NodeWithTypeParameters<?>) wrappedNode).getTypeParameters();
for (com.github.javaparser.ast.type.TypeParameter typeParameter : typeParameters) {
if (typeParameter.getName().getId().equals(name)) {
return SymbolReference.solved(new JavaParserTypeVariableDeclaration(typeParameter, typeSolver));
}
}
}
// Internal classes
for (BodyDeclaration<?> member : this.wrappedNode.getMembers()) {
if (member instanceof com.github.javaparser.ast.body.TypeDeclaration) {
com.github.javaparser.ast.body.TypeDeclaration<?> internalType = (com.github.javaparser.ast.body.TypeDeclaration<?>) member;
String prefix = internalType.getName() + ".";
if (internalType.getName().getId().equals(name)) {
if (internalType instanceof ClassOrInterfaceDeclaration) {
return SymbolReference.solved(new JavaParserClassDeclaration((com.github.javaparser.ast.body.ClassOrInterfaceDeclaration) internalType, typeSolver));
} else if (internalType instanceof EnumDeclaration) {
return SymbolReference.solved(new JavaParserEnumDeclaration((com.github.javaparser.ast.body.EnumDeclaration) internalType, typeSolver));
} else {
throw new UnsupportedOperationException();
}
} else if (name.startsWith(prefix) && name.length() > prefix.length()) {
if (internalType instanceof ClassOrInterfaceDeclaration) {
return new JavaParserClassDeclaration((com.github.javaparser.ast.body.ClassOrInterfaceDeclaration) internalType, typeSolver).solveType(name.substring(prefix.length()), typeSolver);
} else if (internalType instanceof EnumDeclaration) {
return new SymbolSolver(typeSolver).solveTypeInType(new JavaParserEnumDeclaration((com.github.javaparser.ast.body.EnumDeclaration) internalType, typeSolver), name.substring(prefix.length()));
} else {
throw new UnsupportedOperationException();
}
}
}
}
return SymbolReference.unsolved(ResolvedTypeDeclaration.class);
}
public Optional<ResolvedReferenceTypeDeclaration> containerType() {
return wrappedNode
.getParentNode()
.map(node -> JavaParserFactory.toTypeDeclaration(node, typeSolver));
}
public List<ResolvedFieldDeclaration> getFieldsForDeclaredVariables() {
List<ResolvedFieldDeclaration> fields = new ArrayList<>();
if (wrappedNode.getMembers() != null) {
for (BodyDeclaration<?> member : this.wrappedNode.getMembers()) {
if (member instanceof com.github.javaparser.ast.body.FieldDeclaration) {
com.github.javaparser.ast.body.FieldDeclaration field = (com.github.javaparser.ast.body.FieldDeclaration) member;
for (VariableDeclarator vd : field.getVariables()) {
fields.add(new JavaParserFieldDeclaration(vd, typeSolver));
}
}
}
}
return fields;
}
}
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