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JavaParserInterfaceDeclaration.java
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JavaParserInterfaceDeclaration.java
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package me.tomassetti.symbolsolver.javaparsermodel.declarations;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.PackageDeclaration;
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.type.ClassOrInterfaceType;
import me.tomassetti.symbolsolver.logic.AbstractTypeDeclaration;
import me.tomassetti.symbolsolver.model.declarations.*;
import me.tomassetti.symbolsolver.core.resolution.Context;
import me.tomassetti.symbolsolver.model.resolution.SymbolReference;
import me.tomassetti.symbolsolver.model.declarations.TypeParameterDeclaration;
import me.tomassetti.symbolsolver.model.resolution.TypeSolver;
import me.tomassetti.symbolsolver.model.usages.typesystem.ReferenceType;
import me.tomassetti.symbolsolver.model.usages.typesystem.ReferenceTypeImpl;
import me.tomassetti.symbolsolver.model.usages.typesystem.Type;
import me.tomassetti.symbolsolver.resolution.*;
import me.tomassetti.symbolsolver.javaparsermodel.JavaParserFactory;
import me.tomassetti.symbolsolver.javaparsermodel.UnsolvedSymbolException;
import java.util.*;
import java.util.stream.Collectors;
public class JavaParserInterfaceDeclaration extends AbstractTypeDeclaration implements InterfaceDeclaration {
private TypeSolver typeSolver;
private ClassOrInterfaceDeclaration wrappedNode;
public JavaParserInterfaceDeclaration(ClassOrInterfaceDeclaration wrappedNode, TypeSolver typeSolver) {
if (!wrappedNode.isInterface()) {
throw new IllegalArgumentException();
}
this.wrappedNode = wrappedNode;
this.typeSolver = typeSolver;
}
@Override
public Set<MethodDeclaration> getDeclaredMethods() {
Set<MethodDeclaration> methods = new HashSet<>();
for (BodyDeclaration member : wrappedNode.getMembers()) {
if (member instanceof com.github.javaparser.ast.body.MethodDeclaration) {
methods.add(new JavaParserMethodDeclaration((com.github.javaparser.ast.body.MethodDeclaration)member, typeSolver));
}
}
return methods;
}
public Context getContext() {
return JavaParserFactory.getContext(wrappedNode, typeSolver);
}
public Type getUsage(Node node) {
throw new UnsupportedOperationException();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
JavaParserInterfaceDeclaration that = (JavaParserInterfaceDeclaration) o;
if (!wrappedNode.equals(that.wrappedNode)) return false;
return true;
}
@Override
public int hashCode() {
return wrappedNode.hashCode();
}
@Override
public String getName() {
return wrappedNode.getName();
}
@Override
public InterfaceDeclaration asInterface() {
return this;
}
@Override
public boolean hasDirectlyAnnotation(String canonicalName) {
throw new UnsupportedOperationException();
}
@Override
public boolean isInterface() {
return true;
}
@Override
public List<ReferenceType> getInterfacesExtended() {
List<ReferenceType> interfaces = new ArrayList<>();
if (wrappedNode.getImplements() != null) {
for (ClassOrInterfaceType t : wrappedNode.getImplements()) {
interfaces.add(new ReferenceTypeImpl(solveType(t.getName(), typeSolver).getCorrespondingDeclaration().asInterface(), typeSolver));
}
}
return interfaces;
}
@Override
public String getQualifiedName() {
String containerName = containerName("", wrappedNode.getParentNode());
if (containerName.isEmpty()) {
return wrappedNode.getName();
} else {
return containerName + "." + wrappedNode.getName();
}
}
@Override
public boolean isAssignableBy(TypeDeclaration other) {
List<ReferenceType> ancestorsOfOther = other.getAllAncestors();
ancestorsOfOther.add(new ReferenceTypeImpl(other, typeSolver));
for (ReferenceType ancestorOfOther : ancestorsOfOther) {
if (ancestorOfOther.getQualifiedName().equals(this.getQualifiedName())) {
return true;
}
}
return false;
}
private String containerName(String base, Node container) {
if (container instanceof ClassOrInterfaceDeclaration) {
String b = containerName(base, container.getParentNode());
String cn = ((ClassOrInterfaceDeclaration) container).getName();
if (b.isEmpty()) {
return cn;
} else {
return b + "." + cn;
}
} else if (container instanceof CompilationUnit) {
PackageDeclaration p = ((CompilationUnit) container).getPackage();
if (p != null) {
String b = p.getName().toString();
if (base.isEmpty()) {
return b;
} else {
return b + "." + base;
}
} else {
return base;
}
} else if (container != null) {
return containerName(base, container.getParentNode());
} else {
return base;
}
}
@Override
public boolean isAssignableBy(Type type) {
if (type.isNull()) {
return true;
}
if (type.isReferenceType()) {
TypeDeclaration other = typeSolver.solveType(type.describe());
return isAssignableBy(other);
} else {
throw new UnsupportedOperationException();
}
}
@Override
public boolean canBeAssignedTo(TypeDeclaration other) {
// TODO consider generic types
if (this.getQualifiedName().equals(other.getQualifiedName())) {
return true;
}
if (this.wrappedNode.getExtends() != null) {
for (ClassOrInterfaceType type : wrappedNode.getExtends()) {
TypeDeclaration ancestor = new SymbolSolver(typeSolver).solveType(type);
if (ancestor.canBeAssignedTo(other)) {
return true;
}
}
}
if (this.wrappedNode.getImplements() != null) {
for (ClassOrInterfaceType type : wrappedNode.getImplements()) {
TypeDeclaration ancestor = new SymbolSolver(typeSolver).solveType(type);
if (ancestor.canBeAssignedTo(other)) {
return true;
}
}
}
return false;
}
@Override
public boolean isTypeVariable() {
return false;
}
@Override
public FieldDeclaration getField(String name) {
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()) {
if (vd.getId().getName().equals(name)) {
return new JavaParserFieldDeclaration(vd, typeSolver);
}
}
}
}
throw new UnsupportedOperationException("Derived fields");
}
@Override
public List<FieldDeclaration> getAllFields() {
ArrayList<FieldDeclaration> fields = new ArrayList<>();
for (BodyDeclaration member : 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;
}
@Override
public String toString() {
return "JavaParserInterfaceDeclaration{" +
"wrappedNode=" + wrappedNode +
'}';
}
@Override
public boolean hasField(String name) {
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()) {
if (vd.getId().getName().equals(name)) {
return true;
}
}
}
}
throw new UnsupportedOperationException("Derived fields");
}
@Override
public SymbolReference<TypeDeclaration> solveType(String name, TypeSolver typeSolver) {
if (this.wrappedNode.getName().equals(name)) {
return SymbolReference.solved(this);
}
if (this.wrappedNode.getTypeParameters() != null) {
for (com.github.javaparser.ast.TypeParameter typeParameter : this.wrappedNode.getTypeParameters()) {
if (typeParameter.getName().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().equals(name)) {
if (internalType instanceof ClassOrInterfaceDeclaration) {
return SymbolReference.solved(new JavaParserInterfaceDeclaration((ClassOrInterfaceDeclaration) internalType, typeSolver));
} else if (internalType instanceof EnumDeclaration) {
return SymbolReference.solved(new JavaParserEnumDeclaration((EnumDeclaration) internalType, typeSolver));
} else {
throw new UnsupportedOperationException();
}
} else if (name.startsWith(prefix) && name.length() > prefix.length()) {
if (internalType instanceof ClassOrInterfaceDeclaration) {
return new JavaParserInterfaceDeclaration((ClassOrInterfaceDeclaration) internalType, typeSolver).solveType(name.substring(prefix.length()), typeSolver);
} else if (internalType instanceof EnumDeclaration) {
return new JavaParserEnumDeclaration((EnumDeclaration) internalType, typeSolver).solveType(name.substring(prefix.length()), typeSolver);
} else {
throw new UnsupportedOperationException();
}
}
}
}
String prefix = wrappedNode.getName() + ".";
if (name.startsWith(prefix) && name.length() > prefix.length()) {
return new JavaParserInterfaceDeclaration(this.wrappedNode, typeSolver).solveType(name.substring(prefix.length()), typeSolver);
}
return getContext().getParent().solveType(name, typeSolver);
}
@Override
public List<ReferenceType> getAncestors() {
List<ReferenceType> ancestors = new ArrayList<>();
if (wrappedNode.getExtends() != null) {
for (ClassOrInterfaceType extended : wrappedNode.getExtends()) {
SymbolReference<TypeDeclaration> ancestor = solveType(extended.getName(), typeSolver);
if (!ancestor.isSolved()) {
throw new UnsolvedSymbolException(extended.getName());
}
ancestors.add(new ReferenceTypeImpl(ancestor.getCorrespondingDeclaration(), typeSolver));
}
}
if (wrappedNode.getImplements() != null) {
for (ClassOrInterfaceType implemented : wrappedNode.getImplements()) {
SymbolReference<TypeDeclaration> ancestor = solveType(implemented.getName(), typeSolver);
if (!ancestor.isSolved()) {
throw new UnsolvedSymbolException(implemented.getName());
}
ancestors.add(new ReferenceTypeImpl(ancestor.getCorrespondingDeclaration(), typeSolver));
}
}
return ancestors;
}
@Override
public List<TypeParameterDeclaration> getTypeParameters() {
if (this.wrappedNode.getTypeParameters() == null) {
return Collections.emptyList();
} else {
return this.wrappedNode.getTypeParameters().stream().map(
(tp) -> new JavaParserTypeParameter(tp, typeSolver)
).collect(Collectors.toList());
}
}
@Override
protected TypeSolver typeSolver() {
return typeSolver;
}
/**
* Returns the JavaParser node associated with this JavaParserInterfaceDeclaration.
*
* @return A visitable JavaParser node wrapped by this object.
*/
public ClassOrInterfaceDeclaration getWrappedNode()
{
return wrappedNode;
}
@Override
public AccessLevel accessLevel() {
throw new UnsupportedOperationException();
}
}