1 files changed, 344 insertions, 0 deletions
diff --git a/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/reflectionmodel/ReflectionClassDeclaration.java b/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/reflectionmodel/ReflectionClassDeclaration.java
new file mode 100644
index 000000000..a93353c94
--- /dev/null
+++ b/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/reflectionmodel/ReflectionClassDeclaration.java
@@ -0,0 +1,344 @@
+/*
+ * 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.reflectionmodel;
+
+import com.github.javaparser.ast.AccessSpecifier;
+import com.github.javaparser.ast.Node;
+import com.github.javaparser.resolution.MethodUsage;
+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.javaparsermodel.LambdaArgumentTypePlaceholder;
+import com.github.javaparser.symbolsolver.javaparsermodel.contexts.ContextHelper;
+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.reflectionmodel.comparators.MethodComparator;
+import com.github.javaparser.symbolsolver.resolution.MethodResolutionLogic;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.*;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+/**
+ * @author Federico Tomassetti
+ */
+public class ReflectionClassDeclaration extends AbstractClassDeclaration {
+
+    ///
+    /// Fields
+    ///
+
+    private Class<?> clazz;
+    private TypeSolver typeSolver;
+    private ReflectionClassAdapter reflectionClassAdapter;
+
+    ///
+    /// Constructors
+    ///
+
+    public ReflectionClassDeclaration(Class<?> clazz, TypeSolver typeSolver) {
+        if (clazz == null) {
+            throw new IllegalArgumentException("Class should not be null");
+        }
+        if (clazz.isInterface()) {
+            throw new IllegalArgumentException("Class should not be an interface");
+        }
+        if (clazz.isPrimitive()) {
+            throw new IllegalArgumentException("Class should not represent a primitive class");
+        }
+        if (clazz.isArray()) {
+            throw new IllegalArgumentException("Class should not be an array");
+        }
+        if (clazz.isEnum()) {
+            throw new IllegalArgumentException("Class should not be an enum");
+        }
+        this.clazz = clazz;
+        this.typeSolver = typeSolver;
+        this.reflectionClassAdapter = new ReflectionClassAdapter(clazz, typeSolver, this);
+    }
+
+    ///
+    /// Public methods
+    ///
+
+    @Override
+    public Set<ResolvedMethodDeclaration> getDeclaredMethods() {
+        return reflectionClassAdapter.getDeclaredMethods();
+    }
+
+    @Override
+    public List<ResolvedReferenceType> getAncestors() {
+        return reflectionClassAdapter.getAncestors();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        ReflectionClassDeclaration that = (ReflectionClassDeclaration) o;
+
+        if (!clazz.getCanonicalName().equals(that.clazz.getCanonicalName())) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        return clazz.hashCode();
+    }
+
+
+    @Override
+    public String getPackageName() {
+        if (clazz.getPackage() != null) {
+            return clazz.getPackage().getName();
+        }
+        return null;
+    }
+
+    @Override
+    public String getClassName() {
+        String canonicalName = clazz.getCanonicalName();
+        if (canonicalName != null && getPackageName() != null) {
+            return canonicalName.substring(getPackageName().length() + 1, canonicalName.length());
+        }
+        return null;
+    }
+
+    @Override
+    public String getQualifiedName() {
+        return clazz.getCanonicalName();
+    }
+
+    @Deprecated
+    public SymbolReference<ResolvedMethodDeclaration> solveMethod(String name, List<ResolvedType> argumentsTypes, boolean staticOnly) {
+        List<ResolvedMethodDeclaration> methods = new ArrayList<>();
+        Predicate<Method> staticFilter = m -> !staticOnly || (staticOnly && Modifier.isStatic(m.getModifiers()));
+        for (Method method : Arrays.stream(clazz.getDeclaredMethods()).filter((m) -> m.getName().equals(name)).filter(staticFilter)
+                                    .sorted(new MethodComparator()).collect(Collectors.toList())) {
+            if (method.isBridge() || method.isSynthetic()) continue;
+            ResolvedMethodDeclaration methodDeclaration = new ReflectionMethodDeclaration(method, typeSolver);
+            methods.add(methodDeclaration);
+        }
+        if (getSuperClass() != null) {
+            ResolvedClassDeclaration superClass = (ResolvedClassDeclaration) getSuperClass().getTypeDeclaration();
+            SymbolReference<ResolvedMethodDeclaration> ref = MethodResolutionLogic.solveMethodInType(superClass, name, argumentsTypes, staticOnly, typeSolver);
+            if (ref.isSolved()) {
+                methods.add(ref.getCorrespondingDeclaration());
+            }
+        }
+        for (ResolvedReferenceType interfaceDeclaration : getInterfaces()) {
+            SymbolReference<ResolvedMethodDeclaration> ref = MethodResolutionLogic.solveMethodInType(interfaceDeclaration.getTypeDeclaration(), name, argumentsTypes, staticOnly, typeSolver);
+            if (ref.isSolved()) {
+                methods.add(ref.getCorrespondingDeclaration());
+            }
+        }
+        return MethodResolutionLogic.findMostApplicable(methods, name, argumentsTypes, typeSolver);
+    }
+
+    @Override
+    public String toString() {
+        return "ReflectionClassDeclaration{" +
+                "clazz=" + getId() +
+                '}';
+    }
+
+    public ResolvedType getUsage(Node node) {
+
+        return new ReferenceTypeImpl(this, typeSolver);
+    }
+
+    public Optional<MethodUsage> solveMethodAsUsage(String name, List<ResolvedType> argumentsTypes, TypeSolver typeSolver, Context invokationContext, List<ResolvedType> typeParameterValues) {
+        List<MethodUsage> methods = new ArrayList<>();
+        for (Method method : Arrays.stream(clazz.getDeclaredMethods()).filter((m) -> m.getName().equals(name)).sorted(new MethodComparator()).collect(Collectors.toList())) {
+            if (method.isBridge() || method.isSynthetic()) continue;
+            ResolvedMethodDeclaration methodDeclaration = new ReflectionMethodDeclaration(method, typeSolver);
+            MethodUsage methodUsage = new MethodUsage(methodDeclaration);
+            for (int i = 0; i < getTypeParameters().size() && i < typeParameterValues.size(); i++) {
+                ResolvedTypeParameterDeclaration tpToReplace = getTypeParameters().get(i);
+                ResolvedType newValue = typeParameterValues.get(i);
+                methodUsage = methodUsage.replaceTypeParameter(tpToReplace, newValue);
+            }
+            methods.add(methodUsage);
+        }
+        if (getSuperClass() != null) {
+            ResolvedClassDeclaration superClass = (ResolvedClassDeclaration) getSuperClass().getTypeDeclaration();
+            Optional<MethodUsage> ref = ContextHelper.solveMethodAsUsage(superClass, name, argumentsTypes, typeSolver, invokationContext, typeParameterValues);
+            if (ref.isPresent()) {
+                methods.add(ref.get());
+            }
+        }
+        for (ResolvedReferenceType interfaceDeclaration : getInterfaces()) {
+            Optional<MethodUsage> ref = ContextHelper.solveMethodAsUsage(interfaceDeclaration.getTypeDeclaration(), name, argumentsTypes, typeSolver, invokationContext, typeParameterValues);
+            if (ref.isPresent()) {
+                methods.add(ref.get());
+            }
+        }
+        Optional<MethodUsage> ref = MethodResolutionLogic.findMostApplicableUsage(methods, name, argumentsTypes, typeSolver);
+        return ref;
+    }
+
+    @Override
+    public boolean canBeAssignedTo(ResolvedReferenceTypeDeclaration other) {
+        if (other instanceof LambdaArgumentTypePlaceholder) {
+            return isFunctionalInterface();
+        }
+        if (other.getQualifiedName().equals(getQualifiedName())) {
+            return true;
+        }
+        if (this.clazz.getSuperclass() != null
+                && new ReflectionClassDeclaration(clazz.getSuperclass(), typeSolver).canBeAssignedTo(other)) {
+            return true;
+        }
+        for (Class<?> interfaze : clazz.getInterfaces()) {
+            if (new ReflectionInterfaceDeclaration(interfaze, typeSolver).canBeAssignedTo(other)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean isAssignableBy(ResolvedType type) {
+        return reflectionClassAdapter.isAssignableBy(type);
+    }
+
+    @Override
+    public boolean isTypeParameter() {
+        return false;
+    }
+
+    @Override
+    public ResolvedFieldDeclaration getField(String name) {
+        return reflectionClassAdapter.getField(name);
+    }
+
+    @Override
+    public List<ResolvedFieldDeclaration> getAllFields() {
+        return reflectionClassAdapter.getAllFields();
+    }
+
+    @Deprecated
+    public SymbolReference<? extends ResolvedValueDeclaration> solveSymbol(String name, TypeSolver typeSolver) {
+        for (Field field : clazz.getFields()) {
+            if (field.getName().equals(name)) {
+                return SymbolReference.solved(new ReflectionFieldDeclaration(field, typeSolver));
+            }
+        }
+        return SymbolReference.unsolved(ResolvedValueDeclaration.class);
+    }
+
+    @Override
+    public boolean hasDirectlyAnnotation(String canonicalName) {
+        return reflectionClassAdapter.hasDirectlyAnnotation(canonicalName);
+    }
+
+    @Override
+    public boolean hasField(String name) {
+        return reflectionClassAdapter.hasField(name);
+    }
+
+    @Override
+    public boolean isAssignableBy(ResolvedReferenceTypeDeclaration other) {
+        return isAssignableBy(new ReferenceTypeImpl(other, typeSolver));
+    }
+
+    @Override
+    public String getName() {
+        return clazz.getSimpleName();
+    }
+
+    @Override
+    public boolean isField() {
+        return false;
+    }
+
+    @Override
+    public boolean isParameter() {
+        return false;
+    }
+
+    @Override
+    public boolean isType() {
+        return true;
+    }
+
+    @Override
+    public boolean isClass() {
+        return !clazz.isInterface();
+    }
+
+    @Override
+    public ReferenceTypeImpl getSuperClass() {
+        return reflectionClassAdapter.getSuperClass();
+    }
+
+    @Override
+    public List<ResolvedReferenceType> getInterfaces() {
+        return reflectionClassAdapter.getInterfaces();
+    }
+
+    @Override
+    public boolean isInterface() {
+        return clazz.isInterface();
+    }
+
+    @Override
+    public List<ResolvedTypeParameterDeclaration> getTypeParameters() {
+        return reflectionClassAdapter.getTypeParameters();
+    }
+
+    @Override
+    public AccessSpecifier accessSpecifier() {
+        return ReflectionFactory.modifiersToAccessLevel(this.clazz.getModifiers());
+    }
+
+    @Override
+    public List<ResolvedConstructorDeclaration> getConstructors() {
+        return reflectionClassAdapter.getConstructors();
+    }
+
+    @Override
+    public Optional<ResolvedReferenceTypeDeclaration> containerType() {
+        return reflectionClassAdapter.containerType();
+    }
+    
+    @Override
+    public Set<ResolvedReferenceTypeDeclaration> internalTypes() {
+        return Arrays.stream(this.clazz.getDeclaredClasses())
+                .map(ic -> ReflectionFactory.typeDeclarationFor(ic, typeSolver))
+                .collect(Collectors.toSet());
+    }
+
+    ///
+    /// Protected methods
+    ///
+
+    @Override
+    protected ResolvedReferenceType object() {
+        return new ReferenceTypeImpl(typeSolver.solveType(Object.class.getCanonicalName()), typeSolver);
+    }
+
+}