/*******************************************************************************
* Copyright (c) 1998 - 2014, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.jaxb.javamodel.reflection;
import org.eclipse.persistence.internal.security.PrivilegedAccessHelper;
import org.eclipse.persistence.jaxb.javamodel.JavaAnnotation;
import org.eclipse.persistence.jaxb.javamodel.JavaClass;
import org.eclipse.persistence.jaxb.javamodel.JavaMethod;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collection;
/**
* INTERNAL:
* <p><b>Purpose:</b>A wrapper for a JDK Method. This implementation
* of the EclipseLink JAXB 2.X Java model simply makes reflective calls on the
* underlying JDK object.
*
* <p><b>Responsibilities:</b>
* <ul>
* <li>Provide access to the underlying method's name, parameters,
* modifiers, annotations, etc.</li>
* </ul>
*
* @since Oracle TopLink 11.1.1.0.0
* @see org.eclipse.persistence.jaxb.javamodel.JavaMethod
* @see java.lang.reflect.Method
*/
public class JavaMethodImpl implements JavaMethod {
protected Method jMethod;
private JavaModelImpl javaModelImpl;
protected boolean isMetadataComplete;
public JavaMethodImpl(Method javaMethod, JavaModelImpl javaModelImpl) {
this(javaMethod, javaModelImpl, false);
}
public JavaMethodImpl(Method javaMethod, JavaModelImpl javaModelImpl, Boolean isMetadataComplete) {
this.jMethod = javaMethod;
this.javaModelImpl = javaModelImpl;
if(isMetadataComplete != null){
this.isMetadataComplete = isMetadataComplete;
}
}
public Collection getActualTypeArguments() {
ArrayList<JavaClass> argCollection = new ArrayList<JavaClass>();
Type[] params = jMethod.getGenericParameterTypes();
for (Type type : params) {
if (type instanceof ParameterizedType) {
ParameterizedType pType = (ParameterizedType) type;
argCollection.add(new JavaClassImpl(pType, pType.getClass(), javaModelImpl));
} else if (type instanceof Class) {
argCollection.add(javaModelImpl.getClass((Class) type));
}
}
return argCollection;
}
public JavaAnnotation getAnnotation(JavaClass arg0) {
if (arg0 != null && !isMetadataComplete) {
Class annotationClass = ((JavaClassImpl) arg0).getJavaClass();
Annotation anno = javaModelImpl.getAnnotationHelper().getAnnotation(getAnnotatedElement(), annotationClass);
if (anno != null) {
return new JavaAnnotationImpl(anno);
}
}
return null;
}
public Collection getAnnotations() {
ArrayList<JavaAnnotation> annotationCollection = new ArrayList<JavaAnnotation>();
if (!isMetadataComplete) {
Annotation[] annotations = javaModelImpl.getAnnotationHelper().getAnnotations(getAnnotatedElement());
for (Annotation annotation : annotations) {
annotationCollection.add(new JavaAnnotationImpl(annotation));
}
}
return annotationCollection;
}
public String getName() {
return jMethod.getName();
}
public JavaClass[] getParameterTypes() {
Class[] params = PrivilegedAccessHelper.getMethodParameterTypes(jMethod);
JavaClass[] paramArray = new JavaClass[params.length];
for (int i=0; i<params.length; i++) {
paramArray[i] = javaModelImpl.getClass(params[i]);
}
return paramArray;
}
public JavaClass getResolvedType() {
Class returnType = PrivilegedAccessHelper.getMethodReturnType(jMethod);
return javaModelImpl.getClass(returnType);
}
public JavaClass getReturnType() {
Type type = jMethod.getGenericReturnType();
Class returnType = PrivilegedAccessHelper.getMethodReturnType(jMethod);
if (type instanceof ParameterizedType) {
ParameterizedType pType = (ParameterizedType) type;
return new JavaClassImpl(pType, returnType, javaModelImpl);
}
return javaModelImpl.getClass(returnType);
}
public boolean hasActualTypeArguments() {
Type[] params = jMethod.getGenericParameterTypes();
for (Type type : params) {
if (type instanceof ParameterizedType) {
return true;
}
}
return false;
}
public int getModifiers() {
return jMethod.getModifiers();
}
public JavaClass getOwningClass() {
return javaModelImpl.getClass(jMethod.getDeclaringClass());
}
public AnnotatedElement getAnnotatedElement() {
return jMethod;
}
public boolean isAbstract() {
return Modifier.isAbstract(getModifiers());
}
public boolean isPrivate() {
return Modifier.isPrivate(getModifiers());
}
public boolean isProtected() {
return Modifier.isProtected(getModifiers());
}
public boolean isPublic() {
return Modifier.isPublic(getModifiers());
}
public boolean isStatic() {
return Modifier.isStatic(getModifiers());
}
public boolean isFinal() {
return Modifier.isFinal(getModifiers());
}
public boolean isSynthetic() {
return jMethod.isSynthetic();
}
@Override
public boolean isBridge() {
return jMethod.isBridge();
}
// ---------------- unimplemented methods ----------------//
public JavaAnnotation getDeclaredAnnotation(JavaClass arg0) {
return null;
}
public Collection getDeclaredAnnotations() {
return null;
}
}