| /* |
| * Copyright (c) 2012, 2020 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Matt MacIvor - 2.4 - Initial Implementation |
| package org.eclipse.persistence.internal.jaxb; |
| |
| import java.lang.reflect.Method; |
| |
| import org.eclipse.persistence.exceptions.DescriptorException; |
| import org.eclipse.persistence.exceptions.JAXBException; |
| import org.eclipse.persistence.internal.security.PrivilegedAccessHelper; |
| import org.eclipse.persistence.mappings.AttributeAccessor; |
| |
| /** |
| * <p> |
| * <b>Purpose:</b> Provides a wrapper around an instance of Accessor. Makes reflective |
| * calls to the nested accessor's get and set methods. The nested accessor can |
| * come from either the internal or public package. |
| * |
| * @author mmacivor |
| * @since EclipseLink 2.4 |
| */ |
| public class CustomAccessorAttributeAccessor extends AttributeAccessor { |
| |
| private Object accessor; |
| private transient Method getMethod; |
| private transient Method setMethod; |
| |
| public CustomAccessorAttributeAccessor(Object accessor) { |
| this.accessor = accessor; |
| |
| Class[] getMethodParams = new Class[]{Object.class}; |
| Class[] setMethodParams = new Class[]{Object.class, Object.class}; |
| try { |
| getMethod = PrivilegedAccessHelper.getDeclaredMethod(accessor.getClass(), "get", getMethodParams); |
| setMethod = PrivilegedAccessHelper.getDeclaredMethod(accessor.getClass(), "set", setMethodParams); |
| } catch(Exception ex) { |
| |
| } |
| } |
| |
| @Override |
| public Object getAttributeValueFromObject(Object object) throws DescriptorException { |
| try { |
| return PrivilegedAccessHelper.invokeMethod(getMethod, accessor, new Object[]{object}); |
| } catch(Exception ex) { |
| throw JAXBException.errorInvokingAccessor(this.accessor, "get", ex); |
| } |
| } |
| |
| @Override |
| public void setAttributeValueInObject(Object object, Object value) throws DescriptorException { |
| try { |
| PrivilegedAccessHelper.invokeMethod(setMethod, accessor, new Object[]{object, value}); |
| } catch(Exception ex) { |
| throw JAXBException.errorInvokingAccessor(this.accessor, "set", ex); |
| } |
| } |
| } |