| /* |
| * Copyright (c) 1998, 2021 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: |
| // Oracle - initial API and implementation from Oracle TopLink |
| |
| package org.eclipse.persistence.internal.xr; |
| |
| //EclipseLink imports |
| import org.eclipse.persistence.dynamic.DynamicClassLoader; |
| |
| /** |
| * <p> |
| * <b>INTERNAL:</b> XRDynamicClassLoader uses ASM to dynamically |
| * generate subclasses of {@link XRDynamicEntity} |
| * |
| * @author Mike Norman - michael.norman@oracle.com |
| * @since EclipseLink 1.x |
| */ |
| public class XRDynamicClassLoader extends DynamicClassLoader { |
| |
| public static final String COLLECTION_WRAPPER_SUFFIX = |
| "_CollectionWrapper"; |
| |
| private Boolean generateSubclasses = Boolean.TRUE; |
| |
| public XRDynamicClassLoader(ClassLoader parentLoader) { |
| super(parentLoader, new XRClassWriter()); |
| } |
| |
| @Override |
| protected Class<?> findClass(String className) throws ClassNotFoundException { |
| if (!generateSubclasses) { |
| throw new ClassNotFoundException(className); |
| } |
| try { |
| byte[] data = defaultWriter.writeClass(this, className); |
| return defineClass(className, data, 0, data.length); |
| } |
| catch (ClassFormatError cfe) { |
| throw new ClassNotFoundException(className, cfe); |
| } |
| catch (ClassCircularityError cce) { |
| throw new ClassNotFoundException(className, cce); |
| } |
| } |
| |
| public void dontGenerateSubclasses() { |
| this.generateSubclasses = Boolean.TRUE; |
| } |
| } |