| /* |
| * Copyright (c) 1997, 2018 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. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package org.glassfish.enterprise.iiop.impl; |
| |
| import java.io.*; |
| |
| public class HandleDelegateClassLoader |
| extends ClassLoader |
| { |
| |
| public HandleDelegateClassLoader() { |
| super(); |
| } |
| |
| protected Class findClass(String name) |
| throws ClassNotFoundException |
| { |
| // This is called only if the class could not be loaded by |
| // the parent class loader (see javadoc for loadClass methods). |
| // Load the class from the current thread's context class loader. |
| |
| Class c = Thread.currentThread().getContextClassLoader().loadClass(name); |
| |
| return c; |
| } |
| |
| protected Class loadClass(String name, boolean resolve) |
| throws ClassNotFoundException |
| { |
| if (!name.equals("com.sun.enterprise.iiop.IIOPHandleDelegate")) { |
| return super.loadClass(name, resolve); |
| } |
| |
| Class handleDelClass = findLoadedClass(name); |
| if (handleDelClass != null) { |
| return handleDelClass; |
| } |
| |
| InputStream is = null; |
| try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) { |
| // read the bytes for IIOPHandleDelegate.class |
| ClassLoader resCl = Thread.currentThread().getContextClassLoader(); |
| if (Thread.currentThread().getContextClassLoader() == null) { |
| resCl = getSystemClassLoader(); |
| } |
| is = resCl.getResourceAsStream("org/glassfish/enterprise/iiop/impl/IIOPHandleDelegate.class"); |
| |
| byte[] buf = new byte[4096]; // currently IIOPHandleDelegate is < 4k |
| int nread = 0; |
| while ( (nread = is.read(buf, 0, buf.length)) != -1 ) { |
| baos.write(buf, 0, nread); |
| } |
| |
| byte[] buf2 = baos.toByteArray(); |
| |
| handleDelClass = defineClass( |
| "org.glassfish.enterprise.iiop.impl.IIOPHandleDelegate", |
| buf2, 0, buf2.length); |
| |
| } catch ( Exception ex ) { |
| throw (ClassNotFoundException)new ClassNotFoundException(ex.getMessage()).initCause(ex); |
| } finally { |
| if (is != null) { |
| try { |
| is.close(); |
| } catch (IOException ioe) { |
| //ignore |
| } |
| } |
| } |
| |
| if (resolve) { |
| resolveClass(handleDelClass); |
| } |
| |
| return handleDelClass; |
| } |
| } |