0N/A/*
2362N/A * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 5056248
0N/A * @summary Test that an MBeanInfo works even if it is deserialized from
0N/A * an implementation where its array fields can be null.
0N/A * @author Eamonn McManus
0N/A * @run clean NullInfoArraysTest
0N/A * @run build NullInfoArraysTest
0N/A * @run main NullInfoArraysTest
0N/A */
0N/A
0N/Aimport java.io.*;
0N/Aimport javax.management.*;
0N/Aimport javax.management.modelmbean.*;
0N/Aimport javax.management.openmbean.*;
0N/A
0N/Apublic class NullInfoArraysTest {
0N/A public static void main(String[] args) throws Exception {
0N/A if (args.length > 0 && args[0].equals("write"))
0N/A writeSerializedForms();
0N/A else
0N/A testSerializedForms();
0N/A }
0N/A
0N/A private static void testSerializedForms() throws Exception {
0N/A byte[][] serializedMBeanInfos =
0N/A SerializedMBeanInfo.serializedMBeanInfos;
0N/A for (int i = 0; i < serializedMBeanInfos.length; i++) {
0N/A byte[] serializedMBeanInfo = serializedMBeanInfos[i];
0N/A ByteArrayInputStream bis =
0N/A new ByteArrayInputStream(serializedMBeanInfo);
0N/A ObjectInputStream ois = new ObjectInputStream(bis);
0N/A MBeanInfo mbi = (MBeanInfo) ois.readObject();
0N/A
0N/A System.out.println("Testing a " +
0N/A mbi.getClass().getName() + "...");
0N/A
0N/A if (mbi.getAttributes() == null ||
0N/A mbi.getOperations() == null ||
0N/A mbi.getConstructors() == null ||
0N/A mbi.getNotifications() == null)
0N/A throw new Exception("At least one getter returned null");
0N/A
0N/A System.out.println("OK");
0N/A }
0N/A
0N/A System.out.println("Test passed");
0N/A }
0N/A
0N/A /* This method is intended to be invoked when constructing the
0N/A test for the first time, with JMX 1.1 RI in the classpath. It
0N/A constructs the SerializedMBeanInfo.java source file. There is
0N/A of course a chicken-and-egg problem for compiling: the first
0N/A time we built this test, we supplied a trivial
0N/A SerializedMBeanInfo.java with an empty array in the
0N/A serializedMBeanInfos field. */
0N/A private static void writeSerializedForms() throws Exception {
0N/A OutputStream fos = new FileOutputStream("SerializedMBeanInfo.java");
0N/A PrintWriter w = new PrintWriter(fos);
0N/A w.println("// Generated by NullInfoArraysTest - do not edit");
0N/A w.println();
0N/A w.println("public class SerializedMBeanInfo {");
0N/A w.println(" public static final byte[][] serializedMBeanInfos = {");
0N/A writeSerial(w, new MBeanInfo(null, null, null, null, null, null));
0N/A writeSerial(w, new ModelMBeanInfoSupport(null, null, null, null, null,
0N/A null, null));
0N/A writeSerial(w, new OpenMBeanInfoSupport(null, null, null, null, null,
0N/A null));
0N/A w.println(" };");
0N/A w.println("}");
0N/A w.close();
0N/A fos.close();
0N/A System.out.println("Wrote SerializedMBeanInfo.java");
0N/A }
0N/A
0N/A private static void writeSerial(PrintWriter w, Object o) throws Exception {
0N/A ByteArrayOutputStream bos = new ByteArrayOutputStream();
0N/A ObjectOutputStream oos = new ObjectOutputStream(bos);
0N/A oos.writeObject(o);
0N/A oos.close();
0N/A byte[] bytes = bos.toByteArray();
0N/A w.print(" {");
0N/A for (int i = 0; i < bytes.length; i++) {
0N/A w.print(bytes[i]);
0N/A w.print(", ");
0N/A }
0N/A w.println("},");
0N/A }
0N/A}