| /* |
| * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @summary it is new version of old test which was |
| * /src/share/test/serialization/subtest.java |
| * This test verifies of invocation |
| * annotateClass/replaceObject methods |
| */ |
| |
| import java.io.*; |
| |
| public class AnnotateClass { |
| public static void main (String argv[]) { |
| System.err.println("\nRegression test for verification " + |
| "of invocation annotateClass/replaceObject " + |
| "methods \n"); |
| try { |
| FileOutputStream ostream = new FileOutputStream("subtest1.tmp"); |
| try { |
| TestOutputStream p = new TestOutputStream(ostream); |
| p.writeObject(System.out); |
| p.writeObject(System.err); |
| p.writeObject(new PrintStream(ostream)); |
| p.flush(); |
| } finally { |
| ostream.close(); |
| } |
| |
| FileInputStream istream = new FileInputStream("subtest1.tmp"); |
| try { |
| TestInputStream q = new TestInputStream(istream); |
| |
| PrintStream out = (PrintStream)q.readObject(); |
| PrintStream err = (PrintStream)q.readObject(); |
| Object other = q.readObject(); |
| if (out != System.out) { |
| System.err.println( |
| "\nTEST FAILED: System.out not read correctly"); |
| throw new Error(); |
| } |
| if (err != System.err) { |
| System.err.println( |
| "\nTEST FAILED: System.err not read correctly"); |
| throw new Error(); |
| } |
| if (other != null) { |
| System.err.println( |
| "\nTEST FAILED: Non-system PrintStream should have " + |
| "been written/read as null"); |
| throw new Error(); |
| } |
| } finally { |
| istream.close(); |
| } |
| |
| System.err.println("\nTEST PASSED"); |
| } catch (Exception e) { |
| System.err.print("TEST FAILED: "); |
| e.printStackTrace(); |
| throw new Error(); |
| } |
| } |
| } |
| |
| |
| |
| /** ObjectOutputStream is extended to test the annotateClass() |
| * and replaceObject() subclassable methods. |
| * In annotateClass a magic string is written to the stream |
| * so that it can be verified in ObjectInputStream. |
| * replaceObject is used to subsititute a handle object for |
| * one of the standard PrintStreams (stdout or stderr). |
| */ |
| class TestOutputStream extends ObjectOutputStream { |
| /* Construct a new test stream */ |
| TestOutputStream(OutputStream out) throws IOException { |
| super(out); |
| enableReplaceObject(true); |
| } |
| |
| /* When any class is written, add a "magic" string |
| * that must be verified by the TestInputStream. |
| */ |
| protected void annotateClass(Class cl) throws IOException { |
| this.writeUTF("magic"); |
| } |
| |
| /* For each object of type PrintStream, substitute |
| * a StdStream handle object that encodes which |
| * of the standard print streams is being written. |
| * Other objects are written as themselves. |
| */ |
| protected Object replaceObject(Object obj) |
| throws IOException |
| { |
| /* For PrintStreams, like stdout and stderr, encode */ |
| if (obj instanceof PrintStream) { |
| return new StdStream((PrintStream)obj); |
| } |
| return obj; |
| } |
| } |
| |
| /** Reverse the effects of TestOutputStream. |
| */ |
| class TestInputStream extends ObjectInputStream { |
| |
| TestInputStream(InputStream in) throws IOException { |
| super(in); |
| enableResolveObject(true); |
| } |
| |
| /** Verify that the magic string was written to the stream |
| * Also use the default classname->class resolution. |
| */ |
| protected Class<?> resolveClass(ObjectStreamClass classdesc) |
| throws ClassNotFoundException, IOException |
| { |
| try { |
| String s = readUTF(); |
| if (!(s.equals("magic"))) { |
| System.err.println( |
| "\nTEST FAILED: Bad magic number"); |
| throw new Error(); |
| } |
| } catch (IOException ee) { |
| System.err.println( |
| "\nTEST FAILED: I/O Exception"); |
| throw new Error(); |
| } |
| return super.resolveClass(classdesc); |
| } |
| |
| /** If the object in the stream is a StdStream, |
| * get the mapping of it to the local System printstream and |
| * return it. |
| * Other objects are returned as themselves. |
| */ |
| protected Object resolveObject(Object obj) { |
| if (obj instanceof StdStream) { |
| return ((StdStream)obj).getStream(); |
| } |
| return obj; |
| } |
| } |
| |
| /* A holder class to map between standard print streams (stdout, stderr) |
| * and a small integer. |
| */ |
| class StdStream implements java.io.Serializable { |
| private int stream = 0; |
| |
| public StdStream(PrintStream s) { |
| if (s == System.out) { |
| stream = 1; |
| } else if (s == System.err) { |
| stream = 2; |
| } |
| } |
| |
| public PrintStream getStream() { |
| if (stream == 1) { |
| return System.out; |
| } else if (stream == 2) { |
| return System.err; |
| } else { |
| return null; |
| } |
| } |
| } |