| /* |
| * Copyright (c) 2009, 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. |
| */ |
| |
| package testapp; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.HashMap; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| import javax.imageio.stream.FileCacheImageInputStream; |
| import javax.imageio.stream.ImageInputStream; |
| |
| public class Main { |
| |
| public static void main(String[] args) { |
| Main o = new Main("testapp.some.class", null); |
| o.launch(null); |
| } |
| |
| private final String uniqClassName; |
| private final ConcurrentLinkedQueue<Throwable> problems; |
| |
| public Main(String uniq, ConcurrentLinkedQueue<Throwable> p) { |
| uniqClassName = uniq; |
| problems = p; |
| } |
| |
| public void launch(HashMap<String, ImageInputStream> refs) { |
| System.out.printf("%s: current context class loader: %s\n", |
| uniqClassName, |
| Thread.currentThread().getContextClassLoader()); |
| try { |
| byte[] data = new byte[1024]; |
| ByteArrayInputStream bais = new ByteArrayInputStream(data); |
| MyImageInputStream iis = new MyImageInputStream(bais, |
| uniqClassName, |
| problems); |
| if (refs != null) { |
| System.out.printf("%s: added to strong store\n", |
| uniqClassName); |
| refs.put(uniqClassName, iis); |
| } |
| iis.read(); |
| //leave stream open : let's shutdown hook work! |
| } catch (IOException e) { |
| problems.add(e); |
| } |
| } |
| |
| private static class MyImageInputStream extends FileCacheImageInputStream { |
| private final String uniqClassName; |
| private ConcurrentLinkedQueue<Throwable> problems; |
| public MyImageInputStream(InputStream is, String uniq, |
| ConcurrentLinkedQueue<Throwable> p) throws IOException |
| { |
| super(is, new File("tmp")); |
| uniqClassName = uniq; |
| problems = p; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| Test t = new Test(); |
| try { |
| t.doTest(uniqClassName); |
| } catch (Throwable e) { |
| problems.add(e); |
| } |
| |
| super.close(); |
| |
| problems = null; |
| } |
| } |
| } |
| |
| class Test { |
| public void doTest(String uniqClassName) throws ClassNotFoundException { |
| System.out.printf("%s: Current thread: %s\n", uniqClassName, |
| Thread.currentThread()); |
| |
| ClassLoader thisCL = this.getClass().getClassLoader(); |
| Class uniq = thisCL.loadClass(uniqClassName); |
| |
| System.out.printf("%s: test is done!\n",uniqClassName); |
| } |
| } |