110 lines
3.8 KiB
Java
110 lines
3.8 KiB
Java
/*
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* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package testapp;
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import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.HashMap;
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import java.util.concurrent.ConcurrentLinkedQueue;
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import javax.imageio.stream.FileCacheImageInputStream;
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import javax.imageio.stream.ImageInputStream;
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public class Main {
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public static void main(String[] args) {
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Main o = new Main("testapp.some.class", null);
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o.launch(null);
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}
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private final String uniqClassName;
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private final ConcurrentLinkedQueue<Throwable> problems;
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public Main(String uniq, ConcurrentLinkedQueue<Throwable> p) {
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uniqClassName = uniq;
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problems = p;
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}
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public void launch(HashMap<String, ImageInputStream> refs) {
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System.out.printf("%s: current context class loader: %s\n",
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uniqClassName,
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Thread.currentThread().getContextClassLoader());
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try {
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byte[] data = new byte[1024];
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ByteArrayInputStream bais = new ByteArrayInputStream(data);
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MyImageInputStream iis = new MyImageInputStream(bais,
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uniqClassName,
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problems);
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if (refs != null) {
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System.out.printf("%s: added to strong store\n",
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uniqClassName);
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refs.put(uniqClassName, iis);
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}
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iis.read();
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//leave stream open : let's shutdown hook work!
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} catch (IOException e) {
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problems.add(e);
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}
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}
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private static class MyImageInputStream extends FileCacheImageInputStream {
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private final String uniqClassName;
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private ConcurrentLinkedQueue<Throwable> problems;
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public MyImageInputStream(InputStream is, String uniq,
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ConcurrentLinkedQueue<Throwable> p) throws IOException
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{
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super(is, new File("tmp"));
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uniqClassName = uniq;
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problems = p;
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}
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@Override
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public void close() throws IOException {
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Test t = new Test();
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try {
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t.doTest(uniqClassName);
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} catch (Throwable e) {
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problems.add(e);
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}
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super.close();
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problems = null;
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}
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}
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}
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class Test {
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public void doTest(String uniqClassName) throws ClassNotFoundException {
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System.out.printf("%s: Current thread: %s\n", uniqClassName,
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Thread.currentThread());
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ClassLoader thisCL = this.getClass().getClassLoader();
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Class uniq = thisCL.loadClass(uniqClassName);
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System.out.printf("%s: test is done!\n",uniqClassName);
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}
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}
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