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/*
* 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);
}
}
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