71 lines
2.6 KiB
Java
71 lines
2.6 KiB
Java
/*
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* Copyright (c) 2011, 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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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.net.URLConnection;
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import java.util.zip.CRC32;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipOutputStream;
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/**
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* @test
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* @bug 7050028
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* @summary ISE "zip file closed" from JarURLConnection.getInputStream on JDK 7 when !useCaches
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* @run main/othervm B7050028
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*/
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public class B7050028 {
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public static void main(String[] args) throws Exception {
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URLConnection conn = B7050028.class.getResource("B7050028.class").openConnection();
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int len = conn.getContentLength();
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byte[] data = new byte[len];
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InputStream is = conn.getInputStream();
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is.read(data);
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is.close();
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conn.setDefaultUseCaches(false);
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File jar = File.createTempFile("B7050028", ".jar");
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jar.deleteOnExit();
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OutputStream os = new FileOutputStream(jar);
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ZipOutputStream zos = new ZipOutputStream(os);
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ZipEntry ze = new ZipEntry("B7050028.class");
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ze.setMethod(ZipEntry.STORED);
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ze.setSize(len);
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CRC32 crc = new CRC32();
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crc.update(data);
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ze.setCrc(crc.getValue());
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zos.putNextEntry(ze);
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zos.write(data, 0, len);
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zos.closeEntry();
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zos.finish();
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zos.close();
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os.close();
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System.out.println(new URLClassLoader(new URL[] {new URL("jar:" + jar.toURI() + "!/")}, ClassLoader.getSystemClassLoader().getParent()).loadClass(B7050028.class.getName()));
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}
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private B7050028() {}
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}
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