56 lines
2.1 KiB
Java
56 lines
2.1 KiB
Java
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/*
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* Copyright (c) 2020, 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.InputStream;
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import java.io.IOException;
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public class MyClassLoader extends ClassLoader {
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ClassLoader parent;
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ClassLoader appLoader;
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public MyClassLoader(ClassLoader parent, ClassLoader appLoader) {
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super(parent);
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this.parent = parent;
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this.appLoader = appLoader;
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}
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public Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
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System.out.println("MyClassLoader: loadClass(\"" + name + "\", " + resolve + ")");
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Class c;
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if (name.equals("MyHttpHandlerC")) {
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byte[] bytes;
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try (InputStream is = appLoader.getResourceAsStream("MyHttpHandlerC.class")) {
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bytes = is.readAllBytes();
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} catch (IOException e) {
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throw new RuntimeException("Unexpected", e);
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}
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c = defineClass(name, bytes, 0, bytes.length);
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} else {
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c = super.loadClass(name, resolve);
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}
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System.out.println("MyClassLoader: loaded " + name + " = " + c);
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return c;
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}
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}
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