/*

 * Copyright (c) 2013, 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.

 */

import java.io.*;

import java.lang.instrument.*;

public class RedefineSubclassWithTwoInterfacesApp {

    public static void main(String args[]) throws Exception {

        System.out.println("Hello from RedefineSubclassWithTwoInterfacesApp!");

        new RedefineSubclassWithTwoInterfacesApp().doTest();

        System.exit(0);

    }

    private void doTest() throws Exception {

        RedefineSubclassWithTwoInterfacesImpl impl

            = new RedefineSubclassWithTwoInterfacesImpl();

        RedefineSubclassWithTwoInterfacesRemote remote

            = new RedefineSubclassWithTwoInterfacesRemote(impl, impl);

        String mesg;

        // make echo() calls before any redefinitions:

        mesg = remote.echo1("test message #1.1");

        System.out.println("RedefineSubclassWithTwoInterfacesApp: echo1 mesg='"

            + mesg + "' before any redefines");

        mesg = remote.echo2("test message #2.1");

        System.out.println("RedefineSubclassWithTwoInterfacesApp: echo2 mesg='"

            + mesg + "' before any redefines");

        // redefining RedefineSubclassWithTwoInterfacesImpl before

        // RedefineSubclassWithTwoInterfacesTarget fails:

        do_redefine("RedefineSubclassWithTwoInterfacesImpl", 1);

        do_redefine("RedefineSubclassWithTwoInterfacesTarget", 1);

        mesg = remote.echo1("test message #1.2");

        System.out.println("RedefineSubclassWithTwoInterfacesApp: echo1 mesg='"

            + mesg + "' after redefine");

        mesg = remote.echo2("test message #2.2");

        System.out.println("RedefineSubclassWithTwoInterfacesApp: echo2 mesg='"

            + mesg + "' after redefine");

    }

    private static void do_redefine(String className, int counter)

            throws Exception {

        File f = new File(className + "_" + counter + ".class");

        System.out.println("Reading test class from " + f);

        InputStream redefineStream = new FileInputStream(f);

        byte[] redefineBuffer

            = NamedBuffer.loadBufferFromStream(redefineStream);

        ClassDefinition redefineParamBlock = new ClassDefinition(

            Class.forName(className), redefineBuffer);

        RedefineSubclassWithTwoInterfacesAgent.getInstrumentation().

            redefineClasses(new ClassDefinition[] {redefineParamBlock});

    }

}