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Java example source code file (CloseFile.java)

This example Java source code file (CloseFile.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

closefile, cn=haha, error, exception, runtimeexception

The CloseFile.java Java example source code

/*
 * Copyright (c) 2006, 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.
 */

/*
 * @test
 * @bug 6489721
 * @summary keytool has not closed several file streams
 * @author weijun.wang
 * @compile -XDignore.symbol.file CloseFile.java
 * @run main CloseFile
 *
 * This test is only useful on Windows, which fails before the fix and succeeds
 * after it. On other platforms, it always passes.
 */

import java.io.*;

public class CloseFile {
    public static void main(String[] args) throws Exception {
        remove("f0", false);
        remove("f1", false);
        run("-keystore f0 -storepass changeit -keypass changeit -genkeypair -dname CN=Haha");
        run("-keystore f0 -storepass changeit -keypass changeit -certreq -file f2");
        remove("f2", true);
        run("-keystore f0 -storepass changeit -keypass changeit -exportcert -file f2");
        remove("f2", true);
        run("-keystore f0 -storepass changeit -keypass changeit -exportcert -file f2");
        run("-keystore f0 -storepass changeit -keypass changeit -delete -alias mykey");
        run("-keystore f0 -storepass changeit -keypass changeit -importcert -file f2 -noprompt");
        remove("f2", true);
        run("-keystore f0 -storepass changeit -keypass changeit -exportcert -file f2");
        run("-printcert -file f2");
        remove("f2", true);
        remove("f0", true);
        run("-keystore f0 -storepass changeit -keypass changeit -genkeypair -dname CN=Haha");
        run("-importkeystore -srckeystore f0 -destkeystore f1 -srcstorepass changeit -deststorepass changeit");
        remove("f0", true);
        remove("f1", true);
    }

    static void run(String s) throws Exception {
        sun.security.tools.keytool.Main.main((s+" -debug -keyalg rsa").split(" "));
    }
    static void remove(String filename, boolean check) {
        new File(filename).delete();
        if (check && new File(filename).exists()) {
            throw new RuntimeException("Error deleting " + filename);
        }
    }
}

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