Quelle RemoveReadOnlyNode.java Sprache: JAVA

/*
* Copyright (c) 2009, 2012, 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 6178148 7197662
* @summary check if wrong exception gets thrown if one of the child
*          nodes is readonly on underlying filesystem when node is
*          being removed.
* @run main/othervm -Djava.util.prefs.userRoot=. RemoveReadOnlyNode
*/

import java.io.*;
import java.util.prefs.*;

public class RemoveReadOnlyNode {
    public static void main(String[] args) throws Exception {
        String osName = System.getProperty("os.name");
        if (osName.startsWith("Windows"))
            return;
        Preferences root = Preferences.userRoot();
        Preferences node1 = root.node("node1");
        Preferences node1A = node1.node("node1A");
        Preferences node1B = node1.node("node1B");
        node1B.put("mykey", "myvalue");
        node1.flush();
        String node1BDirName = System.getProperty("user.home")
            + "/.java/.userPrefs"
            + "/node1/node1B";
        File node1BDir = new File(node1BDirName);
        node1BDir.setReadOnly();
        try {
            node1.removeNode();
        }
        catch (BackingStoreException ex) {
            //expected exception
        } finally {
            Runtime.getRuntime().exec("chmod 755 " + node1BDirName).waitFor();
            try {
                node1.removeNode();
            } catch (Exception e) {}
        }
    }
}

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