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src/java.base/unix/classes/sun/nio/fs/UnixCopyFile.java

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rev 55657 : 8227587: Add internal privileged System.loadLibrary
Reviewed-by: rriggs
   1 /*
   2  * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.nio.fs;
  27 
  28 import java.io.IOException;
  29 import java.nio.file.AtomicMoveNotSupportedException;
  30 import java.nio.file.CopyOption;
  31 import java.nio.file.DirectoryNotEmptyException;
  32 import java.nio.file.FileAlreadyExistsException;
  33 import java.nio.file.LinkOption;
  34 import java.nio.file.LinkPermission;
  35 import java.nio.file.StandardCopyOption;
  36 import java.security.AccessController;
  37 import java.security.PrivilegedAction;
  38 import java.util.concurrent.ExecutionException;
  39 import java.util.concurrent.TimeUnit;
  40 
  41 import static sun.nio.fs.UnixNativeDispatcher.*;
  42 import static sun.nio.fs.UnixConstants.*;
  43 
  44 
  45 /**
  46  * Unix implementation of Path#copyTo and Path#moveTo methods.
  47  */
  48 
  49 class UnixCopyFile {
  50     private UnixCopyFile() {  }
  51 
  52     // The flags that control how a file is copied or moved
  53     private static class Flags {
  54         boolean replaceExisting;
  55         boolean atomicMove;
  56         boolean followLinks;
  57         boolean interruptible;


 611                 copyFile(source, attrsToCopy, target, flags,
 612                     addressToPollForCancel());
 613             }
 614         };
 615         try {
 616             Cancellable.runInterruptibly(copyTask);
 617         } catch (ExecutionException e) {
 618             Throwable t = e.getCause();
 619             if (t instanceof IOException)
 620                 throw (IOException)t;
 621             throw new IOException(t);
 622         }
 623     }
 624 
 625     // -- native methods --
 626 
 627     static native void transfer(int dst, int src, long addressToPollForCancel)
 628         throws UnixException;
 629 
 630     static {
 631         AccessController.doPrivileged(new PrivilegedAction<>() {
 632             @Override
 633             public Void run() {
 634                 System.loadLibrary("nio");
 635                 return null;
 636             }});
 637     }
 638 
 639 }
   1 /*
   2  * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.nio.fs;
  27 
  28 import java.io.IOException;
  29 import java.nio.file.AtomicMoveNotSupportedException;
  30 import java.nio.file.CopyOption;
  31 import java.nio.file.DirectoryNotEmptyException;
  32 import java.nio.file.FileAlreadyExistsException;
  33 import java.nio.file.LinkOption;
  34 import java.nio.file.LinkPermission;
  35 import java.nio.file.StandardCopyOption;


  36 import java.util.concurrent.ExecutionException;
  37 import java.util.concurrent.TimeUnit;
  38 
  39 import static sun.nio.fs.UnixNativeDispatcher.*;
  40 import static sun.nio.fs.UnixConstants.*;
  41 
  42 
  43 /**
  44  * Unix implementation of Path#copyTo and Path#moveTo methods.
  45  */
  46 
  47 class UnixCopyFile {
  48     private UnixCopyFile() {  }
  49 
  50     // The flags that control how a file is copied or moved
  51     private static class Flags {
  52         boolean replaceExisting;
  53         boolean atomicMove;
  54         boolean followLinks;
  55         boolean interruptible;


 609                 copyFile(source, attrsToCopy, target, flags,
 610                     addressToPollForCancel());
 611             }
 612         };
 613         try {
 614             Cancellable.runInterruptibly(copyTask);
 615         } catch (ExecutionException e) {
 616             Throwable t = e.getCause();
 617             if (t instanceof IOException)
 618                 throw (IOException)t;
 619             throw new IOException(t);
 620         }
 621     }
 622 
 623     // -- native methods --
 624 
 625     static native void transfer(int dst, int src, long addressToPollForCancel)
 626         throws UnixException;
 627 
 628     static {
 629         jdk.internal.access.SharedSecrets.getJavaLangAccess().loadLibrary("nio");





 630     }
 631 
 632 }
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