Ejemplo n.º 1
0
 private static boolean mv0(
     final java.io.File src, final java.io.File dst, final ArchiveDetector detector) {
   boolean ok = true;
   if (src.isDirectory()) {
     final long srcLastModified = src.lastModified();
     final boolean srcIsArchived = src instanceof File && ((File) src).getInnerArchive() != null;
     final boolean dstIsArchived = dst instanceof File && ((File) dst).getInnerArchive() != null;
     final boolean srcIsGhost = srcIsArchived && srcLastModified <= 0;
     if (!srcIsGhost || !dstIsArchived || !File.isLenient()) dst.mkdir();
     final String[] members = src.list();
     if (!srcIsArchived && dstIsArchived) {
       // Create sorted entries if writing a new archive file.
       // This is courtesy only, so natural order is sufficient.
       Arrays.sort(members);
     }
     for (int i = 0, l = members.length; i < l; i++) {
       final String member = members[i];
       ok &= mv0(detector.createFile(src, member), detector.createFile(dst, member), detector);
     }
     if (!srcIsGhost) ok &= dst.setLastModified(srcLastModified);
   } else if (src.isFile()) { // !isDirectory()
     try {
       cp(true, src, dst);
     } catch (IOException ex) {
       ok = false;
     }
   } else {
     ok = false; // don't move special files!
   }
   return ok && src.delete(); // only unlink if ok!
 }
Ejemplo n.º 2
0
 /** Unchecked parameters version. */
 private static void cp_r0(
     final boolean preserve,
     final java.io.File src,
     final java.io.File dst,
     final ArchiveDetector srcDetector,
     final ArchiveDetector dstDetector)
     throws IOException {
   if (src.isDirectory()) {
     final long srcLastModified = src.lastModified();
     final boolean srcIsArchived = src instanceof File && ((File) src).getInnerArchive() != null;
     final boolean dstIsArchived = dst instanceof File && ((File) dst).getInnerArchive() != null;
     final boolean srcIsGhost = srcIsArchived && srcLastModified <= 0;
     if (!srcIsGhost || !dstIsArchived || !File.isLenient())
       if (!dst.mkdir() && !dst.isDirectory())
         throw new IOException("destination is not a directory");
     final String[] members = src.list();
     if (!srcIsArchived && dstIsArchived) {
       // Create sorted entries if writing a new archive.
       // This is a courtesy only, so natural order is sufficient.
       Arrays.sort(members);
     }
     for (int i = 0, l = members.length; i < l; i++) {
       final String member = members[i];
       cp_r0(
           preserve,
           srcDetector.createFile(src, member),
           dstDetector.createFile(dst, member),
           srcDetector,
           dstDetector);
     }
     if (preserve && !srcIsGhost)
       if (!dst.setLastModified(srcLastModified))
         throw new IOException("cannot set last modification time");
   } else if (src.isFile() && (!dst.exists() || dst.isFile())) {
     cp0(preserve, src, dst);
   } else {
     throw new IOException("cannot copy non-existent or special files");
   }
 }
Ejemplo n.º 3
0
 /**
  * Removes the entire directory tree represented by the parameter, regardless whether it's a file
  * or directory, whether the directory is empty or not or whether the file or directory is
  * actually an archive file, an entry in an archive file or not enclosed in an archive file at
  * all.
  *
  * <p>The name of this method is inspired by the Unix command line utility <code>rm</code> with
  * the <code>-r</code> option to operate recursively.
  *
  * <p>This file system operation is <em>not</em> atomic.
  *
  * @return Whether or not the entire directory tree was successfully removed.
  */
 public static boolean rm_r(final java.io.File file) {
   boolean ok = true;
   if (file.isDirectory()) {
     // Note that listing the directory this way will cause a recursive
     // deletion if the directory is actually an archive file.
     // Although this does not provide best performance (the archive
     // file could simply be removed like an ordinary file), it ensures
     // that the state cached by the ArchiveController is not bypassed
     // and hence prevents a potential bug.
     java.io.File[] members = file.listFiles();
     for (int i = members.length; --i >= 0; ) ok &= rm_r(members[i]);
   }
   return ok && file.delete();
 }