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!
}
public void run() throws IOException {
// Update controllers.
// This may invalidate the file system object, so it must be
// done first in case srcController and dstController are the
// same!
class SrcControllerUpdater implements IORunnable {
public void run() throws IOException {
srcController.autoUmount(srcEntryName);
srcController.readLock().lock(); // downgrade to read lock upon return
}
} // class SrcControllerUpdater
final ArchiveEntry srcEntry, dstEntry;
final Delta delta;
srcController.runWriteLocked(new SrcControllerUpdater());
try {
dstController.autoUmount(dstEntryName);
// Get source archive entry.
final ArchiveFileSystem srcFileSystem = srcController.autoMount(false);
srcEntry = srcFileSystem.get(srcEntryName);
// Get destination archive entry.
final boolean lenient = File.isLenient();
final ArchiveFileSystem dstFileSystem = dstController.autoMount(lenient);
delta = dstFileSystem.link(dstEntryName, lenient, preserve ? srcEntry : null);
dstEntry = delta.getEntry();
// Create input stream.
in = srcController.createInputStream(srcEntry, dstEntry);
} finally {
srcController.readLock().unlock();
}
try {
// Create output stream.
out = dstController.createOutputStream(dstEntry, srcEntry);
try {
// Now link the destination entry into the file system.
delta.commit();
} catch (IOException ex) {
out.close();
throw ex;
}
} catch (IOException ex) {
try {
in.close();
} catch (IOException inFailure) {
throw new InputIOException(inFailure);
}
throw ex;
}
}
/** 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");
}
}
public void run() throws IOException {
// Update controller.
// This may invalidate the file system object, so it must be
// done first in case srcController and dstController are the
// same!
dstController.autoUmount(dstEntryName);
final boolean lenient = File.isLenient();
// Get source archive entry.
final ArchiveEntry srcEntry = new RfsEntry(src);
// Get destination archive entry.
final ArchiveFileSystem dstFileSystem = dstController.autoMount(lenient);
final Delta delta = dstFileSystem.link(dstEntryName, lenient, preserve ? srcEntry : null);
final ArchiveEntry dstEntry = delta.getEntry();
// Create output stream.
out = dstController.createOutputStream(dstEntry, srcEntry);
// Now link the destination entry into the file system.
delta.commit();
}
