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(); }