org.argeo.cms/src/org/argeo/cms/file/PathSync.java

   1 package org.argeo.cms.file;
   2
   3 import java.net.URI;
   4 import java.nio.file.FileSystems;
   5 import java.nio.file.Files;
   6 import java.nio.file.Path;
   7 import java.nio.file.Paths;
   8 import java.nio.file.spi.FileSystemProvider;
   9 import java.util.concurrent.Callable;
  10
  11 /** Synchronises two paths. */
  12 public class PathSync implements Callable<SyncResult<Path>> {
  13         private final URI sourceUri, targetUri;
  14         private final boolean delete;
  15         private final boolean recursive;
  16
  17         public PathSync(URI sourceUri, URI targetUri) {
  18                 this(sourceUri, targetUri, false, false);
  19         }
  20
  21         public PathSync(URI sourceUri, URI targetUri, boolean delete, boolean recursive) {
  22                 this.sourceUri = sourceUri;
  23                 this.targetUri = targetUri;
  24                 this.delete = delete;
  25                 this.recursive = recursive;
  26         }
  27
  28         @Override
  29         public SyncResult<Path> call() {
  30                 try {
  31                         Path sourceBasePath = createPath(sourceUri);
  32                         Path targetBasePath = createPath(targetUri);
  33                         SyncFileVisitor syncFileVisitor = new SyncFileVisitor(sourceBasePath, targetBasePath, delete, recursive);
  34                         Files.walkFileTree(sourceBasePath, syncFileVisitor);
  35                         return syncFileVisitor.getSyncResult();
  36                 } catch (Exception e) {
  37                         throw new IllegalStateException("Cannot sync " + sourceUri + " to " + targetUri, e);
  38                 }
  39         }
  40
  41         private Path createPath(URI uri) {
  42                 Path path;
  43                 if (uri.getScheme() == null) {
  44                         path = Paths.get(uri.getPath());
  45                 } else if (uri.getScheme().equals("file")) {
  46                         FileSystemProvider fsProvider = FileSystems.getDefault().provider();
  47                         path = fsProvider.getPath(uri);
  48                 } else if (uri.getScheme().equals("davex")) {
  49                         throw new UnsupportedOperationException();
  50 //                      FileSystemProvider fsProvider = new DavexFsProvider();
  51 //                      path = fsProvider.getPath(uri);
  52 //              } else if (uri.getScheme().equals("sftp")) {
  53 //                      Sftp sftp = new Sftp(uri);
  54 //                      path = sftp.getBasePath();
  55                 } else
  56                         throw new IllegalArgumentException("URI scheme not supported for " + uri);
  57                 return path;
  58         }
  59 }