public CopyableFile build()

in gobblin-data-management/src/main/java/org/apache/gobblin/data/management/copy/CopyableFile.java [289:336]
41 lines of code
16 McCabe index (conditional complexity)

    public CopyableFile build() throws IOException {

      if (!this.destination.isAbsolute()) {
        throw new IOException("Destination must be absolute: " + this.destination);
      }

      if (this.destinationOwnerAndPermission == null) {
        String owner = this.preserve.preserve(Option.OWNER) ? this.origin.getOwner() : null;

        String group = null;
        if (this.preserve.preserve(Option.GROUP)) {
          group = this.origin.getGroup();
        } else if (this.configuration.getTargetGroup().isPresent()) {
          group = this.configuration.getTargetGroup().get();
        }

        FsPermission permission = this.preserve.preserve(Option.PERMISSION) ? this.origin.getPermission() : null;
        List<AclEntry> aclEntries = this.preserve.preserve(Option.ACLS) ? getAclEntries(this.originFs, this.origin.getPath()) : Lists.newArrayList();

        this.destinationOwnerAndPermission = new OwnerAndPermission(owner, group, permission, aclEntries);
      }
      if (this.ancestorsOwnerAndPermission == null) {
        this.ancestorsOwnerAndPermission = replicateAncestorsOwnerAndPermission(this.originFs, this.origin.getPath(),
            this.configuration.getTargetFs(), this.destination);
      }
      if (this.checksum == null) {
        if (ConfigUtils.getBoolean(this.configuration.getConfig(), "copy.skipChecksum", true)) {
          this.checksum = EMPTY_CHECKSUM;
        } else {
          FileChecksum checksumTmp = this.origin.isDirectory() ? null : this.originFs.getFileChecksum(this.origin.getPath());
          this.checksum = checksumTmp == null ? EMPTY_CHECKSUM : checksumTmp.getBytes();
        }
      }
      if (this.fileSet == null) {
        // Default file set per dataset
        this.fileSet = "";
      }
      if (this.originTimestamp == 0) {
        this.originTimestamp = this.origin.getModificationTime();
      }
      if (this.upstreamTimestamp == 0) {
        this.upstreamTimestamp = this.origin.getModificationTime();
      }

      return new CopyableFile(this.origin, this.destination, this.destinationOwnerAndPermission,
          this.ancestorsOwnerAndPermission, this.checksum, this.preserve, this.fileSet, this.originTimestamp,
          this.upstreamTimestamp, this.additionalMetadata, this.datasetOutputPath, this.dataFileVersionStrategy);
    }