part.field( "importDir", path, MediaType.MULTIPART_FORM_DATA_TYPE );
part.field( "overwriteAclPermissions", "true".equals( overwrite ) ? "true" : "false",
MediaType.MULTIPART_FORM_DATA_TYPE );
part.field( "retainOwnership", "true".equals( retainOwnership ) ? "true" : "false",
MediaType.MULTIPART_FORM_DATA_TYPE );
part.field( "charSet", charSet == null ? "UTF-8" : charSet );
part.field( "applyAclPermissions", "true".equals( permission ) ? "true" : "false",
MediaType.MULTIPART_FORM_DATA_TYPE ).field( "fileUpload", in, MediaType.MULTIPART_FORM_DATA_TYPE );
// If the import service needs the file name do the following.
part.field( "fileNameOverride", fileIS.getName(), MediaType.MULTIPART_FORM_DATA_TYPE );