/** Validates the the input GCS path is accessible and that the path is well formed. */
@Override
public String validateInputFilePatternSupported(String filepattern) {
GcsPath gcsPath = getGcsPath(filepattern);
checkArgument(dataflowOptions.getGcsUtil().isGcsPatternSupported(gcsPath.getObject()));
String returnValue = verifyPath(filepattern);
verifyPathIsAccessible(filepattern, "Could not find file %s");
return returnValue;
}
@Override
public String verifyPath(String path) {
GcsPath gcsPath = getGcsPath(path);
checkArgument(gcsPath.isAbsolute(), "Must provide absolute paths for Dataflow");
checkArgument(
!gcsPath.getObject().contains("//"),
"Dataflow Service does not allow objects with consecutive slashes");
return gcsPath.toResourceName();
}