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PARQUET-1513: HiddenFileFilter Streamline #606

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Merged
rdblue merged 1 commit into from
Jan 27, 2019
Merged

PARQUET-1513: HiddenFileFilter Streamline #606

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8 changes: 7 additions & 1 deletion parquet-hadoop/src/main/java/org/apache/parquet/hadoop/util/HiddenFileFilter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,13 +21,19 @@
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.PathFilter;

/**
* A {@link PathFilter} that filters out hidden files. A file is considered to
* be hidden, and should not be considered for processing, when the file name
* starts with a period ('.') or an underscore ('_').
*/
public class HiddenFileFilter implements PathFilter {
public static final HiddenFileFilter INSTANCE = new HiddenFileFilter();

private HiddenFileFilter() {}

@Override
public boolean accept(Path p) {
return !p.getName().startsWith("_") && !p.getName().startsWith(".");
final char c = p.getName().charAt(0);
return c != '.' && c != '_';
}
}