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package tim.prune.function.filesleuth.extract;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.TimeZone;
import java.util.zip.GZIPInputStream;
import tim.prune.function.filesleuth.data.LocationFilter;
import tim.prune.function.filesleuth.data.TrackContents;
/** Responsible for extracting text from gzipped xml files */
public class GzipFileExtractor implements ContentExtractor
{
// TODO: Are we ignoring the possibility of gzipped text files here?
private final File _file;
public GzipFileExtractor(File inFile) {
_file = inFile;
}
@Override
public TrackContents getContents(TimeZone inTimezone)
{
if (_file == null || !_file.isFile() || !_file.canRead()) {
return new TrackContents(inTimezone);
}
try (GZIPInputStream istream = new GZIPInputStream(new FileInputStream(_file)))
{
return new XmlFileExtractor(istream).getContents(inTimezone);
} catch (IOException ignored) {}
return new TrackContents(inTimezone);
}
@Override
public boolean matchesFilter(LocationFilter inFilter)
{
if (_file == null || !_file.isFile() || !_file.canRead()) {
return false;
}
try (GZIPInputStream istream = new GZIPInputStream(new FileInputStream(_file)))
{
return new XmlFileExtractor(istream).matchesFilter(inFilter);
} catch (IOException ignored) {}
return false;
}
}
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