[HostedByMap - DOIBoost] changed to use code moved to common since used also from hostedbymap now
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package eu.dnetlib.dhp.common.collection;
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import java.io.BufferedOutputStream;
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import java.io.IOException;
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import java.util.zip.GZIPOutputStream;
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import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
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import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
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import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;
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import org.apache.commons.io.IOUtils;
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import org.apache.hadoop.fs.FSDataInputStream;
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import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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public class DecompressTarGz {
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public static void doExtract(FileSystem fs, String outputPath, String tarGzPath) throws IOException {
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FSDataInputStream inputFileStream = fs.open(new Path(tarGzPath));
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try (TarArchiveInputStream tais = new TarArchiveInputStream(
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new GzipCompressorInputStream(inputFileStream))) {
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TarArchiveEntry entry = null;
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while ((entry = tais.getNextTarEntry()) != null) {
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if (!entry.isDirectory()) {
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try (
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FSDataOutputStream out = fs
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.create(new Path(outputPath.concat(entry.getName()).concat(".gz")));
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GZIPOutputStream gzipOs = new GZIPOutputStream(new BufferedOutputStream(out))) {
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IOUtils.copy(tais, gzipOs);
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}
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}
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}
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}
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}
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}
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