2020-04-29 13:24:29 +02:00
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2020-04-24 15:50:40 +02:00
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package eu.dnetlib.doiboost.orcid;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.URI;
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2020-04-29 13:24:29 +02:00
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2020-04-24 15:50:40 +02:00
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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.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.io.IOUtils;
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import org.apache.hadoop.io.SequenceFile;
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import org.apache.hadoop.io.Text;
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import org.apache.hadoop.io.compress.CompressionCodec;
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import org.apache.hadoop.io.compress.CompressionCodecFactory;
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import org.mortbay.log.Log;
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2020-04-29 13:24:29 +02:00
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import eu.dnetlib.doiboost.orcid.model.WorkData;
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import eu.dnetlib.doiboost.orcid.xml.XMLRecordParser;
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2020-06-26 17:27:34 +02:00
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import eu.dnetlib.doiboost.orcidnodoi.json.JsonWriter;
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2020-04-29 13:24:29 +02:00
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2020-04-24 15:50:40 +02:00
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public class ActivitiesDecompressor {
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2020-04-29 13:24:29 +02:00
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private static final int MAX_XML_WORKS_PARSED = -1;
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private static final int XML_WORKS_PARSED_COUNTER_LOG_INTERVAL = 100000;
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public static void parseGzActivities(Configuration conf, String inputUri, Path outputPath)
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throws Exception {
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String uri = inputUri;
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FileSystem fs = FileSystem.get(URI.create(uri), conf);
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Path inputPath = new Path(uri);
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CompressionCodecFactory factory = new CompressionCodecFactory(conf);
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CompressionCodec codec = factory.getCodec(inputPath);
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if (codec == null) {
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System.err.println("No codec found for " + uri);
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System.exit(1);
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}
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CompressionCodecFactory.removeSuffix(uri, codec.getDefaultExtension());
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InputStream gzipInputStream = null;
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try {
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gzipInputStream = codec.createInputStream(fs.open(inputPath));
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parseTarActivities(fs, conf, gzipInputStream, outputPath);
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} finally {
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Log.debug("Closing gzip stream");
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IOUtils.closeStream(gzipInputStream);
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}
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}
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private static void parseTarActivities(
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FileSystem fs, Configuration conf, InputStream gzipInputStream, Path outputPath) {
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int counter = 0;
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int doiFound = 0;
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int errorFromOrcidFound = 0;
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int xmlParserErrorFound = 0;
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try (TarArchiveInputStream tais = new TarArchiveInputStream(gzipInputStream)) {
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TarArchiveEntry entry = null;
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try (SequenceFile.Writer writer = SequenceFile
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.createWriter(
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conf,
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SequenceFile.Writer.file(outputPath),
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SequenceFile.Writer.keyClass(Text.class),
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SequenceFile.Writer.valueClass(Text.class))) {
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while ((entry = tais.getNextTarEntry()) != null) {
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String filename = entry.getName();
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try {
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if (entry.isDirectory() || !filename.contains("works")) {
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} else {
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Log.debug("XML work entry name: " + entry.getName());
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counter++;
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BufferedReader br = new BufferedReader(new InputStreamReader(tais)); // Read directly from
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// tarInput
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String line;
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StringBuffer buffer = new StringBuffer();
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while ((line = br.readLine()) != null) {
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buffer.append(line);
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}
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WorkData workData = XMLRecordParser.VTDParseWorkData(buffer.toString().getBytes());
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if (workData != null) {
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if (workData.getErrorCode() != null) {
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errorFromOrcidFound += 1;
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Log
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.debug(
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"error from Orcid with code "
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+ workData.getErrorCode()
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+ " for entry "
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+ entry.getName());
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continue;
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}
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if (workData.isDoiFound()) {
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String jsonData = JsonWriter.create(workData);
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Log.debug("oid: " + workData.getOid() + " data: " + jsonData);
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final Text key = new Text(workData.getOid());
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final Text value = new Text(jsonData);
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try {
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writer.append(key, value);
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} catch (IOException e) {
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Log.debug("Writing to sequence file: " + e.getMessage());
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Log.debug(e);
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throw new RuntimeException(e);
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}
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doiFound += 1;
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}
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} else {
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Log.warn("Data not retrievable [" + entry.getName() + "] " + buffer.toString());
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xmlParserErrorFound += 1;
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}
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}
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} catch (Exception e) {
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Log
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.warn(
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"Parsing work from tar archive and xml work: " + filename + " " + e.getMessage());
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Log.warn(e);
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}
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if ((counter % XML_WORKS_PARSED_COUNTER_LOG_INTERVAL) == 0) {
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Log.info("Current xml works parsed: " + counter);
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}
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if ((MAX_XML_WORKS_PARSED > -1) && (counter > MAX_XML_WORKS_PARSED)) {
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break;
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}
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}
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}
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} catch (IOException e) {
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Log.warn("Parsing work from gzip archive: " + e.getMessage());
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Log.warn(e);
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throw new RuntimeException(e);
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}
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Log.info("Activities parse completed");
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Log.info("Total XML works parsed: " + counter);
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Log.info("Total doi found: " + doiFound);
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Log.info("Error from Orcid found: " + errorFromOrcidFound);
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Log.info("Error parsing xml work found: " + xmlParserErrorFound);
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}
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2020-04-24 15:50:40 +02:00
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}
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