forked from D-Net/dnet-hadoop
102 lines
2.7 KiB
Java
102 lines
2.7 KiB
Java
|
|
package eu.dnetlib.dhp.actionmanager.project.utils;
|
|
|
|
import java.io.BufferedWriter;
|
|
import java.io.IOException;
|
|
import java.io.OutputStreamWriter;
|
|
import java.io.Serializable;
|
|
import java.nio.charset.StandardCharsets;
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
import java.util.zip.ZipEntry;
|
|
import java.util.zip.ZipInputStream;
|
|
|
|
import org.apache.commons.io.IOUtils;
|
|
import org.apache.hadoop.conf.Configuration;
|
|
import org.apache.hadoop.fs.FSDataInputStream;
|
|
import org.apache.hadoop.fs.FSDataOutputStream;
|
|
import org.apache.hadoop.fs.FileSystem;
|
|
import org.apache.hadoop.fs.Path;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
import com.fasterxml.jackson.core.type.TypeReference;
|
|
import com.fasterxml.jackson.databind.ObjectMapper;
|
|
|
|
import eu.dnetlib.dhp.actionmanager.project.PrepareProjects;
|
|
import eu.dnetlib.dhp.actionmanager.project.utils.model.Project;
|
|
import eu.dnetlib.dhp.application.ArgumentApplicationParser;
|
|
|
|
/**
|
|
* @author miriam.baglioni
|
|
* @Date 28/02/23
|
|
*/
|
|
public class ExtractFromZip implements Serializable {
|
|
private static final Logger log = LoggerFactory.getLogger(PrepareProjects.class);
|
|
private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
String jsonConfiguration = IOUtils
|
|
.toString(
|
|
PrepareProjects.class
|
|
.getResourceAsStream(
|
|
"/eu/dnetlib/dhp/actionmanager/project/extract_fromzip_parameters.json"));
|
|
|
|
final ArgumentApplicationParser parser = new ArgumentApplicationParser(jsonConfiguration);
|
|
|
|
parser.parseArgument(args);
|
|
|
|
final String inputPath = parser.get("inputPath");
|
|
log.info("inputPath {}: ", inputPath);
|
|
|
|
final String outputPath = parser.get("outputPath");
|
|
log.info("outputPath {}: ", outputPath);
|
|
|
|
final String hdfsNameNode = parser.get("hdfsNameNode");
|
|
log.info("hdfsNameNode {}", hdfsNameNode);
|
|
|
|
Configuration conf = new Configuration();
|
|
conf.set("fs.defaultFS", hdfsNameNode);
|
|
|
|
FileSystem fs = FileSystem.get(conf);
|
|
|
|
doExtract(inputPath, outputPath, fs);
|
|
|
|
}
|
|
|
|
private static void doExtract(String inputFile, String workingPath, FileSystem fileSystem)
|
|
throws IOException {
|
|
|
|
final Path path = new Path(inputFile);
|
|
|
|
FSDataInputStream project_zip = fileSystem.open(path);
|
|
|
|
try (ZipInputStream zis = new ZipInputStream(project_zip)) {
|
|
ZipEntry entry = null;
|
|
while ((entry = zis.getNextEntry()) != null) {
|
|
|
|
if (!entry.isDirectory()) {
|
|
String fileName = entry.getName();
|
|
byte buffer[] = new byte[1024];
|
|
int count;
|
|
|
|
try (
|
|
FSDataOutputStream out = fileSystem
|
|
.create(new Path(workingPath + fileName))) {
|
|
|
|
while ((count = zis.read(buffer, 0, buffer.length)) != -1)
|
|
out.write(buffer, 0, count);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|