package org.drools.process.workitem.archive;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.List;
import org.apache.commons.compress.archivers.ArchiveOutputStream;
import org.apache.commons.compress.archivers.ArchiveStreamFactory;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.compressors.CompressorOutputStream;
import org.apache.commons.compress.compressors.CompressorStreamFactory;
import org.apache.commons.compress.utils.IOUtils;
import org.drools.process.instance.WorkItemHandler;
import org.drools.runtime.process.WorkItem;
import org.drools.runtime.process.WorkItemManager;
public class ArchiveWorkItemHandler implements WorkItemHandler {
public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
String archive = (String) workItem.getParameter("Archive");
List<File> files = (List<File>) workItem.getParameter("Files");
try {
OutputStream outputStream = new FileOutputStream( new File( archive) );
ArchiveOutputStream os = new ArchiveStreamFactory().createArchiveOutputStream("tar", outputStream);
if (files != null) {
for (File file: files) {
final TarArchiveEntry entry = new TarArchiveEntry("testdata/test1.xml");
entry.setModTime(0);
entry.setSize(file.length());
entry.setUserId(0);
entry.setGroupId(0);
entry.setMode(0100000);
os.putArchiveEntry(entry);
IOUtils.copy(new FileInputStream(file), os);
}
}
os.closeArchiveEntry();
os.close();
manager.completeWorkItem(workItem.getId(), null);
} catch (Throwable t) {
t.printStackTrace();
manager.abortWorkItem(workItem.getId());
}
}
public void abortWorkItem(WorkItem workItem, WorkItemManager manager) {
// Do nothing, this work item cannot be aborted
}
}