120 lines
3.8 KiB
Java
120 lines
3.8 KiB
Java
package eu.dnetlib.ariadneplus.workflows.nodes;
|
|
|
|
import com.google.common.collect.Lists;
|
|
import eu.dnetlib.msro.workflows.graph.Arc;
|
|
import eu.dnetlib.msro.workflows.nodes.AsyncJobNode;
|
|
import eu.dnetlib.msro.workflows.procs.Env;
|
|
import eu.dnetlib.msro.workflows.util.WorkflowsConstants;
|
|
import eu.dnetlib.rmi.manager.MSROException;
|
|
import org.apache.commons.logging.Log;
|
|
import org.apache.commons.logging.LogFactory;
|
|
import org.apache.http.NameValuePair;
|
|
import org.apache.http.client.entity.UrlEncodedFormEntity;
|
|
import org.apache.http.client.methods.CloseableHttpResponse;
|
|
import org.apache.http.client.methods.HttpPost;
|
|
import org.apache.http.impl.client.CloseableHttpClient;
|
|
import org.apache.http.impl.client.HttpClients;
|
|
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
|
|
import org.apache.http.message.BasicNameValuePair;
|
|
|
|
import java.io.IOException;
|
|
import java.net.ConnectException;
|
|
import java.util.List;
|
|
|
|
|
|
public class ImportPeriodoIntoGraphDBJobNode extends AsyncJobNode {
|
|
|
|
private static final Log log = LogFactory.getLog(ImportPeriodoIntoGraphDBJobNode.class);
|
|
|
|
private String dataUrl;
|
|
private String context;
|
|
private String publisherEndpoint;
|
|
|
|
//for parallel requests to the publisher endpoint
|
|
private int nThreads = 5;
|
|
|
|
@Override
|
|
protected String execute(final Env env) throws Exception {
|
|
|
|
int statusCode = -1;
|
|
String loadedResult = "noResult";
|
|
log.info("Publisher endpoint: " + getPublisherEndpoint());
|
|
log.info("Context: " + getContext());
|
|
log.info("Data url: " + getDataUrl());
|
|
PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
|
|
cm.setMaxTotal(nThreads);
|
|
CloseableHttpClient client = HttpClients.custom().setConnectionManager(cm).build();
|
|
|
|
log.info("Feed from url endpoint: " + getFeedFromUrlEndpoint());
|
|
CloseableHttpResponse responsePOST = null;
|
|
try {
|
|
HttpPost post = new HttpPost(getFeedFromUrlEndpoint());
|
|
List<NameValuePair> params = Lists.newArrayList();
|
|
params.add(new BasicNameValuePair("dataUrl", getDataUrl()));
|
|
params.add(new BasicNameValuePair("context", getContext()));
|
|
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(params, "UTF-8");
|
|
post.setEntity(entity);
|
|
responsePOST = client.execute(post);
|
|
statusCode = responsePOST.getStatusLine().getStatusCode();
|
|
switch (statusCode) {
|
|
case 200:
|
|
log.info("data loaded completed");
|
|
loadedResult = "data loaded from url "+ getDataUrl() + " into context "+ getContext();
|
|
break;
|
|
default:
|
|
log.error("error loading data into graphDB " + responsePOST.getStatusLine().getStatusCode() + ": " + responsePOST.getStatusLine().getReasonPhrase());
|
|
break;
|
|
}
|
|
} catch (ConnectException ce) {
|
|
log.error(ce);
|
|
throw new MSROException("Unable to connect to Publisher endpoint" + getFeedFromUrlEndpoint());
|
|
}
|
|
catch (IOException e) {
|
|
log.error(e);
|
|
throw new MSROException("IO error " + getFeedFromUrlEndpoint());
|
|
}
|
|
finally{
|
|
if(responsePOST != null) responsePOST.close();
|
|
client.close();
|
|
cm.shutdown();
|
|
}
|
|
|
|
env.setAttribute(WorkflowsConstants.MAIN_LOG_PREFIX + "statusCode", Integer.toString(statusCode));
|
|
env.setAttribute(WorkflowsConstants.MAIN_LOG_PREFIX + "loadedResult", loadedResult);
|
|
|
|
log.info(loadedResult);
|
|
if (statusCode!=200) {
|
|
throw new Exception("Error from Publisher endpoint [ status code: " + statusCode + " ]");
|
|
}
|
|
return Arc.DEFAULT_ARC;
|
|
}
|
|
|
|
public String getPublisherEndpoint() {
|
|
return publisherEndpoint;
|
|
}
|
|
|
|
private String getFeedFromUrlEndpoint() {
|
|
return publisherEndpoint.concat("/feedFromURL");
|
|
}
|
|
|
|
public void setPublisherEndpoint(final String publisherEndpoint) {
|
|
this.publisherEndpoint = publisherEndpoint;
|
|
}
|
|
|
|
public String getDataUrl() {
|
|
return dataUrl;
|
|
}
|
|
|
|
public void setDataUrl(String dataUrl) {
|
|
this.dataUrl = dataUrl;
|
|
}
|
|
|
|
public String getContext() {
|
|
return context;
|
|
}
|
|
|
|
public void setContext(String context) {
|
|
this.context = context;
|
|
}
|
|
}
|