Padro at 11:31, 21 January 2016

2016-01-21T11:31:02Z

Padro at 11:27, 21 January 2016

2016-01-21T11:27:49Z

Padro at 11:27, 21 January 2016

2016-01-21T11:27:40Z

Padro: Created page with " "

2016-01-21T11:26:31Z

Created page with "<syntaxhighlight lang="java" line="1" > </syntaxhighlight>"

New page

@@ Line 2: / Line 2: @@
 ////////////////////////////////////////////////////////////////////////////
 //
-//  Example client to submit a batch request to TextServer
+//  Example client to retrieve the results of a batch request to TextServer
-// SERVICENAME service, and wait for the job to be finished.
 //
 //  Output will be a ZIP file containing results for each input file in
 // the requested format (XML, json, conll)

@@ Line 10: / Line 10: @@
 //
 ////////////////////////////////////////////////////////////////////////////
 import org.apache.http.client.HttpClient;

← Older revision		Revision as of 11:27, 21 January 2016
Line 1:		Line 1:
	<syntaxhighlight lang="java" line="1" >		<syntaxhighlight lang="java" line="1" >
		+	////////////////////////////////////////////////////////////////////////////
		+	//
		+	// Example client to submit a batch request to TextServer
		+	// SERVICENAME service, and wait for the job to be finished.
		+	//
		+	// Input must be a ZIP file containing one or more text files to analyze
		+	// Output will be a ZIP file containing results for each input file in
		+	// the requested format (XML, json, conll)
		+	//
		+	////////////////////////////////////////////////////////////////////////////
		+
		+
		+	import org.apache.http.client.HttpClient;
		+	import org.apache.http.HttpResponse;
		+	import org.apache.http.HttpStatus;
		+	import org.apache.http.entity.mime.content.FileBody;
		+
		+	import org.apache.http.client.methods.HttpPost;
		+	import org.apache.http.entity.mime.MultipartEntityBuilder;
		+	import org.apache.http.impl.client.HttpClientBuilder;
		+	import org.apache.http.util.EntityUtils;
		+
		+	import java.io.File;
		+	import java.io.InputStream;
		+	import java.io.FileOutputStream;
		+
		+	public class RetrieveResults {
		+
		+	// service base URL
		+	static final String textServer_URL = "http://frodo.lsi.upc.edu:8080/TextWS/textservlet/ws";
		+
		+	public static void main(String[] args) throws Exception {
		+
		+	// Get request parameters
		+	System.out.print("TextServer Username: ");
		+	String user = System.console().readLine();
		+	System.out.print("TextServer Job Token ID: ");
		+	String tokenID = System.console().readLine();
		+	System.out.print("Output ZIP file: ");
		+	String outfname = System.console().readLine();
		+
		+
		+	// prepare request to poll for completion and retrieve results
		+	request = new HttpPost(textServer_URL+"/resultRetrieve");
		+	request.setEntity(MultipartEntityBuilder
		+	.create()
		+	.addTextBody("username", user)
		+	.addTextBody("tokenID", tokenID)
		+	.build() );
		+
		+	System.out.println("Polling server for job completion");
		+	response = client.execute(request);
		+	content = EntityUtils.toString(response.getEntity());
		+
		+	// we got an error code, lets see which one
		+	if (response.getStatusLine().getStatusCode()==HttpStatus.SC_SERVICE_UNAVAILABLE &&
		+	content.substring(0,8).equals("[TS-125]") ) {
		+	// SC=503 and TS_code=TS-125 mean job is not finished. keep waiting
		+	System.out.println("Job not finished yet.");
		+	System.exit(0);
		+	}
		+	else if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
		+	// some unexpected error happened
		+	System.out.println(content);
		+	System.exit(1);
		+	}
		+
		+	// No errors, we got response.
		+	// write the received ZIP result to output file
		+	InputStream sin = response.getEntity().getContent();
		+	byte data[] = new byte[sin.available()];
		+	sin.read(data);
		+
		+	FileOutputStream outf = new FileOutputStream(outfname);
		+	outf.write(data);
		+	outf.close();
		+
		+	System.out.println("Job finished. Results saved to "+outfname);
		+	}
		+	}
	</syntaxhighlight>		</syntaxhighlight>

Batch Results Retrieval in Java - Revision history

Padro at 11:31, 21 January 2016

Padro at 11:27, 21 January 2016

Padro at 11:27, 21 January 2016

Padro: Created page with " "