View source for Java Batch Client

<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;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class SERVICENAMEClientBatch {
    
    // service base URL
    static final String textServer_URL = "http://frodo.lsi.upc.edu:8080/TextWS/textservlet/ws";
    static final String service = "SERVICENAME";
    
    public static void main(String[] args) throws Exception {

        // Get request parameters
        System.out.print("Input ZIP file: ");
        String fname = System.console().readLine();
        System.out.print("Language: ");
        String lang = System.console().readLine();
        System.out.print("Output format (xml,json,conll,naf): ");
        String out = System.console().readLine();
        System.out.print("TextServer Username: ");
        String user = System.console().readLine();
        System.out.print("TextServer Password: ");
        String pwd = System.console().readLine();

        // Create request, fill query parameters
        HttpPost request = new HttpPost(textServer_URL+"/processQuery/"+service);
        request.setEntity(MultipartEntityBuilder
                          .create()
                          .addTextBody("username", user)
                          .addTextBody("password", pwd)
                          .addPart("file", new FileBody(new File(fname)))
                          .addTextBody("language", lang)
                          .addTextBody("output", out)
                          .addTextBody("interactive", "0")
                          .build() );
        
        // create client, send request, get response
        HttpClient client = HttpClientBuilder.create().build();
        HttpResponse response = client.execute(request);
        String content = EntityUtils.toString(response.getEntity());

        // check for communication errors
        if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
            System.out.println(response.getStatusLine() + " - " + content);
            System.exit(1);
        }

        // Server response should include a job tokenID, retrieve it
        // (You can use an XML parser to extract it if you want to do it nicer)
        Pattern pattern = Pattern.compile("<job_token_id>(.*)</job_token_id>");
        Matcher matcher = pattern.matcher(content);
        String tokenID="";
        if (matcher.find()) 
            tokenID = matcher.group(1);
        else {
            // unexpected response
            System.out.println(content);
            System.exit(1);
        }
        
        System.out.println("Job submitted. Token ID="+tokenID);
    }
}
</syntaxhighlight>