Difference between revisions of "Java Interactive Client"

 1 ////////////////////////////////////////////////////////////////////////
 2 //
 3 //  Example client to submit an interactive request to TextServer 
 4 // SERVICENAME service. 
 5 //  Input may be a plain text or a text file.  No ZIP files.
 6 //  Output will be in the requested format (XML, json, conll)
 7 //
 8 ////////////////////////////////////////////////////////////////////////
 9 
10 
11 import org.apache.http.client.HttpClient;
12 import org.apache.http.HttpEntity;
13 import org.apache.http.HttpResponse;
14 import org.apache.http.HttpStatus;
15    
16 import org.apache.http.client.methods.HttpPost;
17 import org.apache.http.entity.mime.MultipartEntityBuilder;
18 import org.apache.http.impl.client.HttpClientBuilder;
19 import org.apache.http.util.EntityUtils;
20 
21 public class SERVICENAMEClientInteractive {
22     
23     // service base URL
24     static final String url = "http://frodo.lsi.upc.edu:8080/TextWS/textservlet/ws/processQuery/";
25     static final String service = "SERVICENAME";
26     static final int BUFFERSIZE = 2048;
27     
28     public static void main(String[] args) throws Exception {
29 
30         // Get request parameters
31         System.out.print("Text to analyze: ");
32         String text = System.console().readLine();
33         System.out.print("Language: ");
34         String lang = System.console().readLine();
35         System.out.print("Output format (xml,json,conll,naf): ");
36         String out = System.console().readLine();
37         System.out.print("TextServer Username: ");
38         String user = System.console().readLine();
39         System.out.print("TextServer Password: ");
40         String pwd = System.console().readLine();
41 
42         // Create request, fill query parameters
43         HttpPost request = new HttpPost(url+service);
44         request.setEntity(MultipartEntityBuilder.create()
45                                                  .addTextBody("username", user)
46                                                  .addTextBody("password", pwd)
47                                                  .addTextBody("text_input", text)
48                                                  .addTextBody("language", lang)
49                                                  .addTextBody("output", out)
50                                                  .addTextBody("interactive", "1")
51                                                  .build()
52                           );
53         
54         // create client, send request, get response
55         HttpClient client = HttpClientBuilder.create().build();
56         HttpResponse response = client.execute(request);
57         String content = EntityUtils.toString(response.getEntity());
58 
59         // handle connection errors
60         if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
61             System.out.println(response.getStatusLine() + " - " + content);
62             System.exit(1);
63         }
64 
65         // No error, appropriately process response
66         // (e.g. parsing XML or JSON, and doing clever stuff with the content)
67         System.out.println(content);
68     }
69 }