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