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POAlert window until method finishes execution in Swing
 

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  1. POAlert window until method finishes execution in Swing
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    <p>The shown image is my window made using <code>Swing</code>. </p> <p>How do I create an alert window when i click <code>Submit</code> button and the alert should display until the action performed is completed(alert+code should run in background) ?</p> <p>Here is my code snippet :</p> <pre><code>private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { //alert window should start here when button performed //and end based on the output i get DefaultHttpClient httpclient = new DefaultHttpClient(); jLabel3.setText(""); try { httpclient.getCredentialsProvider().setCredentials( new AuthScope(getHost(), AuthScope.ANY_PORT), new UsernamePasswordCredentials(getUser(), getPass())); HttpResponse response = null; HttpEntity entity = null; try { response = httpclient.execute(httpget); if(response.getStatusLine().getStatusCode()==500) { jLabel3.setText("Such Goods Movement does not exist / You do not have permssions for the entered."); //end here or } else if(response.getStatusLine().getStatusCode()==401) { System.out.println(response); jLabel3.setText("Auth Failed"); //end here or soon based on the event } entity = response.getEntity(); System.out.println(entity); if (entity != null) { InputStream instream = entity.getContent(); System.out.println(instream); BufferedReader reader = new BufferedReader( new InputStreamReader(instream)); String inputLine; String xmlText=""; while ((inputLine = reader.readLine()) != null) xmlText = xmlText+inputLine+"\n"; System.out.println(xmlText); try { DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder(); InputSource is = new InputSource(); is.setCharacterStream(new StringReader(xmlText)); DefaultTableModel model = (DefaultTableModel) jTable1.getModel(); model.setRowCount(0); Document doc = db.parse(is); NodeList nodes = doc.getElementsByTagName("MaterialMgmtInternalMovementLine"); for (int i = 0; i &lt; nodes.getLength(); i++) { Element element = (Element) nodes.item(i); getListGRNLine(element); } } catch (SAXException ex) { Logger.getLogger(GoodsReceipt.class.getName()).log(Level.SEVERE, null, ex); } catch (ParserConfigurationException ex) { Logger.getLogger(GoodsReceipt.class.getName()).log(Level.SEVERE, null, ex); } } } catch(UnknownHostException e){ jLabel3.setText("URL Not Found / Check Internet Connectivity"); } catch(NoRouteToHostException f){ jLabel3.setText("URL Not Found / Check Internet Connectivity"); } catch (IOException ex) { Logger.getLogger(GoodsReceipt.class.getName()).log(Level.SEVERE, null, ex); } try { EntityUtils.consume(entity); } catch (IOException ex) { Logger.getLogger(GoodsReceipt.class.getName()).log(Level.SEVERE, null, ex); } } catch (UnsupportedEncodingException ex) { Logger.getLogger(GoodsReceipt.class.getName()).log(Level.SEVERE, null, ex); } finally { // When HttpClient instance is no longer needed, // shut down the connection manager to ensure // immediate deallocation of all system resources httpclient.getConnectionManager().shutdown(); } } </code></pre> <p>Image Window : </p> <p><img src="https://i.stack.imgur.com/qckJV.png" alt="IMAGEWINDOW"></p>
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    1. USAndrew Thompson
    1. USMani Deep
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    1. COhttp://i.imgur.com/sqSs9E1.png this is the link for my image (window)
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      1. USMani Deep
    2. COPlease have a look at [SwingWorker](http://docs.oracle.com/javase/tutorial/uiswing/concurrency/worker.html). At the place of the comment in the `actionPerformed()` method, put a `JDialog` to visible state with alert message, put rest of the code inside `doInBackground()` method of the `SwingWorker` and inside `done()` method, simply dispose of the `JDialog`. You have to place calls like `JLabel.setText()` on the `Event Dispatcher Thread`. If it is the result of some intermediate thingy, then simply call `publish()` and perform `JLabel.setText()` inside `process()` method. That is it :-)
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    3. COok ill try it :)
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      1. USMani Deep
 

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