Pierpaolo Lombardi [http://community.jboss.org/people/pierx83] created the discussion "Re: Human task client on a different user GUI" To view the discussion, visit: http://community.jboss.org/message/624243#624243 -------------------------------------------------------------- Hi! Thanks a lot for these informations. Actually I started to do training on TaskClient but I'm experiencing a problem for the case in which a process variable has to be passed to the task. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/624243#624243] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]

Pierpaolo Lombardi [http://community.jboss.org/people/pierx83] created the discussion "Re: Human task client on a different user GUI" To view the discussion, visit: http://community.jboss.org/message/625741#625741 -------------------------------------------------------------- Hi, actually I use the REST interface just to start a process. The Task management activities are done by using the TaskClient library provided with jbpm. About the start process, here my code: **public** **void** startProcess(String username,String password,String processName, Map<String, Object> parameters) { JBPMRestOperations jbpmRestOperations = new JBPMRestOperations ("localhost","8080"); String responseString = *this*.jbpmRestOperations.requestPostService(processName, parameters); **if**(responseString.substring(101).startsWith("j_security_check")) //REST needs authentication **this**.jbpmRestOperations.authenticate(username, password); **this**.jbpmRestOperations.requestPostService(processName, parameters);} and the JBPMRestOperations class is: import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; public class JBPMRestOperations { public String KEY_USERNAME = "j_username"; public String KEY_PASSWORD = "j_password"; private DefaultHttpClient httpClient; // keep this out of the method in order to reuse the object for calling other services without losing session private String address; public JBPMRestOperations(String host,String port){ httpClient = new DefaultHttpClient(); this.address = host+":"+port; } public String authenticate(String username, String password) { String responseString = ""; List<NameValuePair> formparams = new ArrayList<NameValuePair>(); formparams.add(new BasicNameValuePair(KEY_USERNAME, username)); formparams.add(new BasicNameValuePair(KEY_PASSWORD, password)); HttpPost httpPost = new HttpPost("http://" + address + "/gwt-console-server/rs/process/j_security_check"); InputStreamReader inputStreamReader = null; BufferedReader bufferedReader = null; try { UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, "UTF-8");//UrlEncodedFormEntity(formparams, "multipart/form-data"); httpPost.setEntity(entity); HttpResponse response = httpClient.execute(httpPost); InputStream inputStream = response.getEntity().getContent(); inputStreamReader = new InputStreamReader(inputStream); bufferedReader = new BufferedReader(inputStreamReader); StringBuilder stringBuilder = new StringBuilder(); String line = bufferedReader.readLine(); while (line != null) { stringBuilder.append(line); line = bufferedReader.readLine(); } responseString = stringBuilder.toString(); } catch (Exception e) { throw new RuntimeException(e); } finally { if (inputStreamReader != null) { try { inputStreamReader.close(); } catch (Exception e) { throw new RuntimeException(e); } } if (bufferedReader != null) { try { bufferedReader.close(); } catch (Exception e) { throw new RuntimeException(e); } } } return responseString; } public String requestPostService(String processName, Map<String, Object> parameters) { String responseString = ""; List<NameValuePair> formparams = new ArrayList<NameValuePair>(); if (parameters == null) { parameters = new HashMap<String, Object>(); } Set<String> keys = parameters.keySet(); for (Iterator<String> keysIterator = keys.iterator(); keysIterator.hasNext();) { String keyString = keysIterator.next(); String value = parameters.get(keyString).toString(); formparams.add(new BasicNameValuePair(keyString, value)); } HttpPost httpPost = new HttpPost("http://" + address + "/gwt-console-server/rs/process/definition/"+processName+"/new_instance_params"); InputStreamReader inputStreamReader = null; BufferedReader bufferedReader = null; try { UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, "UTF-8"); httpPost.setEntity(entity); HttpResponse response = httpClient.execute(httpPost); InputStream inputStream = response.getEntity().getContent(); inputStreamReader = new InputStreamReader(inputStream); bufferedReader = new BufferedReader(inputStreamReader); StringBuilder stringBuilder = new StringBuilder(); String line = bufferedReader.readLine(); while (line != null) { stringBuilder.append(line); line = bufferedReader.readLine(); } responseString = stringBuilder.toString(); } catch (Exception e) { throw new RuntimeException(e); } finally { if (inputStreamReader != null) { try { inputStreamReader.close(); } catch (Exception e) { throw new RuntimeException(e); } } if (bufferedReader != null) { try { bufferedReader.close(); } catch (Exception e) { throw new RuntimeException(e); } } } return responseString; } }  -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/625741#625741] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]

Pierpaolo Lombardi [http://community.jboss.org/people/pierx83] created the discussion "Re: Human task client on a different user GUI" To view the discussion, visit: http://community.jboss.org/message/626166#626166 -------------------------------------------------------------- Yes I was. I use the TaskClient utilities. Here my code to start and to complete a task (the start method reads the input parameters and the complete one write the output parameters). I hope this can help you   public Object start(String user,Task task) throws Exception { this.taskClient.start(task.getId(),user, null); BlockingGetTaskResponseHandler handlerT = new BlockingGetTaskResponseHandler(); this.taskClient.getTask(id, handlerT); org.jbpm.task.Task t = handlerT.getTask(); TaskData taskData = t.getTaskData(); // System.out.println("TaskData = "+taskData); BlockingGetContentResponseHandler handlerC = new BlockingGetContentResponseHandler(); this.taskClient.getContent(taskData.getDocumentContentId(), handlerC); Content content = handlerC.getContent(); // System.out.println("Content= "+content); ByteArrayInputStream bais = new ByteArrayInputStream(content.getContent()); ObjectInputStream ois = new ObjectInputStream(bais); //parameter può essere un parametro di tipo primitivo o un oggetto //a seconda del task che esegue il cast Object parameter =ois.readObject(); // System.out.println("parameter = "+parameter); return parameter;   //input parameter of the task } /** * Complete the task execution */ public void complete(String user,Task task,Map<String,String> parameters){ ContentData contentData = null; if (parameters != null) { ByteArrayOutputStream bos = new ByteArrayOutputStream(); ObjectOutputStream out; try { out = new ObjectOutputStream(bos); out.writeObject(parameters); out.close(); contentData = new ContentData(); contentData.setContent(bos.toByteArray()); contentData.setAccessType(AccessType.Inline); } catch (IOException e) { e.printStackTrace(); } } BlockingTaskOperationResponseHandler responseHandler = new BlockingTaskOperationResponseHandler(); this.taskClient.complete(task.getId(), user, contentData, responseHandler); responseHandler.waitTillDone(5000); } -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/626166#626166] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]

Seme Seme [http://community.jboss.org/people/kita] created the discussion "Re: Human task client on a different user GUI" To view the discussion, visit: http://community.jboss.org/message/626919#626919 -------------------------------------------------------------- h1. Pierpaolo, I really appreciated your help. I was able to start process using rest code. My question related about task was how to use rest to post data to task. My project is to evaluate how to build custom struts application to leverage jbpm5 rest api. Were you able to post data to task via rest? -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/626919#626919] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]