snowstorm tech [https://community.jboss.org/people/snowstormuser] created the discussion
"Re: Starting process instance using the jBPM REST API and setting parameters" To view the discussion, visit: https://community.jboss.org/message/799005#799005 -------------------------------------------------------------- Hi https://community.jboss.org/people/jmiguel77 Jose Miguel Loor, Use the following programme may be help you, > > > import java.io.BufferedReader; > import java.io.InputStream; > import java.io.InputStreamReader; > import java.nio.charset.Charset; > import java.util.ArrayList; > import java.util.HashMap; > import java.util.List; > import java.util.*; > > > import org.apache.http.HttpResponse; > import org.apache.http.NameValuePair; > import org.apache.http.client.entity.UrlEncodedFormEntity; > import org.apache.http.client.methods.HttpGet; > import org.apache.http.client.methods.HttpPost; > import org.apache.http.entity.mime.HttpMultipartMode; > import org.apache.http.entity.mime.MultipartEntity; > import org.apache.http.entity.mime.content.ContentBody; > import org.apache.http.entity.mime.content.StringBody; > import org.apache.http.impl.client.DefaultHttpClient; > import org.apache.http.message.BasicNameValuePair; > > > /* > * To change this template, choose Tools | Templates > * and open the template in the editor. > */ > > > /** > * > * @author Shahid > */ > public class StartProcessWV { > private static final String authentication_url = " > http://localhost:8080/gwt-console-server/rs/identity/secure/j_security_check > http://localhost:8080/gwt-console-server/rs/identity/secure/j_security_check";; > //private static final String process_start_url = " > http://localhost:8080/gwt-console-server/rs/process/definition/defaultPackage.ProcessWV/new_instance > > http://localhost:8080/gwt-console-server/rs/process/definition/defaultPackage.ProcessWV/new_instance";; > private static final String process_start_url = " > http://localhost:8080/gwt-console-server/rs/form/process/defaultPackage.ProcessWV/complete > > http://localhost:8080/gwt-console-server/rs/form/process/defaultPackage.ProcessWV/complete";; > > > private static final String render_form_url = " > http://localhost:8080/gwt-console-server/rs/form/process/defaultPackage.ProcessWV/render > > http://localhost:8080/gwt-console-server/rs/form/process/defaultPackage.ProcessWV/render";; > > public static String KEY_USERNAME = "j_username"; > public static String KEY_PASSWORD = "j_password"; > private DefaultHttpClient httpClient = new DefaultHttpClient(); // keep this > out of the method in order to reuse the object for calling other services > without losing session > public String authenticate(String address, String username, String password) { > String responseString = ""; > // new NameValuePair("j_username", username) > List<NameValuePair> formparams = new ArrayList<NameValuePair>(); > formparams.add(new BasicNameValuePair(KEY_USERNAME, username)); > formparams.add(new BasicNameValuePair(KEY_PASSWORD, password)); > > HttpPost httpPost = new HttpPost( address ); > // HttpPost httpPost = new HttpPost(" http:// 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 entity=new > 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(); > // System.out.println("line==>"+line); > while (line != null) { > stringBuilder.append(line); > line = bufferedReader.readLine(); > } > responseString = stringBuilder.toString(); > } catch (Exception e) { > //throw new RuntimeException(e); > System.out.println("e = " + 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 url, Map<String, Object> parameters, > boolean multipart) { > String responseString = ""; > > MultipartEntity multiPartEntity = new > MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE); > List<BasicNameValuePair> formparams = new > ArrayList<BasicNameValuePair>(); > 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)); > if (multipart) { > try { > StringBody stringBody = new StringBody(value, > Charset.forName("UTF-8")); > //System.out.println(stringBody.); > multiPartEntity.addPart(keyString, (ContentBody) > stringBody); > } catch (Exception e) { > throw new RuntimeException(e); > } > } > } > HttpPost httpPost = new HttpPost(url); > > InputStreamReader inputStreamReader = null; > BufferedReader bufferedReader = null; > try { > if (multipart) { > httpPost.setEntity(multiPartEntity); > } else { > UrlEncodedFormEntity entity =new > UrlEncodedFormEntity(formparams, "UTF-8");// new > 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 requestGetService(String url, Map<String, Object> parameters, > boolean multipart) { > String responseString = ""; > > > > HttpGet httpGet = new HttpGet(url); > > InputStreamReader inputStreamReader = null; > BufferedReader bufferedReader = null; > try { > > HttpResponse response = httpClient.execute(httpGet); > InputStream inputStream = response.getEntity().getContent(); > inputStreamReader = new InputStreamReader(inputStream); > bufferedReader = new BufferedReader(inputStreamReader); > StringBuilder stringBuilder = new StringBuilder(); > String line = bufferedReader.readLine(); > // System.out.println("line = " + line); > 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 static void main(String args[]) > { > StartProcessWV startProcessWV=new StartProcessWV(); > Map map=new HashMap(); > map.put("name", "Shahid Iqbal"); > // map.put("age", "29"); > System.out.println("Login Form==> > "+startProcessWV.requestGetService(render_form_url, null, true)); > > System.out.println(startProcessWV.authenticate(authentication_url, > "admin", "admin")+"\n"); > System.out.println("Render Form==> > "+startProcessWV.requestGetService(render_form_url, null, true)+"\n"); > System.out.println("Process start Output==> > "+startProcessWV.requestPostService(process_start_url, map, true)); > > } > } > please change the process id and your process should have the process form. I hope so it will helpfull for you. Sorry for my english -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/799005#799005] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034]
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