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";
//private static final String process_start_url = "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";
private static final String render_form_url = "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://" + 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.