/**
 * @return Set that contains the Process names available
 */
@SuppressWarnings("unchecked")
public static TreeSet <String>getProcessName(String baseUrl, String uname, String pwd){
	int pendingCount=0;
	String psName="";
	TreeSet <String>pndngLst = new TreeSet <String>();
	JSONParser parser = new JSONParser();
	try{
		URL jsonWF = new URL(baseUrl+
				"wflow-wfweb/web/json/workflow/assignment/history" +
				"?j_username="+uname+"&j_password="+pwd);
		URLConnection jsonData = jsonWF.openConnection();
		BufferedReader in = new BufferedReader(
				new InputStreamReader(
						jsonData.getInputStream()));
		String inputLine="",psList="";
		/*Get the pending assignment list JSON object*/
		while ((inputLine = in.readLine()) != null) {
			psList+=inputLine;				
		}
		output.write("\nList of processes : "+psList);
		Object obj=parser.parse(psList); 
		JSONObject jsonObj=(JSONObject)obj;

		/*get the total no of process history available*/
		String total=jsonObj.get("total").toString();
		pendingCount=Integer.parseInt(total);
		
		if(pendingCount == 1){
			String data=jsonObj.get("data").toString();

			/*Parse the data part to get the process name in list JSON Object*/
			obj=parser.parse(data);
			jsonObj=(JSONObject)obj;				
			psName=jsonObj.get("processName").toString();				
			pndngLst.add(psName);				
		}
		else if(pendingCount > 1){
			String data=jsonObj.get("data").toString();

			/*Parse the data part to get the process name in list JSON Object*/
			obj=parser.parse(data);
			JSONArray array=(JSONArray)obj;
			ArrayList dataList=new ArrayList();
			for(int i=0;i<array.size();i++){
				output.write("\nData at "+(i+1)+" is : "+array.get(i));
				dataList.add(array.get(i));
			}		

			/*Add the activity id to a List*/					    

			for(int i=0;i<dataList.size();i++){
				obj=parser.parse(dataList.get(i).toString());
				jsonObj=(JSONObject)obj;					
				psName=jsonObj.get("processName").toString();					
				pndngLst.add(psName);	
			}	
		}
	}
	catch(Exception e){
		e.printStackTrace();
	}
	return pndngLst;
}