com.hp.j2sh.project.action.JoinCommunity.java Source code

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Here is the source code for com.hp.j2sh.project.action.JoinCommunity.java

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package com.hp.j2sh.project.action;

import com.hp.j2sh.project.entity.AllCommunities;
import com.hp.j2sh.project.entity.CommunityUsers;
import com.hp.j2sh.project.util.MyHibernateUtil;
import com.opensymphony.xwork2.ActionSupport;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.dispatcher.SessionMap;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.SessionAware;
import org.hibernate.Criteria;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author Abhishek
 */
public class JoinCommunity extends ActionSupport implements SessionAware, ServletRequestAware {

    private SessionMap sessionMap;
    private HttpServletRequest request;
    private String communityId;

    public String getCommunityId() {
        return communityId;
    }

    public void setCommunityId(String communityId) {
        this.communityId = communityId;
    }

    public JoinCommunity() {
    }

    @Override
    public String execute() throws Exception {
        try {
            Integer community_id = Integer.parseInt(communityId);
            Integer user = (Integer) sessionMap.get("user_id");
            System.out.println("Join :: " + community_id);
            System.out.println("user :: " + user);

            Session session = MyHibernateUtil.getSession();
            Transaction transaction = session.beginTransaction();

            CommunityUsers communityUsers = new CommunityUsers(community_id, (Integer) sessionMap.get("user_id"));

            session.save(communityUsers);
            transaction.commit();

            sessionMap.put("RegisterMessage", "Community successfully joined !!!");

            try {
                Query query = session.createQuery("FROM CommunityUsers c WHERE c.userId = :user");
                query.setInteger("user", user);
                System.out.println("query :: " + query.getQueryString());
                List<CommunityUsers> tempList = query.list();
                List<AllCommunities> listUser = new ArrayList<AllCommunities>();
                for (CommunityUsers communityUsers1 : tempList) {
                    Criteria criteria2 = session.createCriteria(AllCommunities.class);
                    criteria2.add(Restrictions.eq("communityId", communityUsers1.getCommunityId()));
                    AllCommunities allCommunities1 = (AllCommunities) criteria2.list().iterator().next();
                    listUser.add(allCommunities1);
                }
                sessionMap.put("communityListUser", listUser);

                List<AllCommunities> listAll = new ArrayList<AllCommunities>();
                List<Integer> userIds = new ArrayList<Integer>();
                for (AllCommunities allCommunities1 : listUser) {
                    userIds.add(allCommunities1.getCommunityId());
                }
                System.out.println("userIDs :: " + userIds);
                Criteria criteria1 = session.createCriteria(AllCommunities.class);
                List<AllCommunities> tempListAll = criteria1.list();
                for (AllCommunities ac : tempListAll) {
                    boolean found = false;
                    for (Integer i : userIds) {
                        if (ac.getCommunityId().equals(i)) {
                            found = true;
                            break;
                        }
                    }
                    if (!found) {
                        listAll.add(ac);
                    }
                }
                sessionMap.put("communityListAll", listAll);
            } catch (Exception e) {
                System.out.println("Join :: query :: " + e);
            }
            return SUCCESS;
        } finally {

        }
        //        catch (Exception e) {
        //            System.out.println("( JoinCommunity ) Exception :: " + e);
        //            sessionMap.put("RegisterMessage", "Community joining unsuccessful !!!");
        //            return ERROR;
        //        }
    }

    public void setSession(Map<String, Object> map) {
        this.sessionMap = (SessionMap) map;
    }

    public void setServletRequest(HttpServletRequest hsr) {
        this.request = hsr;
    }

}