/*  */package org.impact.stars.control.web;import java.util.HashMap;import java.util.ArrayList;import java.util.Collection;import java.util.Iterator;import javax.servlet.http.HttpSession;import javax.servlet.ServletContext;import org.impact.stars.util.Debug;import org.impact.stars.util.WebKeys;import org.impact.stars.util.EJBUtil;import org.impact.stars.control.web.ConceptWebImpl;import org.impact.stars.control.web.ConceptstrWebImpl;import org.impact.stars.conceptmd.conceptstr.model.ConceptstrModel;import org.impact.stars.conceptmd.conceptstr.ejb.ConceptstrLocal;import org.impact.stars.perspectivemd.perspective.model.PerspectiveModel;//import org.impact.stars.organizationmd.stakeholder.model.StakeholderModel;import org.impact.stars.conflictmd.conflict.ejb.ConflictLocal;import org.impact.stars.control.web.ConflictWebImpl;import org.impact.stars.organizationmd.profilemgr.model.ProfileMgrModel;import org.impact.stars.organizationmd.profilemgr.ejb.ProfileMgrLocal;//import org.impact.stars.organizationmd.user.model.UserModel;import org.impact.stars.organizationmd.user.ejb.UserLocal;import org.impact.stars.control.web.ProfileMgrWebImpl;import org.impact.stars.control.ejb.UserControllerLocal;import java.rmi.RemoteException;import javax.ejb.CreateException;import javax.ejb.FinderException;import org.impact.stars.control.exceptions.GeneralFailureException;import org.impact.stars.control.exceptions.StarsAppException;/** * Maintain the access of state information data. * Only session related object are stored here. */public class ModelManager extends ModelUpdateNotifier implements java.io.Serializable {    private ServletContext context;    private HttpSession session;    private UserControllerLocal urcEjb = null;    private ConceptstrLocal conceptstrEjb = null;    private ConceptstrLocal conceptEjb = null;    private ConflictLocal conflictEjb = null;    private ProfileMgrLocal proEjb = null;    private UserLocal userEjb = null;    private UserControllerWebImpl urcw = null;    public ModelManager() { }    public void init(ServletContext context, HttpSession session) {        this.session = session;        this.context = context;        //getConflictWebImpl();        //getConceptstrModel();        //getConceptModel();        getProfileMgrModel();        //getPerspectiveModel();        Debug.println("ModelManager init:");    }    public void setURC(UserControllerWebImpl urcw) {        this.urcw = urcw;    }    public PerspectiveWebImpl getPerspectiveModel() {        PerspectiveWebImpl Perspective = (PerspectiveWebImpl)        context.getAttribute(WebKeys.PerspectiveModelKey);        if (Perspective == null) {            Perspective = new PerspectiveWebImpl();            context.setAttribute(WebKeys.PerspectiveModelKey, Perspective);        }        return Perspective;    }    public ConceptWebImpl getConceptModel() {        ConceptWebImpl Concept = (ConceptWebImpl)        context.getAttribute(WebKeys.ConceptModelKey);        if (Concept == null) {            Concept = new ConceptWebImpl();            context.setAttribute(WebKeys.ConceptModelKey, Concept);        }        return Concept;    }    public ConflictWebImpl getConflictWebImpl() {        ConflictWebImpl conflict = (ConflictWebImpl)        session.getAttribute(WebKeys.ConflictModelKey);        if (conflict == null) {            conflict = new ConflictWebImpl();            session.setAttribute(WebKeys.ConflictModelKey, conflict);        }        return conflict;    }    public ProfileMgrModel getProfileMgrModel() {        ProfileMgrModel pro = (ProfileMgrModel)            session.getAttribute(WebKeys.ProfileMgrModelKey);        if (pro == null) {            pro = new ProfileMgrWebImpl(this);            session.setAttribute(WebKeys.ProfileMgrModelKey, pro);        }        return pro;    }        public UserWebImpl getUserWebImpl() {        UserWebImpl userwipl = (UserWebImpl)            session.getAttribute(WebKeys.UserModelKey);        if (userwipl == null) {            userwipl = new UserWebImpl(this);            session.setAttribute(WebKeys.UserModelKey, userwipl);        }        return userwipl;    }    public ConceptstrModel getConceptstrModel() {        ConceptstrWebImpl Conceptstr = (ConceptstrWebImpl)        context.getAttribute(WebKeys.ConceptstrModelKey);        if (Conceptstr == null) {            Conceptstr = new ConceptstrWebImpl();            Conceptstr.init(context);            context.setAttribute(WebKeys.ConceptstrModelKey, Conceptstr);        }        return Conceptstr;    }    public UserControllerLocal getURCEJB() {        Debug.println("ModelManager: getURCEJB");        if (urcEjb == null) {            try {                urcEjb = EJBUtil.getURCLocalHome().create();            } catch (CreateException ce) {                Debug.println("ModelManger: urcEjb cannot be created");                throw new GeneralFailureException(ce.getMessage());            } catch (javax.naming.NamingException ne) {                Debug.println("ModelManger: urcEjb cannot be created");                 throw new GeneralFailureException(ne.getMessage());            }        }        return urcEjb;    }            public UserLocal getUserEJB() {        if (userEjb == null) {            try {                userEjb = EJBUtil.getUserLocalHome().create();            } catch (CreateException ce) {                throw new GeneralFailureException(ce.getMessage());            } catch (javax.naming.NamingException ne) {                 throw new GeneralFailureException(ne.getMessage());            }        }        return userEjb;    }/*        public ConceptLocal getConceptEJB()throws StarsAppException {        if (conceptEjb == null) {            if (urcw == null) {                throw new                GeneralFailureException("ModelManager: Can not get concept Conceptstr EJB");            } else {                conceptEjb = urcw.getConceptEJB();            }        }        return conceptEjb;    }*/    /*    public ConceptstrLocal getConceptstrEJB()throws StarsAppException {        if (conceptstrEjb == null) {            if (urcw == null) {                throw new                GeneralFailureException("ModelManager: Can not get concept Conceptstr EJB");            } else {                conceptstrEjb = urcw.getConceptstrEJB();            }        }        return conceptstrEjb;    }    *//*    public ConflictLocal getConflictEJB() throws StarsAppException {        if (conflictEjb == null) {            if (urcw == null) {                throw new                GeneralFailureException("ModelManager: Can not get conflict EJB");            } else {                conflictEjb = urcw.getConflictEJB();            }        }        return conflictEjb;    }*/    public ProfileMgrLocal getProfileMgrEJB() throws StarsAppException {        if (proEjb == null) {            if (urcw == null) {                throw new                GeneralFailureException("ModelManager: Can not get profilemgr EJB");            } else {                proEjb = urcw.getProfileMgrEJB();            }        }        return proEjb;    }}