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1 package de.mpiwg.itgroup.diva.rest;
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2
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3 import javax.faces.FactoryFinder;
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4 import javax.faces.context.FacesContext;
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5 import javax.faces.context.FacesContextFactory;
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6 import javax.faces.lifecycle.Lifecycle;
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7 import javax.faces.lifecycle.LifecycleFactory;
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8 import javax.servlet.ServletContext;
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9 import javax.servlet.http.HttpServletRequest;
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10 import javax.servlet.http.HttpServletResponse;
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11
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12 import org.mpi.openmind.cache.WrapperService;
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13
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14 import de.mpiwg.itgroup.ismi.entry.beans.ApplicationBean;
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15 import de.mpiwg.itgroup.ismi.entry.beans.SessionBean;
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16
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17 public abstract class RestInterface {
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18
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19 public static String APP_BEAN = "ApplicationBean1";
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20 public static String SESSION_BEAN = "Session";
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21
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22
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23 protected boolean userCanEdit(HttpServletRequest request, HttpServletResponse response){
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24 SessionBean session = getSessionBean(request, response);
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25 return session.isCanEdit();
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26
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27 }
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28
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29 public SessionBean getSessionBean(HttpServletRequest request,
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30 HttpServletResponse response){
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31 return (SessionBean)getSessionBean(SESSION_BEAN, request, response);
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32 }
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33
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34 public WrapperService getWrapper(HttpServletRequest request,
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35 HttpServletResponse response){
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36 return getAppBean(request, response).getWrapper();
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37 }
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38
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39 public ApplicationBean getAppBean(HttpServletRequest request, HttpServletResponse response) {
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40 ApplicationBean appBean = (ApplicationBean)getApplicationBean(APP_BEAN, request, response);
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41
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42 if(appBean == null){
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43 appBean = new ApplicationBean();
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44 getFacesContext(request, response).getCurrentInstance().getExternalContext().getApplicationMap().put(APP_BEAN, appBean);
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45 }
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46 return appBean;
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47 }
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48
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49 private Object getApplicationBean(String bean, HttpServletRequest request,
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50 HttpServletResponse response) {
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51 return getFacesContext(request, response).getExternalContext().getApplicationMap().get(bean);
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52 }
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53
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54 private Object getSessionBean(String bean, HttpServletRequest request, HttpServletResponse response) {
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55 return getFacesContext(request, response).getExternalContext().getSessionMap().get(bean);
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56 }
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57
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58
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59 public FacesContext getFacesContext(HttpServletRequest request,
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60 HttpServletResponse response) {
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61 ServletContext servletContext = ((HttpServletRequest) request)
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62 .getSession().getServletContext();
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63 FacesContextFactory contextFactory = (FacesContextFactory) FactoryFinder
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64 .getFactory(FactoryFinder.FACES_CONTEXT_FACTORY);
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65 LifecycleFactory lifecycleFactory = (LifecycleFactory) FactoryFinder
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66 .getFactory(FactoryFinder.LIFECYCLE_FACTORY);
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67 Lifecycle lifecycle = lifecycleFactory
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68 .getLifecycle(LifecycleFactory.DEFAULT_LIFECYCLE);
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69 return contextFactory.getFacesContext(servletContext, request,
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70 response, lifecycle);
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71 }
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72
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73 }
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