Mercurial > hg > IndexMetaContextualizer

annotate src/main/java/de/mpiwg/indexmeta/web/servlet/AbstractServlet.java @ 8:9ce7979fd037

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Implementation Data Provider
author Jorge Urzua <jurzua@mpiwg-berlin.mpg.de>
date Wed, 24 Apr 2013 10:34:23 +0200
parents bc57f2660b0f
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1 package de.mpiwg.indexmeta.web.servlet;
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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.HttpServlet;
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10 import javax.servlet.http.HttpServletRequest;
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11 import javax.servlet.http.HttpServletResponse;
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13 import de.mpiwg.indexmeta.services.DataProvider;
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14 import de.mpiwg.indexmeta.web.beans.AbstractBean;
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15 import de.mpiwg.indexmeta.web.beans.ApplicationBean;
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18 public class AbstractServlet extends HttpServlet {
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19 private static final long serialVersionUID = 1L;
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21 public static String METHOD = "mt";
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22 public static String getCtxFromDB = "getCtxFromDB";
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23 public static String getCtxFromIndexMeta = "getCtxFromIndexMeta";
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24 public static String getSaveCtx = "getSaveCtx";
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26 public ApplicationBean getAppBean(HttpServletRequest request, HttpServletResponse response) {
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27 ApplicationBean appBean = (ApplicationBean)getApplicationBean(request, response, AbstractBean.BEAN_APP);
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29 if(appBean == null){
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30 appBean = new ApplicationBean();
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31 getFacesContext(request, response).getCurrentInstance().getExternalContext().getApplicationMap().put(AbstractBean.BEAN_APP, appBean);
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32 }
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33 return appBean;
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34 }
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36 public DataProvider getDp(HttpServletRequest request, HttpServletResponse response) {
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37 return getAppBean(request, response).getDp();
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38 }
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40 public Object getApplicationBean(HttpServletRequest request, HttpServletResponse response, String bean) {
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41 return getFacesContext(request, response).getExternalContext().getApplicationMap().get(bean);
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42 }
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45 public FacesContext getFacesContext(HttpServletRequest request, HttpServletResponse response) {
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46 ServletContext servletContext = ((HttpServletRequest)request).getSession().getServletContext();
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47 FacesContextFactory contextFactory = (FacesContextFactory) FactoryFinder.getFactory(FactoryFinder.FACES_CONTEXT_FACTORY);
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48 LifecycleFactory lifecycleFactory = (LifecycleFactory)FactoryFinder.getFactory(FactoryFinder.LIFECYCLE_FACTORY);
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49 Lifecycle lifecycle = lifecycleFactory.getLifecycle(LifecycleFactory.DEFAULT_LIFECYCLE);
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50 return contextFactory.getFacesContext(servletContext, request, response, lifecycle);
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51 }
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52 }