--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/mpiwg/web/AbstractBean.java	Tue Mar 10 14:50:41 2015 +0100
@@ -0,0 +1,36 @@
+package de.mpiwg.web;
+
+import java.util.ArrayList;
+
+import javax.faces.context.FacesContext;
+
+public class AbstractBean {
+
+	public Object getRequestBean(String name){
+		return FacesContext.getCurrentInstance().getExternalContext().getRequestMap().get(name);
+	}
+	
+	public SessionBean getSessionBean(){
+		return (SessionBean)FacesContext.getCurrentInstance().getExternalContext().getSessionMap().get(SessionBean.BEAN_NAME);
+	}
+	
+	public void addMsg(String msg){
+		if(getSessionBean().getMsgList() == null){
+			getSessionBean().setMsgList(new ArrayList<String>());
+		}
+		if(!getSessionBean().getMsgList().contains(msg)){
+			getSessionBean().getMsgList().add(msg);	
+		}
+	}
+	
+	public void listenerCloseMsgPopup(){
+		System.out.println("listenerCloseMsgPopup");
+		getSessionBean().setMsgList(null);
+	}
+	
+	public void internalError(Exception e){
+		addMsg("Internal Error: " + e.getMessage());
+		e.printStackTrace();
+	}
+	
+}