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1 package org.jbpm.webapp.bean;
2
3 import javax.faces.application.FacesMessage;
4 import javax.faces.context.FacesContext;
5
6 public class JsfHelper {
7
8 public static long getId(String  parameterName) {
9 long value = -1;
10 String valueText = (String ) FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get(parameterName);
11 try {
12 Long id = new Long (valueText);
13 value = id.longValue();
14 } catch (NumberFormatException e) {
15 throw new RuntimeException ("couldn't parse '"+parameterName+"'='"+valueText+"' as a long");
16 }
17 return value;
18 }
19
20 public static void addMessage(String msg) {
21 FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(msg));
22 }
23
24 public static void setSessionAttribute(String key, Object value) {
25 FacesContext.getCurrentInstance().getExternalContext().getSessionMap().put(key, value);
26 }
27
28 public static Object getSessionAttribute(String key) {
29 return FacesContext.getCurrentInstance().getExternalContext().getSessionMap().get(key);
30 }
31
32 public static void removeSessionAttribute(String key) {
33 FacesContext.getCurrentInstance().getExternalContext().getSessionMap().remove(key);
34 }
35
36 public static String getParameter(String name) {
37 return (String ) FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get(name);
38 }
39 }
41 |
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