/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.evasion.common;
import com.evasion.entity.security.User;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanWrapperImpl;
import org.springframework.beans.BeansException;
import org.springframework.security.Authentication;
import org.springframework.security.GrantedAuthority;
import org.springframework.security.context.SecurityContext;
import org.springframework.security.context.SecurityContextHolder;
import org.springframework.security.util.TextUtils;
/**
*
* @author sebastien.glon
*/
public final class Utils {
/**
* Constructeur de classe utilitaire.
*/
private Utils() {
}
public static boolean isEmpty(final String var) {
return (var == null || var.equals(""));
}
public static String getUserName() {
Object result = null;
if ((SecurityContextHolder.getContext() == null)
|| (SecurityContextHolder.getContext().getAuthentication() == null)) {
return null;
}
Authentication auth = SecurityContextHolder.getContext().getAuthentication();
if (auth.getPrincipal() == null) {
return null;
}
try {
BeanWrapperImpl wrapper = new BeanWrapperImpl(auth);
result = wrapper.getPropertyValue("principal.username");
} catch (BeansException e) {
throw new javax.faces.FacesException(e);
}
TextUtils.escapeEntities(String.valueOf(result));
return (String) result;
}
public static boolean isDebugMode() {
//@TODO créer une gestion de debug pour les messages et le debug jsf.
return false;
}
private static GrantedAuthority[] authorities() {
Authentication auth = SecurityContextHolder.getContext().getAuthentication();
if (auth != null) {
return auth.getAuthorities();
} else {
return null;
}
}
public static boolean ifNotGranted(String var) {
GrantedAuthority[] roles = authorities();
// si balise ifNotGranted est absente ou vide et pas de roles dans la session alors true
boolean result = (var == null);
// si balise ifNotGranted est non vide alors la parcourir.
if (var != null) {
String[] list = var.split(",");
int sizeList = list.length;
int count = 0;
for (String req : list) {
if (roles != null) {
for (GrantedAuthority roleUser : roles) {
if (!roleUser.getAuthority().equals(req)) {
count++;
break;
}
}
} else {
if (!req.equals("ROLE_ANONYMOUS")) {
result = true;
} else {
result = false;
break;
}
}
}
result = sizeList == count;
}
return result;
}
public static boolean ifAllGranted(String var) {
GrantedAuthority[] roles = authorities();
boolean result = (var == null);
if (var != null) {
String[] list = var.split(",");
int sizeList = list.length;
int count = 0;
for (String req : list) {
if (roles != null) {
for (GrantedAuthority roleUser : roles) {
if (roleUser.getAuthority().equals(req)) {
count++;
break;
}
}
} else {
if (req.equals("ROLE_ANONYMOUS")) {
count++;
} else {
break;
}
}
}
result = (sizeList == count);
}
return result;
}
public static boolean ifAnyGranted(String var) {
boolean result = var == null;
GrantedAuthority[] roles = authorities();
if (var != null) {
String[] list = var.split(",");
for (String req : list) {
if (roles != null) {
for (GrantedAuthority roleUser : roles) {
if (roleUser.getAuthority().equals(req)) {
result = true;
break;
}
}
} else {
result = req.equals("ROLE_ANONYMOUS");
}
if (result) {
break;
}
}
}
return result;
}
public static void setSessionAttribut(String key, Object object) {
HttpServletRequest request = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();
request.getSession().setAttribute(key, object);
}
public static Object getSessionAttribut(String key) {
HttpServletRequest request = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();
return request.getSession().getAttribute(key);
}
protected static ClassLoader getCurrentClassLoader(Object defaultObject) {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
if (loader == null) {
loader = defaultObject.getClass().getClassLoader();
}
return loader;
}
public static String getMessageResourceString(String key, Object params[]) {
FacesContext context = FacesContext.getCurrentInstance();
String bundleName = context.getApplication().getMessageBundle();
Locale locale = context.getViewRoot().getLocale();
return getMessageResourceString(bundleName, key, params, locale);
}
public static String getMessageResourceString(String bundleName, String key,
Object params[],
Locale locale) {
String text = null;
ResourceBundle bundle =
ResourceBundle.getBundle(bundleName, locale,
getCurrentClassLoader(params));
try {
text = bundle.getString(key);
} catch (MissingResourceException e) {
text = "?? key " + key + " not found ??";
}
if (params != null) {
MessageFormat mf = new MessageFormat(text, locale);
text = mf.format(params, new StringBuffer(), null).toString();
}
return text;
}
}