LUTECE-2196 : Allow to reload the log4j configuration at runtime

Author: jonenst

src/java/fr/paris/lutece/portal/resources/system_messages.properties

@@ -68,6 +68,7 @@ manage_caches.actionDisable=Turn off
 manage_caches.actionViewKeys=View config and keys
 manage_caches.buttonFlush=Flush all
 manage_caches.buttonViewKeys=View config and keys
+manage_caches.titleReloadLogsConfiguration=Log configuration loading
 manage_caches.titleReloadProperties=Properties loading
 manage_caches.labelReloadProperties=Reload properties files
 manage_caches.buttonReload=Reload

src/java/fr/paris/lutece/portal/resources/system_messages_fr.properties

@@ -68,6 +68,7 @@ manage_caches.actionDisable=D\u00e9sactiver
 manage_caches.actionViewKeys=Visualiser les cl\u00e9s
 manage_caches.buttonFlush=Vider tous les caches
 manage_caches.buttonViewKeys=Visualiser les cl\u00e9s
+manage_caches.titleReloadLogsConfiguration=Rechargement de la configuration des logs
 manage_caches.titleReloadProperties=Rechargement des properties
 manage_caches.labelReloadProperties=Recharger les fichiers properties
 manage_caches.buttonReload=Recharger

src/java/fr/paris/lutece/portal/web/system/CacheJspBean.java

@@ -39,6 +39,7 @@
 import fr.paris.lutece.portal.service.i18n.I18nService;
 import fr.paris.lutece.portal.service.security.SecurityTokenService;
 import fr.paris.lutece.portal.service.template.AppTemplateService;
+import fr.paris.lutece.portal.service.util.AppLogService;
 import fr.paris.lutece.portal.service.util.AppPropertiesService;
 import fr.paris.lutece.portal.web.admin.AdminFeaturesPageJspBean;
 import fr.paris.lutece.util.html.HtmlTemplate;
@@ -70,6 +71,10 @@ public class CacheJspBean extends AdminFeaturesPageJspBean
     private static final String TEMPLATE_CACHE_INFOS = "admin/system/cache_infos.html";
     private static final String PARAMETER_ID_CACHE = "id_cache";
 
+    // Conf
+    private static final String PATH_CONF = "/WEB-INF/conf/";
+    private static final String FILE_PROPERTIES_CONFIG = "config.properties";
+
     /**
      * Returns the page to manage caches
      * 
@@ -138,6 +143,24 @@ public String doReloadProperties( HttpServletRequest request ) throws AccessDeni
         return JSP_MANAGE_CACHES;
     }
 
+    /**
+     * Reload the logs configuration of the application
+     *
+     * @return The URL to display when the process is done.
+     * @throws AccessDeniedException
+     */
+    public String doReloadLogsConfiguration( HttpServletRequest request ) throws AccessDeniedException
+    {
+        if ( !SecurityTokenService.getInstance( ).validate( request, TEMPLATE_MANAGE_CACHES ) )
+        {
+            throw new AccessDeniedException( "Invalid security token" );
+        }
+        AppLogService.init( PATH_CONF, FILE_PROPERTIES_CONFIG );
+
+        return JSP_MANAGE_CACHES;
+    }
+
+
     /**
      * Gets cache infos for all caches
      * 

webapp/WEB-INF/templates/admin/system/manage_caches.html

@@ -7,6 +7,10 @@
 					<@button type='submit' buttonIcon='refresh' title='#i18n{portal.system.manage_caches.titleReloadProperties}' id='reload' size='' showTitleXs=false showTitleSm=false />
 					<@aButton href='jsp/admin/system/CacheInfos.jsp' buttonIcon='key' title='#i18n{portal.system.manage_caches.buttonViewKeys}' size='' showTitleXs=false showTitleSm=false />
 				</@tform>
+				<@tform method='post' action='jsp/admin/system/DoReloadLogsConfiguration.jsp' class='pull-right spaced'>
+					<input type="hidden" name="token" value="${token}">
+					<@button type='submit' buttonIcon='refresh' title='#i18n{portal.system.manage_caches.titleReloadLogsConfiguration}' id='reloadLogsConf' size='' showTitleXs=false showTitleSm=false />
+				</@tform>
 				<@tform method='post' action='jsp/admin/system/DoResetCaches.jsp' class='pull-right spaced'>
 					<input type="hidden" name="token" value="${token}">
 					<@button type='submit' buttonIcon='trash' title='#i18n{portal.system.manage_caches.buttonFlush}' size='' color='btn-danger' showTitleXs=false showTitleSm=false />

webapp/jsp/admin/system/DoReloadLogsConfiguration.jsp

@@ -0,0 +1,8 @@
+<%@ page errorPage="../ErrorPage.jsp" %>
+
+<jsp:useBean id="cache" scope="session" class="fr.paris.lutece.portal.web.system.CacheJspBean" />
+
+<%
+    cache.init( request , cache.RIGHT_CACHE_MANAGEMENT );
+    response.sendRedirect( cache.doReloadLogsConfiguration( request ) );
+%>