Index: core/xwiki-component/src/main/java/org/xwiki/component/logging/Logger.java
===================================================================
--- core/xwiki-component/src/main/java/org/xwiki/component/logging/Logger.java	(revision 12676)
+++ core/xwiki-component/src/main/java/org/xwiki/component/logging/Logger.java	(working copy)
@@ -39,17 +39,41 @@
 
         void debug( String message );
 
+        /**
+         * Logs the {@code message} to the logger while replacing all 
+         * '{}' in  the message String with the corresponding object 
+         * from the objects array. Replacing first '{}' by 
+         * {@code objects[0].toString()}, second '{}' by 
+         * {@code objects[1].toString()} and so forth.
+         * </br>
+         * Ideally the message should only be expanded and thus the 
+         * {@code toString()} be called iff the message is really logged.
+         * 
+         * @param message The message to be formatted
+         * @param objects The objects to be filled into the message
+         */
+        void debug( String message, Object... objects );
+        
         void debug( String message, Throwable throwable );
 
         boolean isDebugEnabled();
 
         void info( String message );
+        
+        /**
+         * @see Logger.debug(String, Object...)
+         * @param message
+         * @param objects
+         */
+        void info( String message, Object... objects );
 
         void info( String message, Throwable throwable );
 
         boolean isInfoEnabled();
 
         void warn( String message );
+        
+        void warn( String message, Object... objects );
 
         void warn( String message, Throwable throwable );
 
@@ -57,6 +81,8 @@
 
         void error( String message );
 
+        void error( String message, Object... objects );
+        
         void error( String message, Throwable throwable );
 
         boolean isErrorEnabled();
Index: core/xwiki-plexus/src/main/java/org/xwiki/plexus/logging/PlexusLogger.java
===================================================================
--- core/xwiki-plexus/src/main/java/org/xwiki/plexus/logging/PlexusLogger.java	(revision 12676)
+++ core/xwiki-plexus/src/main/java/org/xwiki/plexus/logging/PlexusLogger.java	(working copy)
@@ -26,6 +26,64 @@
 {
     private org.codehaus.plexus.logging.Logger logger;
 
+    private static String expandMessage(String message, Object... objects){
+        if(message == null)
+            return "";
+        if(objects == null )
+            return message;
+        int olast = objects.length - 1;
+        if(olast == -1)
+            return message;
+
+        char[] msgchar = message.toCharArray();
+        int mlast = msgchar.length - 1;
+
+        StringBuffer sb = new StringBuffer();
+
+        int o = 0;
+
+        // iterate through the Object Array and replace '{}' in the msg
+        for(int i = 0; i < mlast; i++)
+        {
+            if(msgchar[i] == '{' && msgchar[i+1] == '}')
+            {
+                i++; // the next one can be skipped
+                if( o < objects.length )
+                {
+                    if(objects[o] == null)
+                    {
+                        sb.append("(null)");
+                    } else {
+                        sb.append(objects[o].toString());
+                    }
+                    o++;
+                }
+            } else {
+                sb.append(msgchar[i]);
+            }
+        }
+
+        // append last char only if it did not came from a '{}'
+        if( !(msgchar[mlast-1] == '{' && msgchar[mlast] == '}') )
+        {
+            sb.append(msgchar[mlast]);
+        }
+
+        if(objects[olast] instanceof Throwable)
+        {
+            Throwable e = (Throwable)objects[olast];
+            sb.append("\n");
+            for(StackTraceElement se : e.getStackTrace())
+            {
+                sb.append("    ");
+                sb.append(se.toString());
+            }
+        }
+
+        return sb.toString();
+    
+    }
+    
     public PlexusLogger(org.codehaus.plexus.logging.Logger logger)
     {
         this.logger = logger;
@@ -36,6 +94,15 @@
         this.logger.debug(message);
     }
 
+    public void debug(String message, Object... objects)
+    {
+        // only expand the message if the Debug level is enabled
+        if(this.logger.isDebugEnabled())
+        {
+            this.logger.debug(expandMessage(message, objects));
+        }
+    }
+    
     public void debug(String message, Throwable throwable)
     {
         this.logger.debug(message, throwable);
@@ -50,6 +117,15 @@
     {
         this.logger.info(message);
     }
+    
+    public void info(String message, Object... objects)
+    {
+        // only expand the message if the Info level is enabled
+        if(this.logger.isInfoEnabled())
+        {
+            this.logger.info(expandMessage(message, objects));
+        }
+    }
 
     public void info(String message, Throwable throwable)
     {
@@ -65,6 +141,15 @@
     {
         this.logger.warn(message);
     }
+    
+    public void warn(String message, Object... objects)
+    {
+        // only expand the message if the Warn level is enabled
+        if(this.logger.isWarnEnabled())
+        {
+            this.logger.debug(expandMessage(message, objects));
+        }
+    }
 
     public void warn(String message, Throwable throwable)
     {
@@ -81,6 +166,15 @@
         this.logger.error(message);
     }
 
+    public void error(String message, Object... objects)
+    {
+        // only expand the message if the Error level is enabled
+        if(this.logger.isErrorEnabled())
+        {
+            this.logger.error(expandMessage(message, objects));
+        }
+    }
+    
     public void error(String message, Throwable throwable)
     {
         this.logger.error(message, throwable);