Extends logger params support

git-svn-id: https://svn.apache.org/repos/asf/struts/struts2/trunk@1457128 13f79535-47bb-0310-9956-ffa450edef68

xwork-core/src/main/java/com/opensymphony/xwork2/util/logging/Logger.java

@@ -41,6 +41,8 @@ public interface Logger {
 
     void warn(String msg, String... args);
 
+    void warn(String msg, Object... args);
+
     void warn(String msg, Throwable ex, String... args);
 
     boolean isWarnEnabled();

xwork-core/src/main/java/com/opensymphony/xwork2/util/logging/commons/CommonsLogger.java

@@ -56,6 +56,10 @@ public class CommonsLogger implements Logger {
         log.warn(LoggerUtils.format(msg, args));
     }
 
+    public void warn(String msg, Object... args) {
+        log.warn(LoggerUtils.format(msg, args));
+    }
+
     public void warn(String msg, Throwable ex, String... args) {
         log.warn(LoggerUtils.format(msg, args), ex);
     }

xwork-core/src/main/java/com/opensymphony/xwork2/util/logging/jdk/JdkLogger.java

@@ -63,6 +63,10 @@ public class JdkLogger implements Logger {
         log.log(Level.WARNING, LoggerUtils.format(msg, args));
     }
 
+    public void warn(String msg, Object... args) {
+        log.log(Level.WARNING, LoggerUtils.format(msg, args));
+    }
+
     public void warn(String msg, Throwable ex, String... args) {
         log.log(Level.WARNING, LoggerUtils.format(msg, args), ex);
     }

xwork-core/src/main/java/com/opensymphony/xwork2/util/logging/slf4j/Slf4jLogger.java

@@ -53,6 +53,10 @@ public class Slf4jLogger implements Logger {
         log.warn(LoggerUtils.format(msg, args));
     }
 
+    public void warn(String msg, Object... args) {
+        log.warn(LoggerUtils.format(msg, args));
+    }
+
     public void warn(String msg, Throwable ex, String... args) {
         log.warn(LoggerUtils.format(msg, args), ex);
     }