added another method

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@14788 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/AbstractMarkupText.java

@@ -26,6 +26,13 @@ public abstract class AbstractMarkupText {
      */
     public abstract String getText();
 
+    /**
+     * Length of the plain text.
+     */
+    public final int length() {
+        return getText().length();
+    }
+
     /**
      * Adds a start tag and end tag at the specified position.
      *
@@ -39,7 +46,7 @@ public abstract class AbstractMarkupText {
      * Adds a start tag and end tag around the entire text
      */
     public final void wrapBy(String startTag, String endTag) {
-        addMarkup(0,getText().length(),startTag,endTag);
+        addMarkup(0,length(),startTag,endTag);
     }
 
     /**