Merged HEAD-BUG-FIX (5.1/Cloud) to HEAD (5.1/Cloud)

104496: Merged 5.0.N (5.0.2) to HEAD-BUG-FIX (5.1/Cloud)
      104336: Merged NESS/5.0.N-2015_03_23 (5.0.2) to 5.0.N (5.0.2)
         103763: MNT-13920 - rewrite the image dimension properties if there is any exif dimensions information available
         104332: MNT-13920 - code changes based on review, improved javadoc and slight modifications on the extract size method


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@104607 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/metadata/TikaPoweredMetadataExtracter.java

@@ -530,6 +530,30 @@ public abstract class TikaPoweredMetadataExtracter
         }
     }
     
+    /**
+     * Exif metadata for size also returns the string "pixels"
+     * after the number value , this function will 
+     * stop at the first non digit character found in the text
+     * @param sizeText string text
+     * @return the size value
+     */
+    protected String extractSize(String sizeText)
+    {
+        StringBuilder sizeValue = new StringBuilder();
+        for(char c : sizeText.toCharArray())
+        {
+            if(Character.isDigit(c))
+            {
+                sizeValue.append(c);
+            }
+            else
+            {
+                break;
+            }
+        }
+        return sizeValue.toString();
+    }
+    
     /**
      * This content handler will capture entries from within
      *  the header of the Tika content XHTML, but ignore the