When listing the transformers for a given mimetype via the /mimetypes webscript, detect and report if a proxy transformer uses openoffice

Also tweak the Tika .xls transformer for .html to be a higher priority


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@23078 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/transform/PoiHssfContentTransformer.java

@@ -85,6 +85,25 @@ public class PoiHssfContentTransformer extends TikaPoweredContentTransformer
        return super.isTransformable(sourceMimetype, targetMimetype, options);
     }
     
+    /**
+     * Make sure we win over openoffice when it comes to producing
+     *  HTML
+     */
+    @Override
+    public boolean isExplicitTransformation(String sourceMimetype, String targetMimetype, TransformationOptions options)
+    {
+       if(sourceMimeTypes.contains(sourceMimetype) &&
+             (MimetypeMap.MIMETYPE_HTML.equals(targetMimetype) ||
+              MimetypeMap.MIMETYPE_XHTML.equals(targetMimetype)) )
+       {
+          // Special case to win for HTML 
+          return true;
+       }
+       
+       // Otherwise fall back on the default Tika rules
+       return super.isTransformable(sourceMimetype, targetMimetype, options);
+    }
+    
     @Override
     protected ContentHandler getContentHandler(String targetMimeType, Writer output) 
                    throws TransformerConfigurationException

source/java/org/alfresco/repo/content/transform/TextMiningContentTransformer.java

@@ -39,7 +39,8 @@ import org.apache.poi.poifs.filesystem.POIFSFileSystem;
  *  do this, pending TIKA-408. When Apache POI 3.7 beta 2 has been
  *  released, we can switch to Tika and then handle Word 6,
  *  Word 95, Word 97, 2000, 2003, 2007 and 2010 formats.
- * TODO Switch to Tika in August 2010
+ *  
+ * TODO Switch to Tika in November 2010 once 3.4 is out
  * 
  * @author Nick Burch
  */