Using Objects.equalss as suggested by Axel for a compacter easier readable version

Author: svanteschubert

odfdom/src/main/java/org/odftoolkit/odfdom/doc/table/OdfTableCell.java

@@ -24,6 +24,7 @@
 import java.util.Calendar;
 import java.util.Date;
 import java.util.List;
+import java.util.Objects;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import org.odftoolkit.odfdom.doc.OdfDocument;
@@ -508,10 +509,8 @@ public TableTableCellElementBase getOdfElement() {
    */
   public String getCurrencyCode() {
     String t = mCellElement.getOfficeValueTypeAttribute();
-    if (t == null) {
-      LOG.log(Level.WARNING,"@office:value-type attribute was expected to be set!");
-    } else if(!t.equals(OfficeValueTypeAttribute.Value.CURRENCY.toString())) {
-      LOG.log(Level.WARNING,"@office:value-type attribute expected to be of type CURRENCY!");
+    if (!Objects.equals(t, OfficeValueTypeAttribute.Value.CURRENCY.toString())) {
+        LOG.log(Level.WARNING,"@office:value-type attribute expected to be of type CURRENCY but was {0}", t);
     }
     return mCellElement.getOfficeCurrencyAttribute();
   }