sonar fixes

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1832067 13f79535-47bb-0310-9956-ffa450edef68

src/examples/src/org/apache/poi/ss/examples/AddDimensionedImage.java

@@ -365,12 +365,16 @@ public class AddDimensionedImage {
 
         anchor.setDx1(0);
         anchor.setDy1(0);
-        anchor.setDx2(colClientAnchorDetail.getInset());
-        anchor.setDy2(rowClientAnchorDetail.getInset());
-        anchor.setCol1(colClientAnchorDetail.getFromIndex());
-        anchor.setRow1(rowClientAnchorDetail.getFromIndex());
-        anchor.setCol2(colClientAnchorDetail.getToIndex());
-        anchor.setRow2(rowClientAnchorDetail.getToIndex());
+        if (colClientAnchorDetail != null) {
+            anchor.setDx2(colClientAnchorDetail.getInset());
+            anchor.setCol1(colClientAnchorDetail.getFromIndex());
+            anchor.setCol2(colClientAnchorDetail.getToIndex());
+        }
+        if (rowClientAnchorDetail != null) {
+            anchor.setDy2(rowClientAnchorDetail.getInset());
+            anchor.setRow1(rowClientAnchorDetail.getFromIndex());
+            anchor.setRow2(rowClientAnchorDetail.getToIndex());
+        }
 
         // For now, set the anchor type to do not move or resize the
         // image as the size of the row/column is adjusted. This could easily

src/java/org/apache/poi/sl/draw/DrawShape.java

@@ -56,7 +56,7 @@ public class DrawShape implements Drawable {
      */
     @Override
     public void applyTransform(Graphics2D graphics) {
-        if (!(shape instanceof PlaceableShape)) {
+        if (!(shape instanceof PlaceableShape) || graphics == null) {
             return;
         }
 

src/java/org/apache/poi/ss/formula/FormulaParser.java

@@ -1711,10 +1711,11 @@ public final class FormulaParser {
 
     private int parseErrorLiteral() {
         Match('#');
-        String part1 = parseUnquotedIdentifier().toUpperCase(Locale.ROOT);
+        String part1 = parseUnquotedIdentifier();
         if (part1 == null) {
             throw expected("remainder of error constant literal");
         }
+        part1 = part1.toUpperCase(Locale.ROOT);
 
         switch(part1.charAt(0)) {
             case 'V': {