minor code improvement

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1894364 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 2 insertions, 2 deletions

diff --git a/poi-ooxml/src/main/java/org/apache/poi/xddf/usermodel/chart/XDDFDataSourcesFactory.java b/poi-ooxml/src/main/java/org/apache/poi/xddf/usermodel/chart/XDDFDataSourcesFactory.java
index 722628b12d..68bcc84503 100644
--- a/poi-ooxml/src/main/java/org/apache/poi/xddf/usermodel/chart/XDDFDataSourcesFactory.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/xddf/usermodel/chart/XDDFDataSourcesFactory.java
@@ -72,9 +72,9 @@ public class XDDFDataSourcesFactory {
 
                 @Override
                 public String getPointAt(int index) {
-                    if (category.getPtArray().length <= index) {
+                    if (category.sizeOfPtArray() <= index) {
                         throw new IllegalArgumentException("Cannot access 0-based index " + index +
-                                " in point-array with " + category.getPtArray().length + " items");
+                                " in point-array with " + category.sizeOfPtArray() + " items");
                     }
                     return category.getPtArray(index).getV();
                 }