[github-151] XWPFRun: allow style retrieval. This closes #151

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1860464 13f79535-47bb-0310-9956-ffa450edef68

src/ooxml/java/org/apache/poi/xwpf/usermodel/XWPFRun.java

@@ -1213,6 +1213,25 @@ public class XWPFRun implements ISDTContents, IRunElement, CharacterRun {
         style.setVal(styleId);
     }
 
+    /**
+     * Return this run's style ID. If this run has no style (no run properties or properties without a style),
+     * an empty string is returned.
+     *
+     * @since 4.1.1
+     */
+    public String getStyle() {
+        CTRPr pr = getCTR().getRPr();
+        if (pr == null) {
+            return "";
+        }
+
+        CTString style = pr.getRStyle();
+        if (style == null) {
+            return "";
+        }
+
+        return style.getVal();
+    }
     
 
     /**

src/ooxml/testcases/org/apache/poi/xwpf/usermodel/TestXWPFRun.java

@@ -783,6 +783,8 @@ public class TestXWPFRun {
         assertNotNull("Expected to find a run style ID", candStyleId);
         assertEquals(styleId, candStyleId);
 
+        assertEquals(styleId, run.getStyle());
+
         document.close();
     }