Adding utility method to check any protection is enforced

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

@@ -919,6 +919,22 @@ public void setTable(int pos, XWPFTable table) {
         tables.set(pos, table);
         ctDocument.getBody().setTblArray(pos, table.getCTTbl());
     }
+	
+	/**
+     * Verifies that the documentProtection tag in settings.xml file <br/>
+     * specifies that the protection is enforced (w:enforcement="1") <br/>
+     * <br/>
+     * sample snippet from settings.xml
+     * <pre>
+     *     &lt;w:settings  ... &gt;
+     *         &lt;w:documentProtection w:edit=&quot;readOnly&quot; w:enforcement=&quot;1&quot;/&gt;
+     * </pre>
+     *
+     * @return true if documentProtection is enforced with option any
+     */
+    public boolean isEnforcedProtection() {
+        return settings.isEnforcedWith();
+    }
 
     /**
      * Verifies that the documentProtection tag in settings.xml file <br/>

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

@@ -120,6 +120,29 @@ public void setZoomPercent(long zoomPercent) {
         CTZoom zoom = ctSettings.getZoom();
         zoom.setPercent(BigInteger.valueOf(zoomPercent));
     }
+	
+	/**
+     * Verifies the documentProtection tag inside settings.xml file <br/>
+     * if the protection is enforced (w:enforcement="1") <br/>
+     *  <p/>
+     * <br/>
+     * sample snippet from settings.xml
+     * <pre>
+     *     &lt;w:settings  ... &gt;
+     *         &lt;w:documentProtection w:edit=&quot;readOnly&quot; w:enforcement=&quot;1&quot;/&gt;
+     * </pre>
+     *
+     * @return true if documentProtection is enforced with option any
+     */
+	public boolean isEnforcedWith() {
+        CTDocProtect ctDocProtect = ctSettings.getDocumentProtection();
+
+        if (ctDocProtect == null) {
+            return false;
+        }
+
+        return ctDocProtect.getEnforcement().equals(STOnOff.X_1);
+    }
 
     /**
      * Verifies the documentProtection tag inside settings.xml file <br/>

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

@@ -233,8 +233,9 @@ public XWPFVertAlign getVerticalAlignment() {
         XWPFVertAlign vAlign = null;
         CTTcPr tcpr = ctTc.getTcPr();
         if (tcpr != null) {
-            CTVerticalJc va = tcpr.getVAlign();
-            vAlign = stVertAlignTypeMap.get(va.getVal().intValue());
+            CTVerticalJc va = tcpr.getVAlign();
+			if(va != null)
+				vAlign = stVertAlignTypeMap.get(va.getVal().intValue());
         }
         return vAlign;
     }

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

@@ -416,4 +416,11 @@ public void testSettings() throws IOException {
 
         doc.close();
     }
+	
+	@Test
+	public void testEnforcedWith() throws IOException {
+		XWPFDocument docx = XWPFTestDataSamples.openSampleDocument("EnforcedWith.docx");
+		assertTrue(docx.isEnforcedProtection());
+		docx.close();
+	}
 }