expand StaxHelper

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1799772 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 28 insertions, 0 deletions

diff --git a/src/java/org/apache/poi/util/StaxHelper.java b/src/java/org/apache/poi/util/StaxHelper.java
index ae526d73b7..8c0d284304 100644
--- a/src/java/org/apache/poi/util/StaxHelper.java
+++ b/src/java/org/apache/poi/util/StaxHelper.java
@@ -17,7 +17,9 @@
 
 package org.apache.poi.util;
 
+import javax.xml.stream.XMLEventFactory;
 import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
 
 
 /**
@@ -39,6 +41,22 @@ public final class StaxHelper {
         trySetProperty(factory, XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
         return factory;
     }
+
+    /**
+     * Creates a new StAX XMLOutputFactory, with sensible defaults
+     */
+    public static XMLOutputFactory newXMLOutputFactory() {
+        XMLOutputFactory factory = XMLOutputFactory.newFactory();
+        trySetProperty(factory, XMLOutputFactory.IS_REPAIRING_NAMESPACES, true);
+        return factory;
+    }
+
+    /**
+     * Creates a new StAX XMLEventFactory, with sensible defaults
+     */
+    public static XMLEventFactory newXMLEventFactory() {
+        return XMLEventFactory.newFactory();
+    }
             
     private static void trySetProperty(XMLInputFactory factory, String feature, boolean flag) {
         try {
@@ -49,4 +67,14 @@ public final class StaxHelper {
             logger.log(POILogger.WARN, "Cannot set StAX property because outdated StAX parser in classpath", feature, ame);
         }
     }
+
+    private static void trySetProperty(XMLOutputFactory factory, String feature, boolean flag) {
+        try {
+            factory.setProperty(feature, flag);
+        } catch (Exception e) {
+            logger.log(POILogger.WARN, "StAX Property unsupported", feature, e);
+        } catch (AbstractMethodError ame) {
+            logger.log(POILogger.WARN, "Cannot set StAX property because outdated StAX parser in classpath", feature, ame);
+        }
+    }
 }