Merge pull request #194 from ericcaspole/valhalla-jep401

Valhalla JEP 401 compatibility, use bare Object instances as semaphore anchors rather than synchronizing on Integers, for better optimization.

Author: jkesselm

serializer/src/main/java/org/apache/xml/serializer/OutputPropertiesFactory.java

@@ -183,7 +183,7 @@ public final class OutputPropertiesFactory
     private static final int S_XALAN_PREFIX_LEN = S_XALAN_PREFIX.length();
 
     /** Synchronization object for lazy initialization of the above tables. */
-    private static Integer m_synch_object = new Integer(1);
+    private static Object m_synch_object = new Object();
 
     /** the directory in which the various method property files are located */
     private static final String PROP_DIR = SerializerBase.PKG_PATH+'/';

xalan/src/main/java/org/apache/xalan/transformer/TransformerImpl.java

@@ -112,7 +112,7 @@ public class TransformerImpl extends Transformer
   // or reentry while the transform is going on.
 
   /** NEEDSDOC Field m_reentryGuard          */
-  private Boolean m_reentryGuard = new Boolean(true);
+  private Object m_reentryGuard = new Object();
 
   /**
    * This is null unless we own the stream.