BUG-2459: use thread-local cache of transformers

[controller.git] / opendaylight / netconf / netconf-netty-util / src / main / java / org / opendaylight / controller / netconf / nettyutil / handler / NetconfMessageToEXIEncoder.java

diff --git a/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/handler/NetconfMessageToEXIEncoder.java b/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/handler/NetconfMessageToEXIEncoder.java
index 55dcd9dabae3400e3092e4a79f1bfb058318b1c0..f1e72ed85fb6475ebeab5ae8e400d953077adf7e 100644 (file)
--- a/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/handler/NetconfMessageToEXIEncoder.java
+++ b/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/handler/NetconfMessageToEXIEncoder.java
@@ -14,11 +14,9 @@ import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.MessageToByteEncoder;
 import java.io.IOException;
 import java.io.OutputStream;
-import javax.xml.transform.Transformer;
 import javax.xml.transform.TransformerException;
 import javax.xml.transform.dom.DOMSource;
 import javax.xml.transform.sax.SAXResult;
-import javax.xml.transform.sax.SAXTransformerFactory;
 import org.opendaylight.controller.netconf.api.NetconfMessage;
 import org.openexi.proc.common.EXIOptionsException;
 import org.openexi.sax.Transmogrifier;
@@ -26,10 +24,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public final class NetconfMessageToEXIEncoder extends MessageToByteEncoder<NetconfMessage> {
-
     private static final Logger LOG = LoggerFactory.getLogger(NetconfMessageToEXIEncoder.class);
-
-    private static final SAXTransformerFactory saxTransformerFactory = (SAXTransformerFactory)SAXTransformerFactory.newInstance();
     private final NetconfEXICodec codec;
 
     public NetconfMessageToEXIEncoder(final NetconfEXICodec codec) {
@@ -44,8 +39,7 @@ public final class NetconfMessageToEXIEncoder extends MessageToByteEncoder<Netco
             final Transmogrifier transmogrifier = codec.getTransmogrifier();
             transmogrifier.setOutputStream(os);
 
-            final Transformer transformer = saxTransformerFactory.newTransformer();
-            transformer.transform(new DOMSource(msg.getDocument()), new SAXResult(transmogrifier.getSAXTransmogrifier()));
+            ThreadLocalTransformers.getDefaultTransformer().transform(new DOMSource(msg.getDocument()), new SAXResult(transmogrifier.getSAXTransmogrifier()));
         }
     }
 }