--- /dev/null
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.netconf.nettyutil.handler;
+
+import static java.util.Objects.requireNonNull;
+
+import com.siemens.ct.exi.core.exceptions.EXIException;
+import com.siemens.ct.exi.main.api.sax.SAXEncoder;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufOutputStream;
+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 org.opendaylight.netconf.api.NetconfMessage;
+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 final NetconfEXICodec codec;
+
+ private NetconfMessageToEXIEncoder(final NetconfEXICodec codec) {
+ this.codec = requireNonNull(codec);
+ }
+
+ public static NetconfMessageToEXIEncoder create(final NetconfEXICodec codec) {
+ return new NetconfMessageToEXIEncoder(codec);
+ }
+
+ @Override
+ protected void encode(final ChannelHandlerContext ctx, final NetconfMessage msg, final ByteBuf out)
+ throws IOException, TransformerException, EXIException {
+ LOG.trace("Sent to encode : {}", msg);
+
+ try (OutputStream os = new ByteBufOutputStream(out)) {
+ final SAXEncoder encoder = codec.getWriter();
+ encoder.setOutputStream(os);
+ final Transformer transformer = ThreadLocalTransformers.getDefaultTransformer();
+ transformer.transform(new DOMSource(msg.getDocument()), new SAXResult(encoder));
+ }
+ }
+}