Get rid of NetconfMessageFactory
[controller.git] / opendaylight / netconf / netconf-util / src / main / java / org / opendaylight / controller / netconf / util / handler / NetconfMessageToXMLEncoder.java
diff --git a/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/handler/NetconfMessageToXMLEncoder.java b/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/handler/NetconfMessageToXMLEncoder.java
new file mode 100644 (file)
index 0000000..31a4225
--- /dev/null
@@ -0,0 +1,67 @@
+/*
+ * 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.controller.netconf.util.handler;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+
+import java.nio.ByteBuffer;
+
+import org.opendaylight.controller.netconf.api.NetconfMessage;
+import org.opendaylight.controller.netconf.util.xml.XmlUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Comment;
+import org.w3c.dom.Document;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Charsets;
+import com.google.common.base.Optional;
+
+public final class NetconfMessageToXMLEncoder extends MessageToByteEncoder<NetconfMessage> {
+    private static final Logger LOG = LoggerFactory.getLogger(NetconfMessageToXMLEncoder.class);
+
+    private final Optional<String> clientId;
+
+    public NetconfMessageToXMLEncoder() {
+        this(Optional.<String>absent());
+    }
+
+    public NetconfMessageToXMLEncoder(Optional<String> clientId) {
+        this.clientId = clientId;
+    }
+
+    @Override
+    @VisibleForTesting
+    public void encode(ChannelHandlerContext ctx, NetconfMessage msg, ByteBuf out) throws Exception {
+        LOG.debug("Sent to encode : {}", msg);
+
+        if (clientId.isPresent()) {
+            Comment comment = msg.getDocument().createComment("clientId:" + clientId.get());
+            msg.getDocument().appendChild(comment);
+        }
+
+        final ByteBuffer msgBytes;
+        if(msg.getAdditionalHeader().isPresent()) {
+            final String header = msg.getAdditionalHeader().get();
+            LOG.trace("Header of netconf message parsed \n{}", header);
+            // FIXME: this can be written in pieces
+            msgBytes = Charsets.UTF_8.encode(header + xmlToString(msg.getDocument()));
+        } else {
+            msgBytes = Charsets.UTF_8.encode(xmlToString(msg.getDocument()));
+        }
+
+        LOG.trace("Putting message \n{}", xmlToString(msg.getDocument()));
+        out.writeBytes(msgBytes);
+    }
+
+    private String xmlToString(Document doc) {
+        return XmlUtil.toString(doc, false);
+    }
+}