--- /dev/null
+/*
+ * Copyright (c) 2013 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.impl.util;
+
+import com.google.common.collect.Maps;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import java.util.Map;
+import org.opendaylight.netconf.api.DocumentedException;
+import org.opendaylight.netconf.util.messages.SendErrorExceptionUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class DeserializerExceptionHandler implements ChannelHandler {
+
+ private static final Logger LOG = LoggerFactory.getLogger(DeserializerExceptionHandler.class);
+
+ @Override
+ public void handlerAdded(final ChannelHandlerContext ctx) {
+ // NOOP
+ }
+
+ @Override
+ public void handlerRemoved(final ChannelHandlerContext ctx) {
+ // NOOP
+ }
+
+ @Override
+ public void exceptionCaught(final ChannelHandlerContext ctx, final Throwable cause) {
+ LOG.warn("An exception occurred during message handling", cause);
+ handleDeserializerException(ctx, cause);
+ }
+
+ private static void handleDeserializerException(final ChannelHandlerContext ctx, final Throwable cause) {
+
+ final Map<String, String> info = Maps.newHashMap();
+ info.put("cause", cause.getMessage());
+ final DocumentedException ex = new DocumentedException(cause.getMessage(),
+ DocumentedException.ErrorType.RPC, DocumentedException.ErrorTag.MALFORMED_MESSAGE,
+ DocumentedException.ErrorSeverity.ERROR, info);
+
+ SendErrorExceptionUtil.sendErrorMessage(ctx.channel(), ex);
+ }
+}