Initial code drop of netconf protocol implementation

[controller.git] / opendaylight / netconf / netconf-impl / src / main / java / org / opendaylight / controller / netconf / impl / util / DeserializerExceptionHandler.java

diff --git a/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/util/DeserializerExceptionHandler.java b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/util/DeserializerExceptionHandler.java
new file mode 100644 (file)
index 0000000..b27cd20
--- /dev/null
+++ b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/util/DeserializerExceptionHandler.java
@@ -0,0 +1,51 @@
+/*
+ * 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.controller.netconf.impl.util;
+
+import java.util.Map;
+
+import org.opendaylight.controller.netconf.api.NetconfDeserializerException;
+import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
+import org.opendaylight.controller.netconf.util.messages.SendErrorExceptionUtil;
+
+import com.google.common.collect.Maps;
+
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+
+public final class DeserializerExceptionHandler implements ChannelHandler {
+
+    @Override
+    public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
+        // NOOP
+    }
+
+    @Override
+    public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
+        // NOOP
+    }
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
+        if (cause instanceof NetconfDeserializerException) {
+            handleDeserializerException(ctx, cause);
+        }
+    }
+
+    private void handleDeserializerException(ChannelHandlerContext ctx, Throwable cause) {
+
+        Map<String, String> info = Maps.newHashMap();
+        info.put("cause", cause.getMessage());
+        NetconfDocumentedException ex = new NetconfDocumentedException(cause.getMessage(),
+                NetconfDocumentedException.ErrorType.rpc, NetconfDocumentedException.ErrorTag.malformed_message,
+                NetconfDocumentedException.ErrorSeverity.error, info);
+
+        SendErrorExceptionUtil.sendErrorMessage(ctx.channel(), ex);
+    }
+}