[camel] 02/02: Add nats to opentracing

[da...@apache.org]

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davsclaus pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/camel.git

commit 4284d03c529bbeb4fdf65fc58f154451e7361933
Author: Claus Ibsen <cl...@gmail.com>
AuthorDate: Wed Dec 4 08:06:34 2019 +0100

    Add nats to opentracing
---
 .../opentracing/decorators/NatsSpanDecorator.java  | 50 ++++++++++++++++++++++
 .../org.apache.camel.opentracing.SpanDecorator     |  1 +
 2 files changed, 51 insertions(+)

diff --git a/components/camel-opentracing/src/main/java/org/apache/camel/opentracing/decorators/NatsSpanDecorator.java b/components/camel-opentracing/src/main/java/org/apache/camel/opentracing/decorators/NatsSpanDecorator.java
new file mode 100644
index 0000000..dfa3262
--- /dev/null
+++ b/components/camel-opentracing/src/main/java/org/apache/camel/opentracing/decorators/NatsSpanDecorator.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.opentracing.decorators;
+
+import java.util.Map;
+
+import org.apache.camel.Endpoint;
+import org.apache.camel.Exchange;
+
+public class NatsSpanDecorator extends AbstractMessagingSpanDecorator {
+
+    public static final String NATS_SID = "CamelNatsSID";
+
+    @Override
+    public String getComponent() {
+        return "nats";
+    }
+
+    @Override
+    public String getComponentClassName() {
+        return "org.apache.camel.component.nats.NatsComponent";
+    }
+
+    @Override
+    public String getDestination(Exchange exchange, Endpoint endpoint) {
+        Map<String, String> queryParameters = toQueryParameters(endpoint.getEndpointUri());
+        String topic = queryParameters.get("topic");
+        return topic != null ? topic : super.getDestination(exchange, endpoint);
+    }
+
+    @Override
+    protected String getMessageId(Exchange exchange) {
+        return exchange.getIn().getHeader(NATS_SID, String.class);
+    }
+
+}
diff --git a/components/camel-opentracing/src/main/resources/META-INF/services/org.apache.camel.opentracing.SpanDecorator b/components/camel-opentracing/src/main/resources/META-INF/services/org.apache.camel.opentracing.SpanDecorator
index 614d15d..978172f 100644
--- a/components/camel-opentracing/src/main/resources/META-INF/services/org.apache.camel.opentracing.SpanDecorator
+++ b/components/camel-opentracing/src/main/resources/META-INF/services/org.apache.camel.opentracing.SpanDecorator
@@ -37,6 +37,7 @@ org.apache.camel.opentracing.decorators.KafkaSpanDecorator
 org.apache.camel.opentracing.decorators.LogSpanDecorator
 org.apache.camel.opentracing.decorators.MongoDBSpanDecorator
 org.apache.camel.opentracing.decorators.NettyHttpSpanDecorator
+org.apache.camel.opentracing.decorators.NatsSpanDecorator
 org.apache.camel.opentracing.decorators.NsqSpanDecorator
 org.apache.camel.opentracing.decorators.PahoSpanDecorator
 org.apache.camel.opentracing.decorators.RabbitmqSpanDecorator