[camel-kamelets] branch main updated: Added a TimestampRouter bean in utils

[acosentino]

This is an automated email from the ASF dual-hosted git repository.

acosentino pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/camel-kamelets.git


The following commit(s) were added to refs/heads/main by this push:
     new f63e8cd  Added a TimestampRouter bean in utils
f63e8cd is described below

commit f63e8cd87004b290e0208c8296a1201bf9984fff
Author: Andrea Cosentino <anco...@gmail.com>
AuthorDate: Mon May 17 13:15:48 2021 +0200

    Added a TimestampRouter bean in utils
---
 .../utils/transform/kafka/TimestampRouter.java     | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git 
a/library/camel-kamelets-utils/src/main/java/org/apache/camel/kamelets/utils/transform/kafka/TimestampRouter.java
 
b/library/camel-kamelets-utils/src/main/java/org/apache/camel/kamelets/utils/transform/kafka/TimestampRouter.java
new file mode 100644
index 0000000..fb2d532
--- /dev/null
+++ 
b/library/camel-kamelets-utils/src/main/java/org/apache/camel/kamelets/utils/transform/kafka/TimestampRouter.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.kamelets.utils.transform.kafka;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.ExchangeProperty;
+import org.apache.camel.component.kafka.KafkaConstants;
+import org.apache.camel.util.ObjectHelper;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class TimestampRouter {
+
+    public void process(@ExchangeProperty("topicFormat") String topicFormat, 
@ExchangeProperty("timestampFormat") String timestampFormat, Exchange ex) {
+        final Pattern TOPIC = Pattern.compile("${topic}", Pattern.LITERAL);
+
+        final Pattern TIMESTAMP = Pattern.compile("${timestamp}", 
Pattern.LITERAL);
+
+        final SimpleDateFormat fmt = new SimpleDateFormat(timestampFormat);
+        fmt.setTimeZone(TimeZone.getTimeZone("UTC"));
+
+        String topicName = ex.getMessage().getHeader(KafkaConstants.TOPIC, 
String.class);
+        long timestamp = ex.getMessage().getHeader(KafkaConstants.TIMESTAMP, 
Long.class);
+        if (ObjectHelper.isNotEmpty(topicName) && 
ObjectHelper.isNotEmpty(timestamp)) {
+            final String formattedTimestamp = fmt.format(new Date(timestamp));
+            final String replace1 = 
TOPIC.matcher(topicFormat).replaceAll(Matcher.quoteReplacement(topicName));
+            final String updatedTopic = 
TIMESTAMP.matcher(replace1).replaceAll(Matcher.quoteReplacement(formattedTimestamp));
+            ex.getMessage().setHeader(KafkaConstants.OVERRIDE_TOPIC, 
updatedTopic);
+        }
+    }
+
+}