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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 ad7ae71 Added RegexRouter Bean to library methods
ad7ae71 is described below
commit ad7ae710921806ab31522efa12998db7d725bc8a
Author: Andrea Cosentino <anco...@gmail.com>
AuthorDate: Wed May 12 14:32:30 2021 +0200
Added RegexRouter Bean to library methods
---
.../kamelets/utils/transform/RegexRouter.java | 49 ++++++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git
a/library/camel-kamelets-utils/src/main/java/org/apache/camel/kamelets/utils/transform/RegexRouter.java
b/library/camel-kamelets-utils/src/main/java/org/apache/camel/kamelets/utils/transform/RegexRouter.java
new file mode 100644
index 0000000..c219f19
--- /dev/null
+++
b/library/camel-kamelets-utils/src/main/java/org/apache/camel/kamelets/utils/transform/RegexRouter.java
@@ -0,0 +1,49 @@
+/*
+ * 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;
+
+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.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class RegexRouter {
+
+ public void process(@ExchangeProperty("regex") String regex,
@ExchangeProperty("replacement") String replacement, Exchange ex) {
+ Pattern regexPattern = Pattern.compile(regex);
+ String topicName = ex.getMessage().getHeader(KafkaConstants.TOPIC,
String.class);
+ if (ObjectHelper.isNotEmpty(topicName)) {
+ final Matcher matcher = regexPattern.matcher(topicName);
+ if (matcher.matches()) {
+ final String topicUpdated = matcher.replaceFirst(replacement);
+ ex.getMessage().setHeader(KafkaConstants.OVERRIDE_TOPIC,
topicUpdated);
+ }
+ }
+ String ceType = ex.getMessage().getHeader("ce-type", String.class);
+ if (ObjectHelper.isNotEmpty(ceType)) {
+ final Matcher matcher = regexPattern.matcher(ceType);
+ if (matcher.matches()) {
+ final String ceTypeUpdated = matcher.replaceFirst(replacement);
+ ex.getMessage().setHeader("ce-type", ceTypeUpdated);
+ }
+ }
+ }
+
+}
