Merge pull request #431 from codexetreme/master

adding a key transformer to the AWS2-SQS connector so that the CamelH…

connectors/camel-aws2-sqs-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2sqs/transforms/SQSKeySetterTransform.java

@@ -0,0 +1,38 @@
+package org.apache.camel.kafkaconnector.aws2sqs.transforms;
+
+import org.apache.kafka.common.config.ConfigDef;
+import org.apache.kafka.connect.connector.ConnectRecord;
+import org.apache.kafka.connect.data.Schema;
+import org.apache.kafka.connect.header.Headers;
+import org.apache.kafka.connect.transforms.Transformation;
+
+import java.util.Map;
+
+public class SQSKeySetterTransform<R extends ConnectRecord<R>> implements Transformation<R> {
+
+    public static final ConfigDef CONFIG_DEF = new ConfigDef()
+            .define("test", ConfigDef.Type.STRING, "test", ConfigDef.Importance.MEDIUM, "Fetch the Camel.CamelAwsSqsMessageId header and set it as the key for the kafka record");
+
+
+    @Override
+    public R apply(R record) {
+        Headers headers = record.headers();
+        String key = (String) headers.lastWithName("CamelHeader.CamelAwsSqsMessageId").value();
+        return record.newRecord(record.topic(), record.kafkaPartition(), null, key, Schema.STRING_SCHEMA, record.value(), record.timestamp());
+    }
+
+    @Override
+    public ConfigDef config() {
+        return CONFIG_DEF;
+    }
+
+    @Override
+    public void close() {
+
+    }
+
+    @Override
+    public void configure(Map<String, ?> map) {
+
+    }
+}