[camel-kafka-connector] 01/02: Add RemoteFileTransforms to the FTP connector directly

[ac...@apache.org]

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acosentino pushed a commit to branch ftp-transforms
in repository https://gitbox.apache.org/repos/asf/camel-kafka-connector.git

commit 53b9449bc74de9eda8106cce8489fcbeed6b2322
Author: Andrea Cosentino <an...@gmail.com>
AuthorDate: Fri Nov 13 07:32:38 2020 +0100

    Add RemoteFileTransforms to the FTP connector directly
---
 .../ftp/transformers/FtpRemoteFileTransforms.java  | 71 ++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/connectors/camel-ftp-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/ftp/transformers/FtpRemoteFileTransforms.java b/connectors/camel-ftp-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/ftp/transformers/FtpRemoteFileTransforms.java
new file mode 100644
index 0000000..89db9d1
--- /dev/null
+++ b/connectors/camel-ftp-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/ftp/transformers/FtpRemoteFileTransforms.java
@@ -0,0 +1,71 @@
+/*
+ * 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.kafkaconnector.ftp.transformers;
+
+import java.util.Map;
+
+import org.apache.camel.component.file.remote.RemoteFile;
+import org.apache.camel.kafkaconnector.utils.SchemaHelper;
+import org.apache.kafka.common.config.ConfigDef;
+import org.apache.kafka.connect.connector.ConnectRecord;
+import org.apache.kafka.connect.transforms.Transformation;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class FtpRemoteFileTransforms <R extends ConnectRecord<R>> implements Transformation<R> {
+    public static final String FIELD_KEY_CONFIG = "key";
+    public static final ConfigDef CONFIG_DEF = new ConfigDef()
+            .define(FIELD_KEY_CONFIG, ConfigDef.Type.STRING, null, ConfigDef.Importance.MEDIUM,
+                    "Transforms Remote File to String");
+
+    private static final Logger LOG = LoggerFactory.getLogger(FtpRemoteFileTransforms.class);
+
+    @Override
+    public R apply(R r) {
+        Object value = r.value();
+
+        if (r.value() instanceof RemoteFile) {
+            LOG.debug("Converting record from RemoteFile to text");
+            RemoteFile message = (RemoteFile) r.value();
+
+            LOG.debug("Received text: {}", message.getBody());
+
+            return r.newRecord(r.topic(), r.kafkaPartition(), null, r.key(),
+                    SchemaHelper.buildSchemaBuilderForType(message.getBody()), message.getBody(), r.timestamp());
+
+        } else {
+            LOG.debug("Unexpected message type: {}", r.value().getClass());
+
+            return r;
+        }
+    }
+
+    @Override
+    public ConfigDef config() {
+        return CONFIG_DEF;
+    }
+
+    @Override
+    public void close() {
+
+    }
+
+    @Override
+    public void configure(Map<String, ?> map) {
+
+    }
+}