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Posted to commits@camel.apache.org by ac...@apache.org on 2020/06/10 13:21:11 UTC
[camel-kafka-connector] 01/01: AWS2-S3 connector: Added the same
set of converters/transformers we have in AWS-S3
This is an automated email from the ASF dual-hosted git repository.
acosentino pushed a commit to branch aws2-s3-converters
in repository https://gitbox.apache.org/repos/asf/camel-kafka-connector.git
commit 3f69c9e8207c0273238a34625bf944fb21952a71
Author: Andrea Cosentino <an...@gmail.com>
AuthorDate: Wed Jun 10 15:20:20 2020 +0200
AWS2-S3 connector: Added the same set of converters/transformers we have in AWS-S3
---
.../aws2s3/converters/S3ObjectConverter.java | 46 +++++++++++++++++
.../aws2s3/serializers/S3ObjectSerializer.java | 60 ++++++++++++++++++++++
.../aws2s3/transforms/S3ObjectTransforms.java | 56 ++++++++++++++++++++
3 files changed, 162 insertions(+)
diff --git a/connectors/camel-aws2-s3-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2s3/converters/S3ObjectConverter.java b/connectors/camel-aws2-s3-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2s3/converters/S3ObjectConverter.java
new file mode 100644
index 0000000..6195452
--- /dev/null
+++ b/connectors/camel-aws2-s3-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2s3/converters/S3ObjectConverter.java
@@ -0,0 +1,46 @@
+/*
+ * 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.aws2s3.converters;
+
+import java.util.Map;
+
+import org.apache.camel.kafkaconnector.aws2s3.serializers.S3ObjectSerializer;
+import org.apache.kafka.connect.data.Schema;
+import org.apache.kafka.connect.data.SchemaAndValue;
+import org.apache.kafka.connect.storage.Converter;
+
+import software.amazon.awssdk.core.ResponseInputStream;
+
+public class S3ObjectConverter implements Converter {
+
+ private final S3ObjectSerializer serializer = new S3ObjectSerializer();
+
+ @Override
+ public void configure(Map<String, ?> configs, boolean isKey) {
+ }
+
+ @Override
+ public byte[] fromConnectData(String topic, Schema schema, Object value) {
+ return serializer.serialize(topic, (ResponseInputStream) value);
+ }
+
+ @Override
+ public SchemaAndValue toConnectData(String arg0, byte[] arg1) {
+ return null;
+ }
+
+}
diff --git a/connectors/camel-aws2-s3-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2s3/serializers/S3ObjectSerializer.java b/connectors/camel-aws2-s3-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2s3/serializers/S3ObjectSerializer.java
new file mode 100644
index 0000000..99d4e91
--- /dev/null
+++ b/connectors/camel-aws2-s3-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2s3/serializers/S3ObjectSerializer.java
@@ -0,0 +1,60 @@
+/*
+ * 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.aws2s3.serializers;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Map;
+
+
+import org.apache.kafka.common.serialization.Serializer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import software.amazon.awssdk.core.ResponseInputStream;
+
+public class S3ObjectSerializer implements Serializer<ResponseInputStream> {
+ private static final Logger LOG = LoggerFactory.getLogger(S3ObjectSerializer.class);
+
+ @Override
+ public void configure(Map<String, ?> configs, boolean isKey) {
+ }
+
+ @Override
+ public byte[] serialize(String topic, ResponseInputStream data) {
+ ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+
+ int nRead;
+ byte[] byteArray = new byte[16384];
+
+ try {
+ while ((nRead = data.read(byteArray, 0, byteArray.length)) != -1) {
+ buffer.write(byteArray, 0, nRead);
+ }
+ } catch (IOException e) {
+ LOG.warn("I/O error while serializing data from or to topic {}: {} | {}", topic, e.getMessage(), e);
+ }
+
+ return buffer.toByteArray();
+ }
+
+ @Override
+ public void close() {
+ }
+
+}
diff --git a/connectors/camel-aws2-s3-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2s3/transforms/S3ObjectTransforms.java b/connectors/camel-aws2-s3-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2s3/transforms/S3ObjectTransforms.java
new file mode 100644
index 0000000..8ecd74f
--- /dev/null
+++ b/connectors/camel-aws2-s3-kafka-connector/src/main/java/org/apache/camel/kafkaconnector/aws2s3/transforms/S3ObjectTransforms.java
@@ -0,0 +1,56 @@
+/*
+ * 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.aws2s3.transforms;
+
+import java.util.Map;
+
+import org.apache.camel.kafkaconnector.aws2s3.serializers.S3ObjectSerializer;
+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.transforms.Transformation;
+
+import software.amazon.awssdk.core.ResponseInputStream;
+
+public class S3ObjectTransforms<R extends ConnectRecord<R>> implements Transformation<R> {
+
+ public static final ConfigDef CONFIG_DEF = new ConfigDef()
+ .define("test", ConfigDef.Type.STRING, "test", ConfigDef.Importance.MEDIUM, "Transform the content of a bucket into a string ");
+
+ private final S3ObjectSerializer serializer = new S3ObjectSerializer();
+
+ @Override
+ public void configure(Map<String, ?> configs) {
+ }
+
+ @Override
+ public R apply(R record) {
+ byte[] v = serializer.serialize(record.topic(), (ResponseInputStream) record.value());
+ String finalValue = new String(v);
+ return record.newRecord(record.topic(), record.kafkaPartition(), null, record.key(), Schema.STRING_SCHEMA, finalValue, record.timestamp());
+ }
+
+ @Override
+ public void close() {
+ }
+
+ @Override
+ public ConfigDef config() {
+ return CONFIG_DEF;
+ }
+
+}