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KAFKA-18211: Override class loaders for class graph scanning in conne…
…ct. (#18403) Reviewers: Greg Harris <greg.harris@aiven.io>
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17 changes: 17 additions & 0 deletions
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...-plugins/classpath-converter/META-INF/services/org.apache.kafka.connect.storage.Converter
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# 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. | ||
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org.apache.kafka.connect.converters.ByteArrayConverter | ||
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96
...t-plugins/classpath-converter/org/apache/kafka/connect/converters/ByteArrayConverter.java
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/* | ||
* 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.kafka.connect.converters; | ||
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import org.apache.kafka.common.config.ConfigDef; | ||
import org.apache.kafka.common.utils.AppInfoParser; | ||
import org.apache.kafka.connect.components.Versioned; | ||
import org.apache.kafka.connect.connector.Task; | ||
import org.apache.kafka.connect.data.Schema; | ||
import org.apache.kafka.connect.data.SchemaAndValue; | ||
import org.apache.kafka.connect.errors.DataException; | ||
import org.apache.kafka.connect.sink.SinkConnector; | ||
import org.apache.kafka.connect.storage.Converter; | ||
import org.apache.kafka.connect.storage.ConverterConfig; | ||
import org.apache.kafka.connect.storage.HeaderConverter; | ||
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import java.nio.ByteBuffer; | ||
import java.util.List; | ||
import java.util.Map; | ||
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public class ByteArrayConverter implements Converter, HeaderConverter, Versioned { | ||
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private static final ConfigDef CONFIG_DEF = ConverterConfig.newConfigDef(); | ||
@Override | ||
public String version() { | ||
return AppInfoParser.getVersion(); | ||
} | ||
@Override | ||
public ConfigDef config() { | ||
return CONFIG_DEF; | ||
} | ||
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@Override | ||
public void configure(Map<String, ?> configs) { | ||
} | ||
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@Override | ||
public void configure(Map<String, ?> configs, boolean isKey) { | ||
} | ||
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@Override | ||
public byte[] fromConnectData(String topic, Schema schema, Object value) { | ||
if (schema != null && schema.type() != Schema.Type.BYTES) | ||
throw new DataException("Invalid schema type for ByteArrayConverter: " + schema.type().toString()); | ||
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if (value != null && !(value instanceof byte[]) && !(value instanceof ByteBuffer)) | ||
throw new DataException("ByteArrayConverter is not compatible with objects of type " + value.getClass()); | ||
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return value instanceof ByteBuffer ? getBytesFromByteBuffer((ByteBuffer) value) : (byte[]) value; | ||
} | ||
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@Override | ||
public SchemaAndValue toConnectData(String topic, byte[] value) { | ||
return new SchemaAndValue(Schema.OPTIONAL_BYTES_SCHEMA, value); | ||
} | ||
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@Override | ||
public byte[] fromConnectHeader(String topic, String headerKey, Schema schema, Object value) { | ||
return fromConnectData(topic, schema, value); | ||
} | ||
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@Override | ||
public SchemaAndValue toConnectHeader(String topic, String headerKey, byte[] value) { | ||
return toConnectData(topic, value); | ||
} | ||
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@Override | ||
public void close() { | ||
// do nothing | ||
} | ||
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private byte[] getBytesFromByteBuffer(ByteBuffer byteBuffer) { | ||
if (byteBuffer == null) { | ||
return null; | ||
} | ||
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byteBuffer.rewind(); | ||
byte[] bytes = new byte[byteBuffer.remaining()]; | ||
byteBuffer.get(bytes); | ||
return bytes; | ||
} | ||
} |