kafka.message.CompressionFactory.scala Maven / Gradle / Ivy
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Kafka client whose producer requires explicit encoders.
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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 kafka.message
import java.io.OutputStream
import java.util.zip.GZIPOutputStream
import java.util.zip.GZIPInputStream
import java.io.InputStream
import org.apache.kafka.common.message.{KafkaLZ4BlockInputStream, KafkaLZ4BlockOutputStream}
object CompressionFactory {
def apply(compressionCodec: CompressionCodec, stream: OutputStream): OutputStream = {
compressionCodec match {
case DefaultCompressionCodec => new GZIPOutputStream(stream)
case GZIPCompressionCodec => new GZIPOutputStream(stream)
case SnappyCompressionCodec =>
import org.xerial.snappy.SnappyOutputStream
new SnappyOutputStream(stream)
case LZ4CompressionCodec =>
new KafkaLZ4BlockOutputStream(stream)
case _ =>
throw new kafka.common.UnknownCodecException("Unknown Codec: " + compressionCodec)
}
}
def apply(compressionCodec: CompressionCodec, stream: InputStream): InputStream = {
compressionCodec match {
case DefaultCompressionCodec => new GZIPInputStream(stream)
case GZIPCompressionCodec => new GZIPInputStream(stream)
case SnappyCompressionCodec =>
import org.xerial.snappy.SnappyInputStream
new SnappyInputStream(stream)
case LZ4CompressionCodec =>
new KafkaLZ4BlockInputStream(stream)
case _ =>
throw new kafka.common.UnknownCodecException("Unknown Codec: " + compressionCodec)
}
}
}