com.datastax.oss.driver.internal.core.protocol.BuiltInCompressors Maven / Gradle / Ivy
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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 com.datastax.oss.driver.internal.core.protocol;
import com.datastax.oss.driver.api.core.config.DefaultDriverOption;
import com.datastax.oss.driver.api.core.context.DriverContext;
import com.datastax.oss.protocol.internal.Compressor;
import com.datastax.oss.driver.shaded.netty.buffer.ByteBuf;
import java.util.Locale;
/**
* Provides a single entry point to create compressor instances in the driver.
*
* Note that this class also serves as a convenient target for GraalVM substitutions, see {@link
* CompressorSubstitutions}.
*/
public class BuiltInCompressors {
public static Compressor newInstance(String name, DriverContext context) {
switch (name.toLowerCase(Locale.ROOT)) {
case "lz4":
return new Lz4Compressor(context);
case "snappy":
return new SnappyCompressor(context);
case "none":
return Compressor.none();
default:
throw new IllegalArgumentException(
String.format(
"Unsupported compression algorithm '%s' (from configuration option %s)",
name, DefaultDriverOption.PROTOCOL_COMPRESSION.getPath()));
}
}
}