org.apache.pulsar.common.compression.CompressionCodecNone 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 org.apache.pulsar.common.compression;

import org.apache.pulsar.shade.io.netty.buffer.ByteBuf;
import java.io.IOException;

/**
 * No compression.
 */
public class CompressionCodecNone implements CompressionCodec {

    @Override
    public ByteBuf encode(ByteBuf raw) {
        // Provides an encoder that simply returns the same uncompressed buffer
        return raw.retain();
    }

    @Override
    public ByteBuf decode(ByteBuf encoded, int uncompressedSize) throws IOException {
        // No decompression is required for this codec
        return encoded.retain();
    }
}