io.airlift.compress.v2.snappy.SnappyFramed Maven / Gradle / Ivy
/*
* Licensed 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 io.airlift.compress.v2.snappy;
/**
* Constants for implementing x-snappy-framed.
*/
final class SnappyFramed
{
public static final int COMPRESSED_DATA_FLAG = 0x00;
public static final int UNCOMPRESSED_DATA_FLAG = 0x01;
public static final int STREAM_IDENTIFIER_FLAG = 0xff;
/**
* The header consists of the stream identifier flag, 3 bytes indicating a
* length of 6, and "sNaPpY" in ASCII.
*/
public static final byte[] HEADER_BYTES = new byte[] {(byte) STREAM_IDENTIFIER_FLAG, 0x06, 0x00, 0x00, 0x73, 0x4e, 0x61, 0x50, 0x70, 0x59};
private SnappyFramed()
{
}
}
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