com.eightkdata.mongowp.bson.netty.ByteBufByteSource Maven / Gradle / Ivy

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/*
 * This file is part of MongoWP.
 *
 * MongoWP is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MongoWP is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with bson-netty. If not, see .
 *
 * Copyright (C) 2016 8Kdata.
 * 
 */

package com.eightkdata.mongowp.bson.netty;

import com.eightkdata.mongowp.bson.netty.annotations.ConservesIndexes;
import com.eightkdata.mongowp.bson.netty.annotations.Tight;
import com.google.common.io.ByteSource;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufInputStream;
import java.io.InputStream;

/**
 *
 */
public class ByteBufByteSource extends ByteSource {

    private final ByteBuf byteBuf;

    public ByteBufByteSource(@Tight @ConservesIndexes ByteBuf byteBuf) {
        this.byteBuf = byteBuf.slice();
    }

    @Override
    public InputStream openStream() {
        return new ByteBufInputStream(byteBuf.slice());
    }

}