com.github.sparkfy.network.buffer.NioManagedBuffer.java Source code

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Here is the source code for com.github.sparkfy.network.buffer.NioManagedBuffer.java

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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.github.sparkfy.network.buffer;

import com.google.common.base.Objects;
import io.netty.buffer.ByteBufInputStream;
import io.netty.buffer.Unpooled;

import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;

/**
 * A {@link ManagedBuffer} backed by {@link ByteBuffer}.
 */
public class NioManagedBuffer extends ManagedBuffer {
    private final ByteBuffer buf;

    public NioManagedBuffer(ByteBuffer buf) {
        this.buf = buf;
    }

    @Override
    public long size() {
        return buf.remaining();
    }

    @Override
    public ByteBuffer nioByteBuffer() throws IOException {
        return buf.duplicate();
    }

    @Override
    public InputStream createInputStream() throws IOException {
        return new ByteBufInputStream(Unpooled.wrappedBuffer(buf));
    }

    @Override
    public ManagedBuffer retain() {
        return this;
    }

    @Override
    public ManagedBuffer release() {
        return this;
    }

    @Override
    public Object convertToNetty() throws IOException {
        return Unpooled.wrappedBuffer(buf);
    }

    @Override
    public String toString() {
        return Objects.toStringHelper(this).add("buf", buf).toString();
    }
}