DefaultByteBufHolder.java — netty Source File

Source Code

/*
 * Copyright 2013 The Netty Project
 *
 * The Netty Project 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:
 *
 *   https://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.netty.buffer;

import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.StringUtil;

/**
 * Default implementation of a {@link ByteBufHolder} that holds it's data in a {@link ByteBuf}.
 *
 */
public class DefaultByteBufHolder implements ByteBufHolder {

    private final ByteBuf data;

    public DefaultByteBufHolder(ByteBuf data) {
        this.data = ObjectUtil.checkNotNull(data, "data");
    }

    @Override
    public ByteBuf content() {
        return ByteBufUtil.ensureAccessible(data);
    }

    /**
     * {@inheritDoc}
     * <p>
     * This method calls {@code replace(content().copy())} by default.
     */
    @Override
    public ByteBufHolder copy() {
        return replace(data.copy());
    }

    /**
     * {@inheritDoc}
     * <p>
     * This method calls {@code replace(content().duplicate())} by default.
     */
    @Override
    public ByteBufHolder duplicate() {
        return replace(data.duplicate());
    }

    /**
     * {@inheritDoc}
     * <p>
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