DefaultByteBufHolder Class — netty Architecture

Source Code

buffer/src/main/java/io/netty/buffer/DefaultByteBufHolder.java lines 25–158

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

    /**
     * {@inheritDoc}
     * <p>
     * Override this method to return a new instance of this object whose content is set to the specified
     * {@code content}. The default implementation of {@link #copy()}, {@link #duplicate()} and
     * {@link #retainedDuplicate()} invokes this method to create a copy.
     */
    @Override
    public ByteBufHolder replace(ByteBuf content) {
        return new DefaultByteBufHolder(content);
    }

    @Override
    public int refCnt() {
        return data.refCnt();
    }

    @Override
    public ByteBufHolder retain() {
        data.retain();
        return this;
    }

    @Override
    public ByteBufHolder retain(int increment) {
        data.retain(increment);
        return this;
    }

    @Override
    public ByteBufHolder touch() {
        data.touch();
        return this;
    }

    @Override
    public ByteBufHolder touch(Object hint) {
        data.touch(hint);