InternalAttribute Class — netty Architecture

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/multipart/InternalAttribute.java lines 31–155

final class InternalAttribute extends AbstractReferenceCounted implements InterfaceHttpData {
    private final List<ByteBuf> value = new ArrayList<ByteBuf>();
    private final Charset charset;
    private int size;

    InternalAttribute(Charset charset) {
        this.charset = charset;
    }

    @Override
    public HttpDataType getHttpDataType() {
        return HttpDataType.InternalAttribute;
    }

    public void addValue(String value) {
        ObjectUtil.checkNotNull(value, "value");
        ByteBuf buf = Unpooled.copiedBuffer(value, charset);
        this.value.add(buf);
        size += buf.readableBytes();
    }

    public void addValue(String value, int rank) {
        ObjectUtil.checkNotNull(value, "value");
        ByteBuf buf = Unpooled.copiedBuffer(value, charset);
        this.value.add(rank, buf);
        size += buf.readableBytes();
    }

    public void setValue(String value, int rank) {
        ObjectUtil.checkNotNull(value, "value");
        ByteBuf buf = Unpooled.copiedBuffer(value, charset);
        ByteBuf old = this.value.set(rank, buf);
        if (old != null) {
            size -= old.readableBytes();
            old.release();
        }
        size += buf.readableBytes();
    }

    @Override
    public int hashCode() {
        return getName().hashCode();
    }

    @Override
    public boolean equals(Object o) {
        if (!(o instanceof InternalAttribute)) {
            return false;
        }
        InternalAttribute attribute = (InternalAttribute) o;
        return getName().equalsIgnoreCase(attribute.getName());
    }

    @Override
    public int compareTo(InterfaceHttpData o) {
        if (!(o instanceof InternalAttribute)) {
            throw new ClassCastException("Cannot compare " + getHttpDataType() +
                    " with " + o.getHttpDataType());
        }
        return compareTo((InternalAttribute) o);
    }

    public int compareTo(InternalAttribute o) {
        return getName().compareToIgnoreCase(o.getName());
    }

    @Override
    public String toString() {
        StringBuilder result = new StringBuilder();
        for (ByteBuf elt : value) {
            result.append(elt.toString(charset));
        }
        return result.toString();
    }

    public int size() {
        return size;
    }

    public ByteBuf toByteBuf() {
        return Unpooled.compositeBuffer().addComponents(value).writerIndex(size()).readerIndex(0);