HttpPostRequestDecoder Class — netty Architecture

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/multipart/HttpPostRequestDecoder.java lines 36–410

public class HttpPostRequestDecoder implements InterfaceHttpPostRequestDecoder {

    static final int DEFAULT_DISCARD_THRESHOLD = 10 * 1024 * 1024;

    static final int DEFAULT_MAX_FIELDS = 128;

    static final int DEFAULT_MAX_BUFFERED_BYTES = 1024;

    private final InterfaceHttpPostRequestDecoder decoder;

    /**
     *
     * @param request
     *            the request to decode
     * @throws NullPointerException
     *             for request
     * @throws ErrorDataDecoderException
     *             if the default charset was wrong when decoding or other
     *             errors
     */
    public HttpPostRequestDecoder(HttpRequest request) {
        this(new DefaultHttpDataFactory(DefaultHttpDataFactory.MINSIZE), request, HttpConstants.DEFAULT_CHARSET);
    }

    /**
     *
     * @param request
     *            the request to decode
     * @param maxFields
     *            the maximum number of fields the form can have, {@code -1} to disable
     * @param maxBufferedBytes
     *            the maximum number of bytes the decoder can buffer when decoding a field, {@code -1} to disable
     * @throws NullPointerException
     *             for request
     * @throws ErrorDataDecoderException
     *             if the default charset was wrong when decoding or other
     *             errors
     */
    public HttpPostRequestDecoder(HttpRequest request, int maxFields, int maxBufferedBytes) {
        this(new DefaultHttpDataFactory(DefaultHttpDataFactory.MINSIZE), request, HttpConstants.DEFAULT_CHARSET,
             maxFields, maxBufferedBytes);
    }

    /**
     *
     * @param factory
     *            the factory used to create InterfaceHttpData
     * @param request
     *            the request to decode
     * @throws NullPointerException
     *             for request or factory
     * @throws ErrorDataDecoderException
     *             if the default charset was wrong when decoding or other
     *             errors
     */
    public HttpPostRequestDecoder(HttpDataFactory factory, HttpRequest request) {
        this(factory, request, HttpConstants.DEFAULT_CHARSET);
    }

    /**
     *
     * @param factory
     *            the factory used to create InterfaceHttpData
     * @param request
     *            the request to decode
     * @param charset
     *            the charset to use as default
     * @throws NullPointerException
     *             for request or charset or factory
     * @throws ErrorDataDecoderException
     *             if the default charset was wrong when decoding or other
     *             errors
     */
    public HttpPostRequestDecoder(HttpDataFactory factory, HttpRequest request, Charset charset) {
        ObjectUtil.checkNotNull(factory, "factory");
        ObjectUtil.checkNotNull(request, "request");
        ObjectUtil.checkNotNull(charset, "charset");

        // Fill default values
        if (isMultipart(request)) {
            decoder = new HttpPostMultipartRequestDecoder(factory, request, charset);