Example usage for io.netty.handler.codec.http HttpUtil getCharset

Introduction

In this page you can find the example usage for io.netty.handler.codec.http HttpUtil getCharset.

Prototype

public static Charset getCharset(CharSequence contentTypeValue, Charset defaultCharset) 

Source Link

Document

Fetch charset from Content-Type header value.

Usage

From source file:org.restnext.core.http.RequestImpl.java

License:Apache License

/**
 * Create a new instance./*from   w  w  w. j av  a  2  s.  co m*/
 *
 * @param context netty channel handler context
 * @param request netty full http request
 */
public RequestImpl(final ChannelHandlerContext context, final FullHttpRequest request) {
    Objects.requireNonNull(request, "request");
    Objects.requireNonNull(context, "context");

    this.charset = HttpUtil.getCharset(request, StandardCharsets.UTF_8);
    this.version = HttpVersion.HTTP_1_0.equals(request.protocolVersion()) ? Version.HTTP_1_0 : Version.HTTP_1_1;
    this.method = Method.valueOf(request.method().name());
    this.uri = URI.create(normalize(request.uri()));
    this.baseUri = createBaseUri(context, request);
    this.keepAlive = HttpUtil.isKeepAlive(request);

    // copy the inbound netty request headers.
    this.headers = new MultivaluedHashMap<>();
    for (Map.Entry<String, String> entry : request.headers()) {
        this.headers.add(entry.getKey().toLowerCase(), entry.getValue());
    }

    this.parameters = new MultivaluedHashMap<>();
    // decode the inbound netty request uri parameters.
    QueryStringDecoder queryDecoder = new QueryStringDecoder(request.uri(), charset);
    for (Map.Entry<String, List<String>> entry : queryDecoder.parameters().entrySet()) {
        this.parameters.addAll(entry.getKey(), entry.getValue());
    }

    // decode the inbound netty request body parameters.
    if (Method.POST.equals(method)) {
        CharSequence charSequence = HttpUtil.getMimeType(request);
        AsciiString mimeType = charSequence != null ? AsciiString.of(charSequence) : AsciiString.EMPTY_STRING;
        boolean isFormData = mimeType.contains(HttpHeaderValues.FORM_DATA);

        if (isFormData) {
            // decode the inbound netty request body multipart/form-data parameters.
            HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(new DefaultHttpDataFactory(), request,
                    charset);
            try {
                for (InterfaceHttpData data : decoder.getBodyHttpDatas()) {
                    InterfaceHttpData.HttpDataType type = data.getHttpDataType();
                    switch (type) {
                    case Attribute: {
                        try {
                            Attribute attribute = (Attribute) data;
                            this.parameters.add(attribute.getName(), attribute.getValue());
                        } catch (IOException ignore) {
                            LOGGER.warn("Could not get attribute value");
                        }
                        break;
                    }
                    case FileUpload:
                        break;
                    case InternalAttribute:
                        break;
                    default: //nop
                    }
                }
            } finally {
                decoder.destroy();
            }
        } else {
            // decode the inbound netty request body raw | form-url-encoded | octet-stream parameters.
            this.content = request.content().hasArray() ? request.content().array()
                    : request.content().toString(charset).getBytes();
        }
    }
}

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