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) 

Source Link

Document

Fetch charset from Content-Type header value.

Usage

From source file:com.google.devtools.build.lib.remote.blobstore.http.HttpDownloadHandler.java

License:Open Source License

@Override
protected void channelRead0(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
    if (!msg.decoderResult().isSuccess()) {
        failAndClose(new IOException("Failed to parse the HTTP response."), ctx);
        return;/*from  www .j a  va  2s  .c o  m*/
    }
    if (!(msg instanceof HttpResponse) && !(msg instanceof HttpContent)) {
        failAndClose(
                new IllegalArgumentException("Unsupported message type: " + StringUtil.simpleClassName(msg)),
                ctx);
        return;
    }
    checkState(userPromise != null, "response before request");

    if (msg instanceof HttpResponse) {
        response = (HttpResponse) msg;
        if (!response.protocolVersion().equals(HttpVersion.HTTP_1_1)) {
            HttpException error = new HttpException(response,
                    "HTTP version 1.1 is required, was: " + response.protocolVersion(), null);
            failAndClose(error, ctx);
            return;
        }
        if (!HttpUtil.isContentLengthSet(response) && !HttpUtil.isTransferEncodingChunked(response)) {
            HttpException error = new HttpException(response,
                    "Missing 'Content-Length' or 'Transfer-Encoding: chunked' header", null);
            failAndClose(error, ctx);
            return;
        }
        downloadSucceeded = response.status().equals(HttpResponseStatus.OK);
        if (!downloadSucceeded) {
            out = new ByteArrayOutputStream();
        }
        keepAlive = HttpUtil.isKeepAlive((HttpResponse) msg);
    }

    if (msg instanceof HttpContent) {
        checkState(response != null, "content before headers");

        ByteBuf content = ((HttpContent) msg).content();
        content.readBytes(out, content.readableBytes());
        if (msg instanceof LastHttpContent) {
            if (downloadSucceeded) {
                succeedAndReset(ctx);
            } else {
                String errorMsg = response.status() + "\n";
                errorMsg += new String(((ByteArrayOutputStream) out).toByteArray(),
                        HttpUtil.getCharset(response));
                out.close();
                HttpException error = new HttpException(response, errorMsg, null);
                failAndReset(error, ctx);
            }
        }
    }
}

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From source file:com.google.devtools.build.lib.remote.blobstore.http.HttpUploadHandler.java

License:Open Source License

@SuppressWarnings("FutureReturnValueIgnored")
@Override//from ww w. j  ava  2  s. c om
protected void channelRead0(ChannelHandlerContext ctx, FullHttpResponse response) {
    if (!response.decoderResult().isSuccess()) {
        failAndClose(new IOException("Failed to parse the HTTP response."), ctx);
        return;
    }
    try {
        checkState(userPromise != null, "response before request");
        if (!response.status().equals(HttpResponseStatus.OK)
                && !response.status().equals(HttpResponseStatus.ACCEPTED)
                && !response.status().equals(HttpResponseStatus.CREATED)
                && !response.status().equals(HttpResponseStatus.NO_CONTENT)) {
            // Supporting more than OK status to be compatible with nginx webdav.
            String errorMsg = response.status().toString();
            if (response.content().readableBytes() > 0) {
                byte[] data = new byte[response.content().readableBytes()];
                response.content().readBytes(data);
                errorMsg += "\n" + new String(data, HttpUtil.getCharset(response));
            }
            failAndResetUserPromise(new HttpException(response, errorMsg, null));
        } else {
            succeedAndResetUserPromise();
        }
    } finally {
        if (!HttpUtil.isKeepAlive(response)) {
            ctx.close();
        }
    }
}

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