Example usage for io.netty.handler.codec.http DefaultHttpResponse DefaultHttpResponse

Introduction

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

Prototype

public DefaultHttpResponse(HttpVersion version, HttpResponseStatus status) 

Source Link

Document

Creates a new instance.

Usage

From source file:bean.lee.demo.netty.learn.http.file.HttpStaticFileServerHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    // ????/*from  w  w  w . ja va 2  s  . c  o m*/
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);
        return;
    }

    // ?get
    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    // uri??
    final String uri = request.getUri();
    final String path = sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // ??
    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    //?
    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }

    //?
    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // Only compare up to the second because the datetime format we send
        // to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = file.lastModified() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException fnfe) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

    // Write the initial line and the header.
    ctx.write(response);

    // Write the content.
    ChannelFuture sendFileFuture;
    if (useSendFile) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
    } else {
        sendFileFuture = ctx.write(new ChunkedFile(raf, 0, fileLength, 8192), ctx.newProgressivePromise());
    }

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println("Transfer progress: " + progress);
            } else {
                System.err.println("Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) throws Exception {
            System.err.println("Transfer complete.");
        }
    });

    // Write the end marker
    ChannelFuture lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    // Decide whether to close the connection or not.
    if (!isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:books.netty.protocol.http.fileServer.HttpFileServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);//from w  ww. j  a v  a 2s.  c o m
        return;
    }
    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }
    final String uri = request.getUri();
    final String path = sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }
    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }
    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }
    RandomAccessFile randomAccessFile = null;
    try {
        randomAccessFile = new RandomAccessFile(file, "r");// ??
    } catch (FileNotFoundException fnfe) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = randomAccessFile.length();
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    if (isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }
    ctx.write(response);
    ChannelFuture sendFileFuture;
    sendFileFuture = ctx.write(new ChunkedFile(randomAccessFile, 0, fileLength, 8192),
            ctx.newProgressivePromise());
    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println("Transfer progress: " + progress);
            } else {
                System.err.println("Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.out.println("Transfer complete.");
        }
    });
    ChannelFuture lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    if (!isKeepAlive(request)) {
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:cn.yesway.demo.book.protocol.http.fileServer.HttpFileServerHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);/*w  ww  .  j a  v  a2  s .com*/
        return;
    }
    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }
    final String uri = request.getUri();
    final String path = sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }
    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }
    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }
    RandomAccessFile randomAccessFile = null;
    try {
        randomAccessFile = new RandomAccessFile(file, "r");// ??
    } catch (FileNotFoundException fnfe) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = randomAccessFile.length();
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    if (isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }
    ctx.write(response);
    ChannelFuture sendFileFuture;
    sendFileFuture = ctx.write(new ChunkedFile(randomAccessFile, 0, fileLength, 8192),
            ctx.newProgressivePromise());
    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println("Transfer progress: " + progress);
            } else {
                System.err.println("Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) throws Exception {
            System.out.println("Transfer complete.");
        }
    });
    ChannelFuture lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    if (!isKeepAlive(request)) {
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:co.rsk.rpc.netty.Web3HttpMethodFilterHandler.java

License:Open Source License

@Override
protected void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) {
    HttpMethod httpMethod = request.getMethod();
    if (HttpMethod.POST.equals(httpMethod)) {
        // retain the request so it isn't released automatically by SimpleChannelInboundHandler
        ctx.fireChannelRead(request.retain());
    } else {//w  w w. ja v a 2s.  c o m
        HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1,
                HttpResponseStatus.NOT_IMPLEMENTED);
        ctx.write(response).addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:com.addthis.hydra.query.web.GoogleDriveAuthentication.java

License:Apache License

/**
 * Send an HTML formatted error message.
 *///  w  w  w. ja  v a  2  s .  c o  m
private static void sendErrorMessage(ChannelHandlerContext ctx, String message) throws IOException {
    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=utf-8");
    StringBuilderWriter writer = new StringBuilderWriter(50);
    writer.append("<html><head><title>Hydra Query Master</title></head><body>");
    writer.append("<h3>");
    writer.append(message);
    writer.append("</h3></body></html>");
    ByteBuf textResponse = ByteBufUtil.encodeString(ctx.alloc(), CharBuffer.wrap(writer.getBuilder()),
            CharsetUtil.UTF_8);
    HttpContent content = new DefaultHttpContent(textResponse);
    response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, textResponse.readableBytes());
    ctx.write(response);
    ctx.write(content);
    ChannelFuture lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    lastContentFuture.addListener(ChannelFutureListener.CLOSE);
}

---

From source file:com.addthis.hydra.query.web.HttpStaticFileHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);//from   w w w  .j  ava 2  s.  c o m
        return;
    }
    // since we are using send file, we must remove the compression unit or it will donk out
    ChannelHandler compressor = ctx.pipeline().get("compressor");
    if (compressor != null) {
        ctx.pipeline().remove("compressor");
    }

    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    QueryStringDecoder urlDecoder = new QueryStringDecoder(request.getUri());
    String target = urlDecoder.path();

    final String path = sanitizeUri(target);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    Path file = Paths.get(webDir + path);
    log.trace("trying to serve static file {}", file);
    if (Files.isHidden(file) || Files.notExists(file)) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (!Files.isRegularFile(file)) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    log.trace("cache validation occuring for {}", file);
    // Cache Validation
    String ifModifiedSince = request.headers().get(IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HttpUtils.HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // Only compare up to the second because the datetime format we send to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = Files.getLastModifiedTime(file).toMillis() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }

    log.trace("sending {}", file);

    FileChannel fileChannel;
    try {
        fileChannel = FileChannel.open(file, StandardOpenOption.READ);
    } catch (IOException fnfe) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = fileChannel.size();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    try {
        setDateAndCacheHeaders(response, file);
    } catch (IOException ioex) {
        fileChannel.close();
        sendError(ctx, NOT_FOUND);
        return;
    }
    if (isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

    // Write the initial line and the header.
    ctx.write(response);

    // Write the content.
    ctx.write(new DefaultFileRegion(fileChannel, 0, fileLength));

    // Write the end marker
    ChannelFuture lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    // Decide whether to close the connection or not.
    if (!isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    } else {
        ctx.pipeline().remove(this);
        if (compressor != null) {
            ctx.pipeline().addBefore("query", "compressor", compressor);
        }
    }
}

---

From source file:com.addthis.hydra.query.web.HttpUtils.java

License:Apache License

static HttpResponse startResponse(Writer writer) throws IOException {
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.OK);
    setContentTypeHeader(response, "application/json; charset=utf-8");
    return response;
}

---

From source file:com.barchart.netty.server.http.pipeline.PooledHttpServerResponse.java

License:BSD License

private ChannelFuture startResponse() throws IOException {

    checkFinished();/*from  w w  w .  ja va 2  s .c  om*/

    if (started)
        throw new IllegalStateException("Response already started");

    started = true;

    // Set headers
    headers().set(HttpHeaders.Names.SET_COOKIE, ServerCookieEncoder.encode(cookies));
    // Default content type
    if (!headers().contains(HttpHeaders.Names.CONTENT_TYPE)) {
        setContentType("text/html; charset=utf-8");
    }

    if (HttpHeaders.isKeepAlive(request)) {
        headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

    if (chunkSize > 0) {
        // Chunked, send initial response that is not a FullHttpResponse
        final DefaultHttpResponse resp = new DefaultHttpResponse(getProtocolVersion(), getStatus());
        resp.headers().add(headers());
        HttpHeaders.setTransferEncodingChunked(resp);
        return context.writeAndFlush(resp);
    } else {
        setContentLength(content().readableBytes());
        return context.writeAndFlush(this);
    }

}

---

From source file:com.buildria.mocking.builder.action.BodyActionTest.java

License:Open Source License

@Test
public void testApplyResponseUTF8() throws Exception {
    Object content = person;//w  w w  . j a  v  a2  s . co  m

    List<Action> actions = new ArrayList<>();
    actions.add(new HeaderAction("Content-Type", "application/json; charset=UTF-8"));

    Action action = new BodyAction(content, actions);
    HttpRequest req = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/api/p");
    HttpResponse res = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    HttpResponse out = action.apply(req, res);

    assertThat(out, notNullValue());

    assertThat(out, instanceOf(DefaultFullHttpResponse.class));
    DefaultFullHttpResponse response = (DefaultFullHttpResponse) out;
    ByteBuf buf = response.content();
    byte[] json = buf.toString(StandardCharsets.UTF_8).getBytes();

    assertThat(Integer.valueOf(out.headers().get("Content-Length")), is(json.length));

    ObjectSerializerContext ctx = new ObjectSerializerContext(SubType.JSON, StandardCharsets.UTF_8);
    ObjectSerializer serializer = ObjectSerializerFactory.create(ctx);
    byte[] expected = serializer.serialize(person);

    assertThat(json, is(expected));
}

---

From source file:com.buildria.mocking.builder.action.BodyActionTest.java

License:Open Source License

@Test
public void testApplyResponseUTF16BE() throws Exception {
    Object content = person;//from   w ww.j  ava 2  s.co m

    List<Action> actions = new ArrayList<>();
    actions.add(new HeaderAction("Content-Type", "application/json; charset=UTF-16BE"));

    Action action = new BodyAction(content, actions);
    HttpRequest req = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/api/p");
    HttpResponse res = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    HttpResponse out = action.apply(req, res);

    assertThat(out, notNullValue());

    assertThat(out, instanceOf(DefaultFullHttpResponse.class));
    DefaultFullHttpResponse response = (DefaultFullHttpResponse) out;
    ByteBuf buf = response.content();
    byte[] json = buf.toString(StandardCharsets.UTF_8).getBytes();

    assertThat(Integer.valueOf(out.headers().get("Content-Length")), is(json.length));

    ObjectSerializerContext ctx = new ObjectSerializerContext(SubType.JSON, StandardCharsets.UTF_16BE);
    ObjectSerializer serializer = ObjectSerializerFactory.create(ctx);
    byte[] expected = serializer.serialize(person);

    assertThat(json, is(expected));
}

---

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