Examples with ServletException javax.servlet.ServletException used on opensource projects

Example 6 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class MaxConcurrentStreamsTest method testTwoConcurrentStreamsThirdWaits.

@Test
public void testTwoConcurrentStreamsThirdWaits() throws Exception {
    int maxStreams = 2;
    long sleep = 1000;
    start(maxStreams, new AbstractHandler() {

        @Override
        public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
            baseRequest.setHandled(true);
            sleep(sleep);
        }
    });
    client.setMaxConnectionsPerDestination(1);
    primeConnection();
    // Send requests up to the max allowed.
    for (int i = 0; i < maxStreams; ++i) {
        client.newRequest("localhost", connector.getLocalPort()).path("/" + i).send(null);
    }
    // Send the request in excess.
    CountDownLatch latch = new CountDownLatch(1);
    String path = "/excess";
    client.newRequest("localhost", connector.getLocalPort()).path(path).send(result -> {
        if (result.getResponse().getStatus() == HttpStatus.OK_200)
            latch.countDown();
    });
    // The last exchange should remain in the queue.
    HttpDestinationOverHTTP2 destination = (HttpDestinationOverHTTP2) client.getDestination("http", "localhost", connector.getLocalPort());
    Assert.assertEquals(1, destination.getHttpExchanges().size());
    Assert.assertEquals(path, destination.getHttpExchanges().peek().getRequest().getPath());
    Assert.assertTrue(latch.await(5 * sleep, TimeUnit.MILLISECONDS));
}

Example 7 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class AsyncMiddleManServletTest method testAfterContentTransformerDoNoTransform.

private void testAfterContentTransformerDoNoTransform(final boolean readSource, final boolean useDisk) throws Exception {
    final String key0 = "id";
    long value0 = 1;
    final String key1 = "channel";
    String value1 = "foo";
    final String json = "{ \"" + key0 + "\":" + value0 + ", \"" + key1 + "\":\"" + value1 + "\" }";
    startServer(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            response.getOutputStream().write(json.getBytes(StandardCharsets.UTF_8));
        }
    });
    startProxy(new AsyncMiddleManServlet() {

        @Override
        protected ContentTransformer newServerResponseContentTransformer(HttpServletRequest clientRequest, HttpServletResponse proxyResponse, Response serverResponse) {
            return new AfterContentTransformer() {

                {
                    if (useDisk)
                        setMaxInputBufferSize(0);
                }

                @Override
                public boolean transform(Source source, Sink sink) throws IOException {
                    if (readSource) {
                        InputStream input = source.getInputStream();
                        JSON.parse(new InputStreamReader(input, "UTF-8"));
                    }
                    // No transformation.
                    return false;
                }
            };
        }
    });
    startClient();
    ContentResponse response = client.newRequest("localhost", serverConnector.getLocalPort()).timeout(5, TimeUnit.SECONDS).send();
    Assert.assertEquals(200, response.getStatus());
    @SuppressWarnings("unchecked") Map<String, Object> obj = (Map<String, Object>) JSON.parse(response.getContentAsString());
    Assert.assertNotNull(obj);
    Assert.assertEquals(2, obj.size());
    Assert.assertEquals(value0, obj.get(key0));
    Assert.assertEquals(value1, obj.get(key1));
}

Example 8 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class AsyncMiddleManServletTest method testProxyResponseWriteFails.

private void testProxyResponseWriteFails(final int writeCount) throws Exception {
    startServer(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            ServletOutputStream output = response.getOutputStream();
            output.write(new byte[512]);
            output.flush();
            output.write(new byte[512]);
        }
    });
    startProxy(new AsyncMiddleManServlet() {

        private int count;

        @Override
        protected void writeProxyResponseContent(ServletOutputStream output, ByteBuffer content) throws IOException {
            if (++count < writeCount)
                super.writeProxyResponseContent(output, content);
            else
                throw new IOException("explicitly_thrown_by_test");
        }
    });
    startClient();
    ContentResponse response = client.newRequest("localhost", serverConnector.getLocalPort()).timeout(5, TimeUnit.SECONDS).send();
    Assert.assertEquals(502, response.getStatus());
}

Example 9 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class AsyncMiddleManServletTest method testAfterContentTransformerInputStreamReset.

private void testAfterContentTransformerInputStreamReset(final boolean overflow) throws Exception {
    final byte[] data = new byte[] { 'c', 'o', 'f', 'f', 'e', 'e' };
    startServer(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // Write the content in two chunks.
            int chunk = data.length / 2;
            ServletOutputStream output = response.getOutputStream();
            output.write(data, 0, chunk);
            sleep(1000);
            output.write(data, chunk, data.length - chunk);
        }
    });
    startProxy(new AsyncMiddleManServlet() {

        @Override
        protected ContentTransformer newServerResponseContentTransformer(HttpServletRequest clientRequest, HttpServletResponse proxyResponse, Response serverResponse) {
            return new AfterContentTransformer() {

                {
                    setMaxInputBufferSize(overflow ? data.length / 2 : data.length * 2);
                }

                @Override
                public boolean transform(Source source, Sink sink) throws IOException {
                    // Consume the stream once.
                    InputStream input = source.getInputStream();
                    IO.copy(input, IO.getNullStream());
                    // Reset the stream and re-read it.
                    input.reset();
                    IO.copy(input, sink.getOutputStream());
                    return true;
                }
            };
        }
    });
    startClient();
    ContentResponse response = client.newRequest("localhost", serverConnector.getLocalPort()).timeout(5, TimeUnit.SECONDS).send();
    Assert.assertEquals(HttpStatus.OK_200, response.getStatus());
    Assert.assertArrayEquals(data, response.getContent());
}

Example 10 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class AsyncMiddleManServletTest method testAfterContentTransformer.

@Test
public void testAfterContentTransformer() throws Exception {
    final String key0 = "id";
    long value0 = 1;
    final String key1 = "channel";
    String value1 = "foo";
    final String json = "{ \"" + key0 + "\":" + value0 + ", \"" + key1 + "\":\"" + value1 + "\" }";
    startServer(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            response.getOutputStream().write(json.getBytes(StandardCharsets.UTF_8));
        }
    });
    final String key2 = "c";
    startProxy(new AsyncMiddleManServlet() {

        @Override
        protected ContentTransformer newServerResponseContentTransformer(HttpServletRequest clientRequest, HttpServletResponse proxyResponse, Response serverResponse) {
            return new AfterContentTransformer() {

                @Override
                public boolean transform(Source source, Sink sink) throws IOException {
                    InputStream input = source.getInputStream();
                    @SuppressWarnings("unchecked") Map<String, Object> obj = (Map<String, Object>) JSON.parse(new InputStreamReader(input, "UTF-8"));
                    // Transform the object.
                    obj.put(key2, obj.remove(key1));
                    try (OutputStream output = sink.getOutputStream()) {
                        output.write(JSON.toString(obj).getBytes(StandardCharsets.UTF_8));
                        return true;
                    }
                }
            };
        }
    });
    startClient();
    ContentResponse response = client.newRequest("localhost", serverConnector.getLocalPort()).timeout(5, TimeUnit.SECONDS).send();
    Assert.assertEquals(200, response.getStatus());
    @SuppressWarnings("unchecked") Map<String, Object> obj = (Map<String, Object>) JSON.parse(response.getContentAsString());
    Assert.assertNotNull(obj);
    Assert.assertEquals(2, obj.size());
    Assert.assertEquals(value0, obj.get(key0));
    Assert.assertEquals(value1, obj.get(key2));
}