Examples of HttpConsumer

Examples of org.apache.camel.component.http.HttpConsumer

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    @Override
    protected void service(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
        log.trace("Service: {}", request);

        // is there a consumer registered for the request.
        HttpConsumer consumer = resolve(request);
        if (consumer == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }

        if ("TRACE".equals(request.getMethod()) && !consumer.isTraceEnabled()) {
            response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
        }
       
        final Exchange result = (Exchange) request.getAttribute(EXCHANGE_ATTRIBUTE_NAME);
        if (result == null) {
            // no asynchronous result so leverage continuation
            final Continuation continuation = ContinuationSupport.getContinuation(request);
            if (continuation.isInitial() && continuationTimeout != null) {
                // set timeout on initial
                continuation.setTimeout(continuationTimeout);
            }

            // are we suspended and a request is dispatched initially?
            if (consumer.isSuspended() && continuation.isInitial()) {
                response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
                return;
            }

            if (continuation.isExpired()) {
                String id = (String) continuation.getAttribute(EXCHANGE_ATTRIBUTE_ID);
                // remember this id as expired
                expiredExchanges.put(id, id);
                log.warn("Continuation expired of exchangeId: {}", id);
                response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
                return;
            }

            // a new request so create an exchange
            final Exchange exchange = new DefaultExchange(consumer.getEndpoint(), ExchangePattern.InOut);
            if (consumer.getEndpoint().isBridgeEndpoint()) {
                exchange.setProperty(Exchange.SKIP_GZIP_ENCODING, Boolean.TRUE);
            }
            if (consumer.getEndpoint().isDisableStreamCache()) {
                exchange.setProperty(Exchange.DISABLE_HTTP_STREAM_CACHE, Boolean.TRUE);
            }
           
            HttpHelper.setCharsetFromContentType(request.getContentType(), exchange);
            exchange.setIn(new HttpMessage(exchange, request, response));

            log.trace("Suspending continuation of exchangeId: {}", exchange.getExchangeId());
            continuation.setAttribute(EXCHANGE_ATTRIBUTE_ID, exchange.getExchangeId());
            // must suspend before we process the exchange
            continuation.suspend();

            log.trace("Processing request for exchangeId: {}", exchange.getExchangeId());
            // use the asynchronous API to process the exchange
            consumer.getAsyncProcessor().process(exchange, new AsyncCallback() {
                public void done(boolean doneSync) {
                    // check if the exchange id is already expired
                    boolean expired = expiredExchanges.remove(exchange.getExchangeId()) != null;
                    if (!expired) {
                        log.trace("Resuming continuation of exchangeId: {}", exchange.getExchangeId());
                        // resume processing after both, sync and async callbacks
                        continuation.setAttribute(EXCHANGE_ATTRIBUTE_NAME, exchange);
                        continuation.resume();
                    } else {
                        log.warn("Cannot resume expired continuation of exchangeId: {}", exchange.getExchangeId());
                    }
                }
            });

            // return to let Jetty continuation to work as it will resubmit and invoke the service
            // method again when its resumed
            return;
        }

        try {
            log.trace("Resumed continuation and writing response for exchangeId: {}", result.getExchangeId());
            // now lets output to the response
            consumer.getBinding().writeResponse(result, response);
        } catch (IOException e) {
            log.error("Error processing request", e);
            throw e;
        } catch (Exception e) {
            log.error("Error processing request", e);
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Examples of org.apache.camel.component.http.HttpConsumer

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    @Override
    protected void service(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
        log.trace("Service: {}", request);

        // is there a consumer registered for the request.
        HttpConsumer consumer = getServletResolveConsumerStrategy().resolve(request, getConsumers());
        if (consumer == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }

        if (consumer.getEndpoint().getHttpMethodRestrict() != null
            && !consumer.getEndpoint().getHttpMethodRestrict().equals(request.getMethod())) {
            response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
            return;
        }

        if ("TRACE".equals(request.getMethod()) && !consumer.isTraceEnabled()) {
            response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
            return;
        }
       
        final Exchange result = (Exchange) request.getAttribute(EXCHANGE_ATTRIBUTE_NAME);
        if (result == null) {
            // no asynchronous result so leverage continuation
            final Continuation continuation = ContinuationSupport.getContinuation(request);
            if (continuation.isInitial() && continuationTimeout != null) {
                // set timeout on initial
                continuation.setTimeout(continuationTimeout);
            }

            // are we suspended and a request is dispatched initially?
            if (consumer.isSuspended() && continuation.isInitial()) {
                response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
                return;
            }

            if (continuation.isExpired()) {
                String id = (String) continuation.getAttribute(EXCHANGE_ATTRIBUTE_ID);
                // remember this id as expired
                expiredExchanges.put(id, id);
                log.warn("Continuation expired of exchangeId: {}", id);
                response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
                return;
            }

            // a new request so create an exchange
            final Exchange exchange = new DefaultExchange(consumer.getEndpoint(), ExchangePattern.InOut);

            if (consumer.getEndpoint().isBridgeEndpoint()) {
                exchange.setProperty(Exchange.SKIP_GZIP_ENCODING, Boolean.TRUE);
                exchange.setProperty(Exchange.SKIP_WWW_FORM_URLENCODED, Boolean.TRUE);
            }
            if (consumer.getEndpoint().isDisableStreamCache()) {
                exchange.setProperty(Exchange.DISABLE_HTTP_STREAM_CACHE, Boolean.TRUE);
            }
           
            HttpHelper.setCharsetFromContentType(request.getContentType(), exchange);
           
            exchange.setIn(new HttpMessage(exchange, request, response));
            // set context path as header
            String contextPath = consumer.getEndpoint().getPath();
            exchange.getIn().setHeader("CamelServletContextPath", contextPath);
           
            String httpPath = (String)exchange.getIn().getHeader(Exchange.HTTP_PATH);
            // here we just remove the CamelServletContextPath part from the HTTP_PATH
            if (contextPath != null
                && httpPath.startsWith(contextPath)) {
                exchange.getIn().setHeader(Exchange.HTTP_PATH,
                        httpPath.substring(contextPath.length()));
            }

            if (log.isTraceEnabled()) {
                log.trace("Suspending continuation of exchangeId: {}", exchange.getExchangeId());
            }
            continuation.setAttribute(EXCHANGE_ATTRIBUTE_ID, exchange.getExchangeId());

            // we want to handle the UoW
            try {
                consumer.createUoW(exchange);
            } catch (Exception e) {
                log.error("Error processing request", e);
                throw new ServletException(e);
            }

            // must suspend before we process the exchange
            continuation.suspend();

            ClassLoader oldTccl = overrideTccl(exchange);

            if (log.isTraceEnabled()) {
                log.trace("Processing request for exchangeId: {}", exchange.getExchangeId());
            }
            // use the asynchronous API to process the exchange
           
            consumer.getAsyncProcessor().process(exchange, new AsyncCallback() {
                public void done(boolean doneSync) {
                    // check if the exchange id is already expired
                    boolean expired = expiredExchanges.remove(exchange.getExchangeId()) != null;
                    if (!expired) {
                        if (log.isTraceEnabled()) {
                            log.trace("Resuming continuation of exchangeId: {}", exchange.getExchangeId());
                        }
                        // resume processing after both, sync and async callbacks
                        continuation.setAttribute(EXCHANGE_ATTRIBUTE_NAME, exchange);
                        continuation.resume();
                    } else {
                        log.warn("Cannot resume expired continuation of exchangeId: {}", exchange.getExchangeId());
                    }
                }
            });

            if (oldTccl != null) {
                restoreTccl(exchange, oldTccl);
            }
           
            // return to let Jetty continuation to work as it will resubmit and invoke the service
            // method again when its resumed
            return;
        }

        try {
            // now lets output to the response
            if (log.isTraceEnabled()) {
                log.trace("Resumed continuation and writing response for exchangeId: {}", result.getExchangeId());
            }
            Integer bs = consumer.getEndpoint().getResponseBufferSize();
            if (bs != null) {
                log.trace("Using response buffer size: {}", bs);
                response.setBufferSize(bs);
            }
            consumer.getBinding().writeResponse(result, response);
        } catch (IOException e) {
            log.error("Error processing request", e);
            throw e;
        } catch (Exception e) {
            log.error("Error processing request", e);
            throw new ServletException(e);
        } finally {
            consumer.doneUoW(result);
        }
    }
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Examples of org.apache.camel.component.http.HttpConsumer

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*/
public class JettyRestServletResolveConsumerStrategy extends HttpServletResolveConsumerStrategy {

    @Override
    public HttpConsumer resolve(HttpServletRequest request, Map<String, HttpConsumer> consumers) {
        HttpConsumer answer = null;

        String path = request.getPathInfo();
        if (path == null) {
            return null;
        }
        String method = request.getMethod();
        if (method == null) {
            return null;
        }

        List<HttpConsumer> candidates = new ArrayList<HttpConsumer>();

        // first match by http method
        for (Map.Entry<String, HttpConsumer> entry : consumers.entrySet()) {
            String restrict = entry.getValue().getEndpoint().getHttpMethodRestrict();
            if (matchRestMethod(method, restrict)) {
                candidates.add(entry.getValue());
            }
        }

        // then see if we got a direct match
        Iterator<HttpConsumer> it = candidates.iterator();
        while (it.hasNext()) {
            HttpConsumer consumer = it.next();
            String consumerPath = consumer.getPath();
            if (matchRestPath(path, consumerPath, false)) {
                answer = consumer;
                break;
            }
        }

        // then match by non wildcard path
        if (answer == null) {
            it = candidates.iterator();
            while (it.hasNext()) {
                HttpConsumer consumer = it.next();
                String consumerPath = consumer.getPath();
                if (!matchRestPath(path, consumerPath, true)) {
                    it.remove();
                }
            }

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Examples of org.apache.camel.component.http.HttpConsumer

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*/
public class ServletRestServletResolveConsumerStrategy extends HttpServletResolveConsumerStrategy {

    @Override
    public HttpConsumer resolve(HttpServletRequest request, Map<String, HttpConsumer> consumers) {
        HttpConsumer answer = null;

        String path = request.getPathInfo();
        if (path == null) {
            return null;
        }
        String method = request.getMethod();
        if (method == null) {
            return null;
        }

        List<HttpConsumer> candidates = new ArrayList<HttpConsumer>();

        // first match by http method
        for (Map.Entry<String, HttpConsumer> entry : consumers.entrySet()) {
            String restrict = entry.getValue().getEndpoint().getHttpMethodRestrict();
            if (matchRestMethod(method, restrict)) {
                candidates.add(entry.getValue());
            }
        }

        // then see if we got a direct match
        Iterator<HttpConsumer> it = candidates.iterator();
        while (it.hasNext()) {
            HttpConsumer consumer = it.next();
            String consumerPath = consumer.getPath();
            if (matchRestPath(path, consumerPath, false)) {
                answer = consumer;
                break;
            }
        }

        // then match by non wildcard path
        if (answer == null) {
            it = candidates.iterator();
            while (it.hasNext()) {
                HttpConsumer consumer = it.next();
                String consumerPath = consumer.getPath();
                if (!matchRestPath(path, consumerPath, true)) {
                    it.remove();
                }
            }

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Examples of org.apache.camel.component.http.HttpConsumer

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    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException,
        IOException {
        log.trace("Service: {}", request);

        // Is there a consumer registered for the request.
        HttpConsumer consumer = getServletResolveConsumerStrategy().resolve(request, getConsumers());
        if (consumer == null) {
            log.debug("No consumer to service request {}", request);
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }      
       
        // are we suspended?
        if (consumer.isSuspended()) {
            log.debug("Consumer suspended, cannot service request {}", request);
            response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
            return;
        }
       
        if (consumer.getEndpoint().getHttpMethodRestrict() != null
            && !consumer.getEndpoint().getHttpMethodRestrict().equals(request.getMethod())) {
            response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
            return;
        }

        if ("TRACE".equals(request.getMethod()) && !consumer.isTraceEnabled()) {
            response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
            return;
        }

        if (!(consumer instanceof WebsocketConsumer)) {
            log.debug("Consumer not supporting websocket {}", request);
            response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
            return;
        }
       
        log.debug("Dispatching to Websocket Consumer at {}", consumer.getPath());
        ((WebsocketConsumer)consumer).service(request, response);
    }
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Examples of org.apache.camel.component.http.HttpConsumer

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        }
    }

    @Override
    public Consumer createConsumer(Processor processor) throws Exception {
        HttpConsumer answer = new HttpConsumer(this, processor);
        configureConsumer(answer);
        return answer;
    }  
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Examples of org.apache.camel.component.http.HttpConsumer

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        String reply = template.requestBody(serverUri, "World", String.class);
        assertEquals("Bye World", reply);

        // now suspend jetty
        HttpConsumer consumer = (HttpConsumer) context.getRoute("route1").getConsumer();
        assertNotNull(consumer);

        // suspend
        consumer.suspend();

        try {
            template.requestBody(serverUri, "Moon", String.class);
            fail("Should throw exception");
        } catch (Exception e) {
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Examples of org.apache.camel.component.http.HttpConsumer

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        String reply = template.requestBody(serverUri, "World", String.class);
        assertEquals("Bye World", reply);

        // now suspend jetty
        HttpConsumer consumer = (HttpConsumer) context.getRoute("route1").getConsumer();
        assertNotNull(consumer);

        // suspend
        consumer.suspend();

        try {
            template.requestBody(serverUri, "Moon", String.class);
            fail("Should throw exception");
        } catch (Exception e) {
            HttpOperationFailedException cause = assertIsInstanceOf(HttpOperationFailedException.class, e.getCause());
            assertEquals(503, cause.getStatusCode());
        }

        // resume
        consumer.resume();

        // and send request which should be processed
        reply = template.requestBody(serverUri, "Moon", String.class);
        assertEquals("Bye Moon", reply);
    }
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Examples of org.apache.camel.component.http.HttpConsumer

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        String reply = template.requestBody(serverUri, "World", String.class);
        assertEquals("Bye World", reply);

        // now suspend jetty
        HttpConsumer consumer = (HttpConsumer) context.getRoute("route1").getConsumer();
        assertNotNull(consumer);

        // suspend
        consumer.suspend();

        try {
            template.requestBody(serverUri, "Moon", String.class);
            fail("Should throw exception");
        } catch (Exception e) {
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Examples of org.apache.camel.component.http.HttpConsumer

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        if (log.isTraceEnabled()) {
            log.trace("Service: " + request);
        }

        // is there a consumer registered for the request.
        HttpConsumer consumer = resolve(request);
        if (consumer == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }

        final Exchange result = (Exchange) request.getAttribute(EXCHANGE_ATTRIBUTE_NAME);
        if (result == null) {
            // no asynchronous result so leverage continuation
            final Continuation continuation = ContinuationSupport.getContinuation(request);
            if (continuationTimeout != null) {
                continuation.setTimeout(continuationTimeout);
            }

            // are we suspended and a request is dispatched initially?
            if (consumer.isSuspended() && continuation.isInitial()) {
                response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
                return;
            }

            if (continuation.isExpired()) {
                String id = (String) continuation.getAttribute(EXCHANGE_ATTRIBUTE_ID);
                log.warn("Continuation expired of exchangeId: " + id);
                response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
                return;
            }

            // a new request so create an exchange
            final Exchange exchange = new DefaultExchange(consumer.getEndpoint(), ExchangePattern.InOut);
            if (consumer.getEndpoint().isBridgeEndpoint()) {
                exchange.setProperty(Exchange.SKIP_GZIP_ENCODING, Boolean.TRUE);
            }
            if (consumer.getEndpoint().isDisableStreamCache()) {
                exchange.setProperty(Exchange.DISABLE_HTTP_STREAM_CACHE, Boolean.TRUE);
            }
            exchange.setIn(new HttpMessage(exchange, request, response));

            if (log.isTraceEnabled()) {
                log.trace("Suspending continuation of exchangeId: " + exchange.getExchangeId());
            }
            continuation.setAttribute(EXCHANGE_ATTRIBUTE_ID, exchange.getExchangeId());
            // must suspend before we process the exchange
            continuation.suspend();

            if (log.isTraceEnabled()) {
                log.trace("Processing request for exchangeId: " + exchange.getExchangeId());
            }
            // use the asynchronous API to process the exchange
            consumer.getAsyncProcessor().process(exchange, new AsyncCallback() {
                public void done(boolean doneSync) {
                    if (log.isTraceEnabled()) {
                        log.trace("Resuming continuation of exchangeId: " + exchange.getExchangeId());
                    }
                    // resume processing after both, sync and async callbacks
                    continuation.setAttribute(EXCHANGE_ATTRIBUTE_NAME, exchange);
                    continuation.resume();
                }
            });

            // return to let Jetty continuation to work as it will resubmit and invoke the service
            // method again when its resumed
            return;
        }

        try {
            if (log.isTraceEnabled()) {
                log.trace("Resumed continuation and writing response for exchangeId: " + result.getExchangeId());
            }
            // now lets output to the response
            consumer.getBinding().writeResponse(result, response);
        } catch (IOException e) {
            log.error("Error processing request", e);
            throw e;
        } catch (Exception e) {
            log.error("Error processing request", e);
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