Examples of HttpConsumer

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

36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
        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) {
View Full Code Here

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

36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
        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);
    }
View Full Code Here

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

66
67
68
69
70
71
72
        }
    }

    @Override
    public Consumer createConsumer(Processor processor) throws Exception {
        return new HttpConsumer(this, processor);
    }  
View Full Code Here

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

46
47
48
49
50
51
52
        // return new JettyHttpProducer(this);
    }

    @Override
    public Consumer<HttpExchange> createConsumer(Processor processor) throws Exception {
        return new HttpConsumer(this, processor);
    }
View Full Code Here

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

57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
    @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 (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);
            // we want to handle the UoW
            try {
                consumer.createUoW(exchange);
            } catch (Exception e) {
                log.error("Error processing request", e);
                throw new ServletException(e);
            }

            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));
            // 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());
            // 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);
        }
    }
View Full Code Here

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

55
56
57
58
59
60
61
        return answer;
    }

    @Override
    public Consumer createConsumer(Processor processor) throws Exception {
        return new HttpConsumer(this, processor);
    }  
View Full Code Here

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

43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
       
    @Override
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        try {
            // Is there a consumer registered for the request.
            HttpConsumer consumer = resolve(request);
            if (consumer == null) {
                response.sendError(HttpServletResponse.SC_NOT_FOUND);
                return;
            }

            final Continuation continuation = ContinuationSupport.getContinuation(request);
            if (continuation.isInitial()) {
                // Have the camel process the HTTP exchange.
                // final DefaultExchange exchange = new DefaultExchange(consumer.getEndpoint(), ExchangePattern.InOut);
                // exchange.setProperty(HttpConstants.SERVLET_REQUEST, request);
                // exchange.setProperty(HttpConstants.SERVLET_RESPONSE, response);
                // exchange.setIn(new HttpMessage(exchange, request));
                // boolean sync = consumer.getAsyncProcessor().process(exchange, new AsyncCallback() {
                //     public void done(boolean sync) {
                //        if (sync) {
                //            return;
                //        }
                //        continuation.setObject(exchange);
                //        continuation.resume();
                //    }
                //});

                //if (!sync) {
                    // Wait for the exchange to get processed.
                    // This might block until it completes or it might return via an exception and
                    // then this method is re-invoked once the the exchange has finished processing
                //    continuation.suspend(0);
                //}

                // HC: The getBinding() is interesting because it illustrates the
                // impedance miss-match between HTTP's stream oriented protocol, and
                // Camels more message oriented protocol exchanges.

                // now lets output to the response
                //consumer.getBinding().writeResponse(exchange, response);
                return;
            }

            if (continuation.isResumed()) {
                Exchange exchange = (Exchange)continuation.getAttribute("result");
                // now lets output to the response
                consumer.getBinding().writeResponse(exchange, response);
                return;
            }
        } catch (Exception e) {
            throw new ServletException(e);
        }
View Full Code Here

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

35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
        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);
    }
View Full Code Here

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

37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
        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) {
View Full Code Here

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

35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
        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) {
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.