Examples with Processor org.apache.camel.Processor used on opensource projects

Example 61 with Processor

use of org.apache.camel.Processor in project camel by apache.

the class FromJmsToJdbcIdempotentConsumerToJmsTest method testJmsToJdbcJmsRollbackAtA.

@Ignore("see the TODO below")
@Test
public void testJmsToJdbcJmsRollbackAtA() throws Exception {
    checkInitialState();
    // use a notify to know that after 1+6 (1 original + 6 redelivery) attempts from AcitveMQ
    NotifyBuilder notify = new NotifyBuilder(context).whenDone(7).create();
    // TODO: occasionally we get only 6 instead of 7 expected exchanges which's most probably an issue in ActiveMQ itself
    getMockEndpoint("mock:a").expectedMessageCount(7);
    // force exception to occur at mock a
    getMockEndpoint("mock:a").whenAnyExchangeReceived(new Processor() {

        @Override
        public void process(Exchange exchange) throws Exception {
            throw new ConnectException("Forced cannot connect to database");
        }
    });
    getMockEndpoint("mock:b").expectedMessageCount(0);
    template.sendBodyAndHeader("activemq2:queue:inbox", "A", "uid", 123);
    // assert mock and wait for the message to be done
    assertMockEndpointsSatisfied();
    assertTrue("Should complete 7 message", notify.matchesMockWaitTime());
    // check that there is a message in the database and JMS queue
    assertEquals(new Integer(0), jdbcTemplate.queryForObject("select count(*) from CAMEL_MESSAGEPROCESSED", Integer.class));
    assertNull(consumer.receiveBody("activemq2:queue:outbox", 3000));
    // the message should have been moved to the AMQ DLQ queue
    assertEquals("A", consumer.receiveBody("activemq2:queue:ActiveMQ.DLQ", 3000));
}

Example 62 with Processor

use of org.apache.camel.Processor in project camel by apache.

the class JmsToHttpWithOnExceptionRoute method configure.

public void configure() throws Exception {
    port = AvailablePortFinder.getNextAvailable(8000);
    // configure a global transacted error handler
    errorHandler(transactionErrorHandler(required));
    // if its a 404 then regard it as handled
    onException(HttpOperationFailedException.class).onWhen(new Predicate() {

        public boolean matches(Exchange exchange) {
            HttpOperationFailedException e = exchange.getException(HttpOperationFailedException.class);
            return e != null && e.getStatusCode() == 404;
        }
    }).handled(true).to("mock:404").transform(constant(noAccess));
    from("activemq:queue:data").policy(required).to("http://localhost:" + port + "/sender").convertBodyTo(String.class).choice().when().xpath("/reply/status != 'ok'").to("mock:rollback").rollback().otherwise().end();
    // this is our http router
    from("jetty:http://localhost:" + port + "/sender").process(new Processor() {

        public void process(Exchange exchange) throws Exception {
            // first hit is always a error code 500 to force the caller to retry
            if (counter++ < 1) {
                // simulate http error 500
                exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 500);
                exchange.getOut().setBody("Damn some internal server error");
                return;
            }
            String user = exchange.getIn().getHeader("user", String.class);
            if ("unknown".equals(user)) {
                // no page for a unknown user
                exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 404);
                exchange.getOut().setBody("Page does not exists");
                return;
            } else if ("guest".equals(user)) {
                // not okay for guest user
                exchange.getOut().setBody(nok);
                return;
            }
            exchange.getOut().setBody(ok);
        }
    });
}

Example 63 with Processor

use of org.apache.camel.Processor in project camel by apache.

the class JmsConsumerShutdownTest method testSedaConsumerShutdownWithMessageInFlight.

// Just for the sake of comparison test the SedaConsumer as well
@Test
@DirtiesContext
public void testSedaConsumerShutdownWithMessageInFlight() throws InterruptedException {
    end.expectedMessageCount(0);
    end.setResultWaitTime(2000);
    // direct:dir route always fails
    exception.whenAnyExchangeReceived(new Processor() {

        @Override
        public void process(Exchange exchange) throws Exception {
            throw new Exception("Kaboom!");
        }
    });
    seda.sendBody("seda:start", "Hello");
    end.assertIsSatisfied();
}

Example 64 with Processor

use of org.apache.camel.Processor in project camel by apache.

the class JettyJmsTwowayTest method testSendingRequest.

@Test
public void testSendingRequest() throws Exception {
    assertNotNull("the camelContext should not be null", camelContext);
    ProducerTemplate template = camelContext.createProducerTemplate();
    Exchange exchange = template.send(URL, new Processor() {

        public void process(Exchange exchange) throws Exception {
            exchange.getIn().setBody("<hello>Willem</hello>");
            exchange.getIn().setHeader("Operation", "greetMe");
        }
    });
    assertEquals("get result ", "<response><hello>Willem</hello></response>", exchange.getOut().getBody(String.class));
    template.stop();
}

Example 65 with Processor

use of org.apache.camel.Processor in project camel by apache.

the class JmsToHttpWithRollbackRoute method configure.

public void configure() throws Exception {
    port = AvailablePortFinder.getNextAvailable(8000);
    // configure a global transacted error handler
    errorHandler(transactionErrorHandler(required));
    from(data).policy(required).to("http://localhost:" + port + "/sender").convertBodyTo(String.class).choice().when().xpath("/reply/status != 'ok'").to("mock:rollback").rollback().otherwise().end();
    // this is our http route that will fail the first 2 attempts
    // before it sends an ok response
    from("jetty:http://localhost:" + port + "/sender").process(new Processor() {

        public void process(Exchange exchange) throws Exception {
            if (counter++ < 2) {
                exchange.getOut().setBody(nok);
            } else {
                exchange.getOut().setBody(ok);
            }
        }
    });
}