Package org.apache.camel

Examples of org.apache.camel.Message

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     */
    protected DynamicQueryContext createDynamicContext(Exchange exchange) throws Exception {
        Configuration config = getConfiguration();
        DynamicQueryContext dynamicQueryContext = new DynamicQueryContext(config);

        Message in = exchange.getIn();
        Source source = null;
        try {
            Item item = in.getBody(Item.class);
            dynamicQueryContext.setContextItem(item);
        } catch (NoTypeConversionAvailableException e) {
            try {
                source = in.getBody(Source.class);
            } catch (NoTypeConversionAvailableException e2) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("No body available on exchange so using an empty document: " + exchange);
                }
                source = converter.toSource(converter.createDocument());
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        Exchange exchange = exchanges.get(index);
        if (exchange == null) {
            return null;
        }

        Message msg = exchange.hasOut() ? exchange.getOut() : exchange.getIn();
        String xml = MessageHelper.dumpAsXml(msg, includeBody);

        return xml;
    }
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        return false;
    }
   
    @Test
    public void testHttpConverter() throws Exception {
        Message message = new DefaultMessage();
        message.setHeader(Exchange.HTTP_SERVLET_RESPONSE, servletResponse);
        HttpServletResponse result = context.getTypeConverter().convertTo(HttpServletResponse.class, message);
        Assert.assertNotNull("The http converter doesn't work", result);
       
    }
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            public Object evaluate(Exchange exchange) {
                if (!exchange.hasOut()) {
                    return null;
                }

                Message out = exchange.getOut();
                Object header = out.getHeader(headerName);
                if (header == null) {
                    // let's try the exchange header
                    header = exchange.getProperty(headerName);
                }
                return header;
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     */
    public Exchange createExchange(long messageIndex) throws Exception {
        Exchange exchange = createExchange();
        getDataSet().populateMessage(exchange, messageIndex);

        Message in = exchange.getIn();
        in.setHeader(Exchange.DATASET_INDEX, messageIndex);

        return exchange;
    }
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    protected void sendMessage(final Object messageId, final Object body) {
        template.send(startEndpoint, new Processor() {
            public void process(Exchange exchange) {
                // now lets fire in a message
                Message in = exchange.getIn();
                in.setBody(body);
                in.setHeader("messageId", messageId);
            }
        });
    }
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     * @param redeliveryDelay The default redelivery delay from RedeliveryData
     * @param redeliveryCounter The redeliveryCounter
     * @return The time to wait before the next redelivery.
     */
    protected long determineRedeliveryDelay(Exchange exchange, RedeliveryPolicy redeliveryPolicy, long redeliveryDelay, int redeliveryCounter) {
        Message message = exchange.getIn();
        Long delay = message.getHeader(Exchange.REDELIVERY_DELAY, Long.class);
        if (delay == null) {
            delay = redeliveryPolicy.calculateRedeliveryDelay(redeliveryDelay, redeliveryCounter);
            log.debug("Redelivery delay calculated as {}", delay);
        } else {
            log.debug("Redelivery delay is {} from Message Header [{}]", delay, Exchange.REDELIVERY_DELAY);
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        if (processor != null) {

            // prepare original IN body if it should be moved instead of current body
            if (data.useOriginalInMessage) {
                log.trace("Using the original IN message instead of current");
                Message original = exchange.getUnitOfWork().getOriginalInMessage();
                exchange.setIn(original);
                if (exchange.hasOut()) {
                    log.trace("Removing the out message to avoid some uncertain behavior");
                    exchange.setOut(null);
                }
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    /**
     * Increments the redelivery counter and adds the redelivered flag if the
     * message has been redelivered
     */
    private int incrementRedeliveryCounter(Exchange exchange, Throwable e, RedeliveryData data) {
        Message in = exchange.getIn();
        Integer counter = in.getHeader(Exchange.REDELIVERY_COUNTER, Integer.class);
        int next = 1;
        if (counter != null) {
            next = counter + 1;
        }
        in.setHeader(Exchange.REDELIVERY_COUNTER, next);
        in.setHeader(Exchange.REDELIVERED, Boolean.TRUE);
        // if maximum redeliveries is used, then provide that information as well
        if (data.currentRedeliveryPolicy.getMaximumRedeliveries() > 0) {
            in.setHeader(Exchange.REDELIVERY_MAX_COUNTER, data.currentRedeliveryPolicy.getMaximumRedeliveries());
        }
        return next;
    }
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    /**
     * Prepares the redelivery counter and boolean flag for the failure handle processor
     */
    private void decrementRedeliveryCounter(Exchange exchange) {
        Message in = exchange.getIn();
        Integer counter = in.getHeader(Exchange.REDELIVERY_COUNTER, Integer.class);
        if (counter != null) {
            int prev = counter - 1;
            in.setHeader(Exchange.REDELIVERY_COUNTER, prev);
            // set boolean flag according to counter
            in.setHeader(Exchange.REDELIVERED, prev > 0 ? Boolean.TRUE : Boolean.FALSE);
        } else {
            // not redelivered
            in.setHeader(Exchange.REDELIVERY_COUNTER, 0);
            in.setHeader(Exchange.REDELIVERED, Boolean.FALSE);
        }
    }
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