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

Example 86 with Message

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

the class DefaultStreamCachingStrategy method cache.

public StreamCache cache(Exchange exchange) {
    Message message = exchange.hasOut() ? exchange.getOut() : exchange.getIn();
    StreamCache cache = message.getBody(StreamCache.class);
    if (cache != null) {
        if (LOG.isTraceEnabled()) {
            LOG.trace("Cached stream to {} -> {}", cache.inMemory() ? "memory" : "spool", cache);
        }
        if (statistics.isStatisticsEnabled()) {
            try {
                if (cache.inMemory()) {
                    statistics.updateMemory(cache.length());
                } else {
                    statistics.updateSpool(cache.length());
                }
            } catch (Exception e) {
                LOG.debug("Error updating cache statistics. This exception is ignored.", e);
            }
        }
    }
    return cache;
}

Example 87 with Message

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

the class DefaultProducerTemplate method createBodyAndPropertyProcessor.

protected Processor createBodyAndPropertyProcessor(final Object body, final String property, final Object propertyValue) {
    return new Processor() {

        public void process(Exchange exchange) {
            exchange.setProperty(property, propertyValue);
            Message in = exchange.getIn();
            in.setBody(body);
        }
    };
}

Example 88 with Message

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

the class RestBindingAdvice method setCORSHeaders.

private void setCORSHeaders(Exchange exchange, Map<String, Object> state) {
    // add the CORS headers after routing, but before the consumer writes the response
    Message msg = exchange.hasOut() ? exchange.getOut() : exchange.getIn();
    // use default value if none has been configured
    String allowOrigin = corsHeaders != null ? corsHeaders.get("Access-Control-Allow-Origin") : null;
    if (allowOrigin == null) {
        allowOrigin = RestConfiguration.CORS_ACCESS_CONTROL_ALLOW_ORIGIN;
    }
    String allowMethods = corsHeaders != null ? corsHeaders.get("Access-Control-Allow-Methods") : null;
    if (allowMethods == null) {
        allowMethods = RestConfiguration.CORS_ACCESS_CONTROL_ALLOW_METHODS;
    }
    String allowHeaders = corsHeaders != null ? corsHeaders.get("Access-Control-Allow-Headers") : null;
    if (allowHeaders == null) {
        allowHeaders = RestConfiguration.CORS_ACCESS_CONTROL_ALLOW_HEADERS;
    }
    String maxAge = corsHeaders != null ? corsHeaders.get("Access-Control-Max-Age") : null;
    if (maxAge == null) {
        maxAge = RestConfiguration.CORS_ACCESS_CONTROL_MAX_AGE;
    }
    String allowCredentials = corsHeaders != null ? corsHeaders.get("Access-Control-Allow-Credentials") : null;
    // Restrict the origin if credentials are allowed.
    // https://www.w3.org/TR/cors/ - section 6.1, point 3
    String origin = exchange.getIn().getHeader("Origin", String.class);
    if ("true".equalsIgnoreCase(allowCredentials) && "*".equals(allowOrigin) && origin != null) {
        allowOrigin = origin;
    }
    msg.setHeader("Access-Control-Allow-Origin", allowOrigin);
    msg.setHeader("Access-Control-Allow-Methods", allowMethods);
    msg.setHeader("Access-Control-Allow-Headers", allowHeaders);
    msg.setHeader("Access-Control-Max-Age", maxAge);
    if (allowCredentials != null) {
        msg.setHeader("Access-Control-Allow-Credentials", allowCredentials);
    }
}

Example 89 with Message

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

the class SetBodyProcessor method process.

@Override
public boolean process(Exchange exchange, AsyncCallback callback) {
    try {
        Object newBody = expression.evaluate(exchange, Object.class);
        if (exchange.getException() != null) {
            // the expression threw an exception so we should break-out
            callback.done(true);
            return true;
        }
        boolean out = exchange.hasOut();
        Message old = out ? exchange.getOut() : exchange.getIn();
        // create a new message container so we do not drag specialized message objects along
        // but that is only needed if the old message is a specialized message
        boolean copyNeeded = !(old.getClass().equals(DefaultMessage.class));
        if (copyNeeded) {
            Message msg = new DefaultMessage();
            msg.copyFromWithNewBody(old, newBody);
            // replace message on exchange
            ExchangeHelper.replaceMessage(exchange, msg, false);
        } else {
            // no copy needed so set replace value directly
            old.setBody(newBody);
        }
    } catch (Throwable e) {
        exchange.setException(e);
    }
    callback.done(true);
    return true;
}

Example 90 with Message

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

the class SetHeaderProcessor method process.

@Override
public boolean process(Exchange exchange, AsyncCallback callback) {
    try {
        Object newHeader = expression.evaluate(exchange, Object.class);
        if (exchange.getException() != null) {
            // the expression threw an exception so we should break-out
            callback.done(true);
            return true;
        }
        boolean out = exchange.hasOut();
        Message old = out ? exchange.getOut() : exchange.getIn();
        String key = headerName.evaluate(exchange, String.class);
        old.setHeader(key, newHeader);
    } catch (Throwable e) {
        exchange.setException(e);
    }
    callback.done(true);
    return true;
}