}
// just assume GET for now, we will later change that to the actual method to use
HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, uri);
TypeConverter tc = message.getExchange().getContext().getTypeConverter();
// if we bridge endpoint then we need to skip matching headers with the HTTP_QUERY to avoid sending
// duplicated headers to the receiver, so use this skipRequestHeaders as the list of headers to skip
Map<String, Object> skipRequestHeaders = null;
if (configuration.isBridgeEndpoint()) {
String queryString = message.getHeader(Exchange.HTTP_QUERY, String.class);
if (queryString != null) {
skipRequestHeaders = URISupport.parseQuery(queryString);
}
// Need to remove the Host key as it should be not used
message.getHeaders().remove("host");
}
// append headers
// must use entrySet to ensure case of keys is preserved
for (Map.Entry<String, Object> entry : message.getHeaders().entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
// we should not add headers for the parameters in the uri if we bridge the endpoint
// as then we would duplicate headers on both the endpoint uri, and in HTTP headers as well
if (skipRequestHeaders != null && skipRequestHeaders.containsKey(key)) {
continue;
}
// use an iterator as there can be multiple values. (must not use a delimiter)
final Iterator<?> it = ObjectHelper.createIterator(value, null, true);
while (it.hasNext()) {
String headerValue = tc.convertTo(String.class, it.next());
if (headerValue != null && headerFilterStrategy != null
&& !headerFilterStrategy.applyFilterToCamelHeaders(key, headerValue, message.getExchange())) {
LOG.trace("HTTP-Header: {}={}", key, headerValue);
request.addHeader(key, headerValue);