Hello,
We used the below header strategy on the servlet component to allow some
headers.
public class ParameterizedHttpHeaderFilterStrategy extends
DefaultHeaderFilterStrategy {
private final String[] allowedOutHeaders;
public ParameterizedHttpHeaderFilterStrategy(String allowedOutHeaders) {
this.allowedOutHeaders = allowedOutHeaders.split(",");
}
protected void initialize() {
setOutFilter(getParameterizedOutFilter());
setLowerCase(true);
// filter headers begin with "Camel" or "org.apache.camel"
// must ignore case for Http based transports
setOutFilterPattern("(?i)(Camel|org\\.apache\\.camel)[\\.|a-z|A-z|0-9]*");
}
protected Set<String> getParameterizedOutFilter() {
Set<String> outFilter = new HashSet<String>();
outFilter.add("content-length");
outFilter.add("content-type");
outFilter.add("host");
// Add the filter for the Generic Message header
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.5
outFilter.add("cache-control");
outFilter.add("connection");
outFilter.add("date");
outFilter.add("pragma");
outFilter.add("trailer");
outFilter.add("transfer-encoding");
outFilter.add("upgrade");
outFilter.add("via");
outFilter.add("warning");
for(String allowedOutHeader: allowedOutHeaders){
outFilter.remove(allowedOutHeader.toLowerCase());
}
return outFilter;
}
}
Kind regards,
Richard
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