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package no.digipost.api.interceptors;

import org.apache.http.HttpEntityEnclosingRequest;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpRequestInterceptor;
import org.apache.http.protocol.HTTP;
import org.apache.http.protocol.HttpContext;

import java.io.IOException;

/**
 * @see SWS-563
 */
public class RemoveContentLengthInterceptor implements HttpRequestInterceptor {

    @Override
    public void process(final HttpRequest request, final HttpContext context) throws HttpException, IOException {
        if (request instanceof HttpEntityEnclosingRequest) {
            if (request.containsHeader(HTTP.TRANSFER_ENCODING)) {
                request.removeHeaders(HTTP.TRANSFER_ENCODING);
            }
            if (request.containsHeader(HTTP.CONTENT_LEN)) {
                request.removeHeaders(HTTP.CONTENT_LEN);
            }
        }
    }
}