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package org.onap.ccsdk.sli.core.filters;
import javax.servlet.http.HttpServletRequest;
import org.onap.logging.filter.base.AuditLogServletFilter;
import org.onap.logging.ref.slf4j.ONAPLogConstants;
import org.slf4j.MDC;
public class ControllerAuditLogFilter extends AuditLogServletFilter {
private static final String MDC_HTTP_METHOD_KEY = "HttpMethod";
@Override
protected void additionalPreHandling(HttpServletRequest httpServletRequest) {
// Don't overwrite service instance id if it was set outside of this automated method
if (MDC.get(ONAPLogConstants.MDCs.SERVICE_INSTANCE_ID) == null) {
String serviceInstanceId = getServiceInstanceId(httpServletRequest.getPathInfo());
if (serviceInstanceId != null) {
MDC.put(ONAPLogConstants.MDCs.SERVICE_INSTANCE_ID, serviceInstanceId);
}
}
MDC.put(MDC_HTTP_METHOD_KEY, httpServletRequest.getMethod());
}
// restconf URLs follow a pattern, this method attempts to extract the service instance id according to that pattern
protected String getServiceInstanceId(String path) {
int idx = path.indexOf("service-list");
if (idx != -1) {
// chomp off service-list/
String str = path.substring(idx + 13);
idx = str.indexOf("/");
//if there is another forward slash with more information chomp it off
if (idx != -1) {
return str.substring(0, idx);
} else {
return str;
}
}
return null;
}
}
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