tracer fitler

TracerRequestFilter.java

package com.manulife.ap.config;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.core.annotation.Order;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;

/**
 * It is used for IntelliJ IDEA By Manulife Digital Cambodia team.
 *
 * @author Sophea Mak
 * @since September-2022
 */
@Slf4j
@Component
@Order(-1)
public class TracerRequestFilter extends OncePerRequestFilter {
    private static final List<String> IGNORE_URI =
            Arrays.asList("/favicon.ico", "/actuator", "/actuator/health");

    public TracerRequestFilter() {}

    /**
     * doFilterInternal.
     *
     * @param request http request
     * @param response http response
     * @param chain filter
     * @throws ServletException servlet exception
     * @throws IOException io exception
     */
    @Override
    protected void doFilterInternal(
            final HttpServletRequest request, final HttpServletResponse response, FilterChain chain)
            throws ServletException, IOException {
        final String path = request.getRequestURI();
        final String method = getMethod(request);
        if (!ignoreUri(path)) {
            final long start = System.currentTimeMillis();
            log.info("start:http:[{}]:{}", method, path);
            try {
                chain.doFilter(request, response);
            } finally {
                log.info(
                        "stop:http:[{}]:[{}}]:response-http-status-code:[{}]:{}[ms]",
                        method,
                        path,
                        response.getStatus(),
                        System.currentTimeMillis() - start);
            }
        } else {
            chain.doFilter(request, response);
        }
    }

    private boolean ignoreUri(String uri) {
        return IGNORE_URI.stream().anyMatch(uri::startsWith);
    }

    private String getMethod(HttpServletRequest request) {
        return HttpMethod.valueOf(request.getMethod()).name();
    }
}