src/main/java/org/onap/dmaap/dbcapi/resources/RequestTimeLogFilter.java


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/*-
 * ============LICENSE_START=======================================================
 * org.onap.dmaap
 * ================================================================================
 * Copyright (C) 2019 Nokia Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */
package org.onap.dmaap.dbcapi.resources;

import com.att.eelf.configuration.EELFLogger;
import java.time.Clock;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.container.ContainerResponseContext;
import javax.ws.rs.container.ContainerResponseFilter;
import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;

public class RequestTimeLogFilter extends BaseLoggingClass implements ContainerRequestFilter, ContainerResponseFilter {

    private final EELFLogger log;
    private Clock clock;

    public RequestTimeLogFilter() {
        this(auditLogger, Clock.systemDefaultZone());
    }

    RequestTimeLogFilter(EELFLogger logger, Clock clock) {
        this.log = logger;
        this.clock = clock;
    }

    @Override
    public void filter(ContainerRequestContext requestContext) {
        requestContext.setProperty("start", clock.millis());
    }

    @Override
    public void filter(ContainerRequestContext requestContext, ContainerResponseContext containerResponseContext) {
        long startTime = (long) requestContext.getProperty("start");
        long elapsedTime = clock.millis() - startTime;
        log.info("Request took {} ms", elapsedTime);
    }
}