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/*
 * Copyright 2015 Kantega AS
 *
 * 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.
 */

package org.kantega.reststop.jerseymetrics;

import com.codahale.metrics.MetricRegistry;

import static com.codahale.metrics.MetricRegistry.name;

import javax.ws.rs.WebApplicationException;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.WriterInterceptor;
import javax.ws.rs.ext.WriterInterceptorContext;
import java.io.IOException;

/**
 *
 */
@Provider
public class AroundWriteMeter implements WriterInterceptor {
    @Override
    public void aroundWriteTo(WriterInterceptorContext context) throws IOException, WebApplicationException {
        try {
            context.proceed();
        } catch (Throwable e) {
            String path = (String) context.getProperty("metrics.path");
            String name = name("REST", "WRITE", e.getClass().getSimpleName(), path);
            JerseyMetricsPlugin.getMetricRegistry().meter(name).mark();

            throw e;
        }
    }
}