com.loadtesting.showcase.springmvc.filter.PatternFilter.java Source code

Introduction

Here is the source code for com.loadtesting.showcase.springmvc.filter.PatternFilter.java

Source

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 com.loadtesting.showcase.springmvc.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.apache.commons.io.output.CountingOutputStream;

import com.loadtesting.core.format.WebProfilingFormat;
import com.loadtesting.core.reporter.AsyncReporter;
import com.loadtesting.showcase.core.kpi.ExampleKpiCapturers;
import com.loadtesting.showcase.core.kpi.PatternLayer;
import com.loadtesting.showcase.springmvc.config.StaticConfig;

/**
 * Servlet Filter implementation class PatternFilter
 * 
 * @author Woranop Chaiyakulvat(nineworanop@gmail.com)
 */
//@javax.servlet.annotation.WebFilter(filterName = "PatternFilter", urlPatterns = { "/service/pattern/*" }, initParams = {})
public class PatternFilter implements Filter {
    private AsyncReporter reporter;

    /**
     * Default constructor.
     */
    public PatternFilter() {
        reporter = new AsyncReporter();
    }

    /**
     * @see Filter#destroy()
     */
    public void destroy() {
    }

    /**
     * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
     */
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        ExampleKpiCapturers caps = new ExampleKpiCapturers(request, PatternLayer.list());
        WebProfilingFormat webFormat;
        try {
            caps.startDefaultCapturer();

            CountingOutputStream cos = new CountingOutputStream(response.getOutputStream());
            chain.doFilter(request, response);
            webFormat = new WebProfilingFormat(request.getContentLength(), cos.getByteCount());
        } finally {
            caps.endDefaultCapturer();
        }

        sendReports(webFormat, caps);
    }

    /**
     * @see Filter#init(FilterConfig)
     */
    public void init(FilterConfig fConfig) throws ServletException {
    }

    public void sendReports(WebProfilingFormat webFormat, ExampleKpiCapturers exampleCaps) {
        reporter.log(StaticConfig.getQueue(), webFormat, exampleCaps.getDefaultCapturer());
    }
}