Refactor of RequestMonitoringCollector

Implement an additional Collector and Comparator that will allow one to sum the transferred data of the responses for the given/filtered requests. Added a simple report that shows the information about the overall amount of the transferred data and the table of ordered requests (desc) and their attributes (URL as a link, Size in kilobytes)

wttech#501

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core/jobs/src/main/java/com/cognifide/aet/job/common/collectors/requestmonitoring/RequestMonitoringCollector.java

@@ -21,7 +21,6 @@
 import com.cognifide.aet.job.api.collector.WebCommunicationWrapper;
 import com.cognifide.aet.job.api.exceptions.ParametersException;
 import com.cognifide.aet.job.api.exceptions.ProcessingException;
-import com.cognifide.aet.job.common.comparators.requestmonitoring.utils.RequestMonitoringResultBuilder;
 import com.cognifide.aet.job.common.comparators.requestmonitoring.utils.RequestMonitoringResults;
 import com.cognifide.aet.vs.ArtifactsDAO;
 import org.apache.commons.lang3.StringUtils;
@@ -55,18 +54,18 @@ public RequestMonitoringCollector(WebCommunicationWrapper webCommunicationWrappe
   public CollectorStepResult collect() throws ProcessingException {
     final CollectorStepResult stepResult;
 
-    RequestMonitoringResults result = new RequestMonitoringResults();
+    RequestMonitoringResults results = new RequestMonitoringResults();
     HarLog log = webCommunicationWrapper.getProxyServer().getHar().getLog();
 
     for (final HarEntry harLogEntry : log.getEntries()) {
       String url = harLogEntry.getRequest().getUrl();
       if (url.matches(urlPattern)) {
         long bodySize = harLogEntry.getResponse().getBodySize();
-        result.addItem(new RequestMonitoringResultBuilder().setUrl(url).setSize(bodySize).build());
+        results.addItem(url, bodySize);
       }
     }
 
-    final String artifactId = artifactsDAO.saveArtifactInJsonFormat(properties, result);
+    final String artifactId = artifactsDAO.saveArtifactInJsonFormat(properties, results);
     stepResult = CollectorStepResult.newCollectedResult(artifactId);
 
     return stepResult;

core/jobs/src/main/java/com/cognifide/aet/job/common/comparators/requestmonitoring/utils/RequestMonitoringResults.java

@@ -29,7 +29,9 @@ public RequestMonitoringResults() {
     this.totalSize = 0d;
   }
 
-  public final void addItem(RequestMonitoringResult item) {
+  public final void addItem(String url, long bodySize) {
+    RequestMonitoringResult item = new RequestMonitoringResultBuilder().setUrl(url)
+        .setSize(bodySize).build();
     results.add(item);
     totalSize += item.getSize();
   }