RAT-570: Create Reporter.Output object

apache-rat-core/pom.xml

@@ -263,5 +263,10 @@
       <artifactId>jimfs</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.xmlunit</groupId>
+      <artifactId>xmlunit-assertj3</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 </project>

apache-rat-core/src/it/resources/ReportTest/RAT_14/verify.groovy

@@ -68,7 +68,8 @@ ReportConfiguration configuration = OptionCollection.parseCommands(src, myArgs,
 assertNotNull(configuration)
 configuration.validate(DefaultLog.getInstance().&error)
 Reporter reporter = new Reporter(configuration)
-ClaimStatistic statistic = reporter.execute()
+Reporter.Output output = reporter.execute()
+ClaimStatistic statistic = output.getStatistic()
 
 assertEquals(3, statistic.getCounter(ClaimStatistic.Counter.APPROVED))
 assertEquals(2, statistic.getCounter(ClaimStatistic.Counter.ARCHIVES))

apache-rat-core/src/main/java/org/apache/rat/Report.java

@@ -51,22 +51,22 @@ public static void main(final String[] args) throws Exception {
         ReportConfiguration configuration = OptionCollection.parseCommands(new File("."), args, Report::printUsage);
         if (configuration != null) {
             configuration.validate(DefaultLog.getInstance()::error);
-            Reporter reporter = new Reporter(configuration);
-            reporter.output();
-            reporter.writeSummary(DefaultLog.getInstance().asWriter());
+            Reporter.Output output = new Reporter(configuration).execute();
+            output.format(configuration);
+            output.writeSummary(DefaultLog.getInstance().asWriter());
 
             if (configuration.getClaimValidator().hasErrors()) {
-                configuration.getClaimValidator().logIssues(reporter.getClaimsStatistic());
+                configuration.getClaimValidator().logIssues(output.getStatistic());
                 throw new RatDocumentAnalysisException(format("Issues with %s",
                         String.join(", ",
-                                configuration.getClaimValidator().listIssues(reporter.getClaimsStatistic()))));
+                                configuration.getClaimValidator().listIssues(output.getStatistic()))));
             }
         }
     }
 
     /**
      * Prints the usage message on {@code System.out}.
-     * @param opts The defined options.
+     * @param opts the defined options.
      */
     private static void printUsage(final Options opts) {
         new Help(System.out).printUsage(opts);