Part of [HER-1603] Restletify: xml representations of all resources that also

offer html
* XmlMarshaller.java
    new class to write xml based on nested map structure
* BeanBrowseResource.java ScriptResource.java EngineResource.java
  JobResource.java JobRelatedResource.java
    support xml representation
* WorkQueueFrontier.java PrecedenceProvider.java WorkQueue.java ToeThread.java
  ToePool.java CrawlJob.java Engine.java Frontier.java CrawlController.java
  StatisticsTracker.java CrawledBytesHistotable.java FetchStats.java
  ProcessorChain.java CrawlURI.java Reporter.java
    offer same data that is returned in the single line reports in a map
    suitable for use with XmlMarshaller
* FileUtils.java
    new method tryToCanonicalize(File)

commons/src/main/java/org/archive/util/ArchiveUtils.java

@@ -551,7 +551,7 @@ public class ArchiveUtils {
     /**
      * Convert milliseconds value to a human-readable duration
      * @param time
-     * @param toMs whether to print to the ms
+     * @param toMs ignored
      * @return Human readable string version of passed <code>time</code>
      */
     public static String formatMillisecondsToConventional(long time, boolean toMs) {

commons/src/main/java/org/archive/util/FileUtils.java

@@ -698,4 +698,12 @@ public class FileUtils {
     
         return dir;
     } 
+
+    public static File tryToCanonicalize(File file) {
+        try {
+            return file.getCanonicalFile();
+        } catch (IOException e) {
+            return file;
+        }
+    }
 }

commons/src/main/java/org/archive/util/Reporter.java

@@ -21,6 +21,7 @@ package org.archive.util;
 
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.util.Map;
 
 public interface Reporter {
     /**
@@ -38,6 +39,13 @@ public interface Reporter {
      */
     public void singleLineReportTo(PrintWriter pw) throws IOException;
     
+
+    /**
+     * @return Same data that's in the single line report, as key-value pairs
+     */
+    public Map<String,Object> singleLineReportData();
+
+    
     /**
      * Return a legend for the single-line summary report as a String.
      *