Stopwatch class temporary addition to track time of execution easily on very specific parts of code

Signed-off-by: Alex Ebadirad <aebadirad@42six.com>

Report/src/org/sleuthkit/autopsy/report/StopWatch.java

@@ -0,0 +1,60 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.sleuthkit.autopsy.report;
+
+/**
+ *
+ * @author Alex
+ */
+public class StopWatch {
+    
+    private long startTime = 0;
+    private long stopTime = 0;
+    private boolean running = false;
+
+    
+    public void start() {
+        this.startTime = System.currentTimeMillis();
+        this.running = true;
+    }
+
+    
+    public void stop() {
+        this.stopTime = System.currentTimeMillis();
+        this.running = false;
+    }
+
+    
+    //elaspsed time in milliseconds
+    public long getElapsedTime() {
+        long elapsed;
+        if (running) {
+             elapsed = (System.currentTimeMillis() - startTime);
+        }
+        else {
+            elapsed = (stopTime - startTime);
+        }
+        return elapsed;
+    }
+    
+    public void reset(){    
+    
+    startTime = 0;
+    stopTime = 0;
+    running = false;
+    }
+    
+    //elaspsed time in seconds
+    public long getElapsedTimeSecs() {
+        long elapsed;
+        if (running) {
+            elapsed = ((System.currentTimeMillis() - startTime) / 1000);
+        }
+        else {
+            elapsed = ((stopTime - startTime) / 1000);
+        }
+        return elapsed;
+    }
+}