3 files changed, 132 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/performance/PerformanceCounter.java b/src/main/java/at/gv/egiz/pdfas/performance/PerformanceCounter.java
new file mode 100644
index 0000000..2d9b461
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/performance/PerformanceCounter.java
@@ -0,0 +1,62 @@
+/**
+ * 
+ */
+package at.gv.egiz.pdfas.performance;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * @author wprinz
+ */
+public class PerformanceCounter
+{
+  /**
+   * The log.
+   */
+  private static Log log = LogFactory.getLog(PerformanceCounter.class);
+
+  protected String name = null;
+
+  protected long counter = 0;
+
+  public PerformanceCounter(String name)
+  {
+    this.name = name;
+    reset();
+  }
+
+  public PerformanceCounter(Class clazz)
+  {
+    this(clazz.getName());
+  }
+
+  public void increment()
+  {
+    this.counter++;
+    log.trace(this.name + ": incremented to " + this.counter);
+  }
+
+  public void reset()
+  {
+    this.counter = 0;
+    log.trace(this.name + ": reset to 0");
+  }
+
+  /**
+   * @return the name
+   */
+  public String getName()
+  {
+    return this.name;
+  }
+
+  /**
+   * @return the counter
+   */
+  public long getCounter()
+  {
+    return this.counter;
+  }
+
+}
diff --git a/src/main/java/at/gv/egiz/pdfas/performance/PerformanceCounters.java b/src/main/java/at/gv/egiz/pdfas/performance/PerformanceCounters.java
new file mode 100644
index 0000000..6251c55
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/performance/PerformanceCounters.java
@@ -0,0 +1,22 @@
+/**
+ * 
+ */
+package at.gv.egiz.pdfas.performance;
+
+/**
+ * Contains various global PerformanceCounters that provide information about the system.
+ * 
+ * @author wprinz
+ */
+public final class PerformanceCounters
+{
+  /**
+   * Keeps track of the number of text extractions done so far.
+   */
+  public static PerformanceCounter textExtractions = new PerformanceCounter("TextExtractions");
+
+  /**
+   * Keeps track of the number of large byte array allocations.
+   */
+  public static PerformanceCounter byteArrays = new PerformanceCounter("ByteArrays");
+}
diff --git a/src/main/java/at/gv/egiz/pdfas/performance/PerformanceTimer.java b/src/main/java/at/gv/egiz/pdfas/performance/PerformanceTimer.java
new file mode 100644
index 0000000..6ebb9be
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/performance/PerformanceTimer.java
@@ -0,0 +1,48 @@
+/**
+ * 
+ */
+package at.gv.egiz.pdfas.performance;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * @author wprinz
+ * 
+ */
+public class PerformanceTimer
+{
+  /**
+   * The log.
+   */
+  private static Log log = LogFactory.getLog(PerformanceTimer.class);
+
+  protected String name = null;
+
+  protected long startTime = -1;
+
+  protected long stopTime = -1;
+
+  public PerformanceTimer(String name)
+  {
+    this.name = name;
+  }
+
+  public void start()
+  {
+    this.startTime = System.currentTimeMillis();
+    log.trace(this.name + ": started at " + this.startTime);
+  }
+
+  public void stop()
+  {
+    this.stopTime = System.currentTimeMillis();
+    log.trace(this.name + ": stopped at " + this.stopTime);
+    log.trace(this.name + ": time elapsed = " + getTimeElapsed());
+  }
+
+  public long getTimeElapsed()
+  {
+    return this.stopTime - this.startTime;
+  }
+}