Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils / src / org / simantics / utils / logging / TimeLogger.java

diff --git a/bundles/org.simantics.utils/src/org/simantics/utils/logging/TimeLogger.java b/bundles/org.simantics.utils/src/org/simantics/utils/logging/TimeLogger.java
new file mode 100644 (file)
index 0000000..b457e43
--- /dev/null
+++ b/bundles/org.simantics.utils/src/org/simantics/utils/logging/TimeLogger.java
@@ -0,0 +1,53 @@
+package org.simantics.utils.logging;\r
+\r
+import java.text.DecimalFormat;\r
+import java.text.NumberFormat;\r
+\r
+public class TimeLogger {\r
+    public static final boolean TIME_LOGGING_ENABLED = false;\r
+    \r
+    private static final NumberFormat TIME_FORMAT = new DecimalFormat("0.000");\r
+    \r
+    private static long BEGIN_TIME = System.nanoTime();\r
+    \r
+    private static void printCurrentTime() {\r
+        double time = (System.nanoTime() - BEGIN_TIME) * 1e-9;\r
+        System.out.print("[");\r
+        System.out.print(TIME_FORMAT.format(time));\r
+        System.out.print(" s] ");\r
+    }\r
+    \r
+    public static void resetTimeAndLog(String message) {\r
+        if(TIME_LOGGING_ENABLED) {\r
+            BEGIN_TIME = System.nanoTime();\r
+            printCurrentTime();\r
+            System.out.print(message);\r
+            System.out.print(" ");\r
+            for(int i=0;i<140-message.length();++i)\r
+                System.out.print("=");\r
+            System.out.println();\r
+        }\r
+    }\r
+    \r
+    public static void resetTimeAndLog(Class<?> clazz, String method) {\r
+        if(TIME_LOGGING_ENABLED)\r
+            resetTimeAndLog(clazz.getSimpleName() + "." + method);\r
+    }\r
+    \r
+    public static void resetTime() {\r
+        if(TIME_LOGGING_ENABLED)\r
+            BEGIN_TIME = System.nanoTime();\r
+    }\r
+    \r
+    public static void log(String message) {\r
+        if(TIME_LOGGING_ENABLED) {\r
+            printCurrentTime();\r
+            System.out.println(message);\r
+        }\r
+    }\r
+    \r
+    public static void log(Class<?> clazz, String method) {\r
+        if(TIME_LOGGING_ENABLED)\r
+            log(clazz.getSimpleName() + "." + method);\r
+    }\r
+}\r