v1.3 : Throwable instead of Exception ang log cause

README.md

@@ -1,11 +1,11 @@
 # Simple Logger
 A simple but useful Java logger to use everywhere.
 
-Current version v1.2.1
+Current version v1.3
 
 ## Download
 
-* [simple-logger-1.2.1.jar](../../raw/master/download/simple-logger-1.2.1.jar)
+* [simple-logger-1.3.jar](../../raw/master/download/simple-logger-1.3.jar)
 
 ## How to use
 

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>fr.klemek</groupId>
     <artifactId>simple-logger</artifactId>
-    <version>1.2.1</version>
+    <version>1.3</version>
 
     <name>SimpleLogger</name>
 

src/main/java/fr/klemek/logger/Logger.java

@@ -16,12 +16,11 @@ import java.util.logging.SimpleFormatter;
  */
 public final class Logger {
 
+    private static final int DEFAULT_DEPTH = 4;
     private static java.util.logging.Logger appLogger = java.util.logging.Logger.getLogger("Unknown");
     private static String appName = "Unknown";
     private static String basePackage = null;
     private static boolean initialized = false;
-    private static final int DEFAULT_DEPTH = 4;
-
 
 
     private Logger() {
@@ -101,7 +100,7 @@ public final class Logger {
      *
      * @param e the exception to log
      */
-    public static void log(Exception e) {
+    public static void log(Throwable e) {
         Logger.log(Logger.DEFAULT_DEPTH, Level.SEVERE, e.toString(), e);
     }
 
@@ -111,7 +110,7 @@ public final class Logger {
      * @param lvl the level of logging
      * @param e   the exception to log
      */
-    public static void log(Level lvl, Exception e) {
+    public static void log(Level lvl, Throwable e) {
         Logger.log(Logger.DEFAULT_DEPTH, lvl, e.toString(), e);
     }
 
@@ -121,7 +120,7 @@ public final class Logger {
      * @param e   the exception to log
      * @param msg the exception msg
      */
-    public static void log(Exception e, String msg) {
+    public static void log(Throwable e, String msg) {
         Logger.log(Logger.DEFAULT_DEPTH, Level.SEVERE, msg + ": {0}", e);
     }
 
@@ -132,7 +131,7 @@ public final class Logger {
      * @param e   the exception to log
      * @param msg the exception msg
      */
-    public static void log(Level lvl, Exception e, String msg) {
+    public static void log(Level lvl, Throwable e, String msg) {
         Logger.log(Logger.DEFAULT_DEPTH, lvl, msg + ": {0}", e);
     }
 
@@ -172,9 +171,11 @@ public final class Logger {
         }
         message = String.format("[%s-%s] %s", appName, Utils.getCallingClassName(depth), message);
         appLogger.log(lvl, message, objects);
-        if (lvl == Level.SEVERE && objects.length > 0 && objects[0] instanceof Exception) {
+        if (objects.length > 0 && objects[0] instanceof Throwable) {
+            Throwable throwable = (Throwable) objects[0];
+            if (lvl == Level.SEVERE) {
                 boolean inPackage = false;
-            for (StackTraceElement ste : ((Exception) objects[0]).getStackTrace()) {
+                for (StackTraceElement ste : throwable.getStackTrace()) {
                     Logger.log(depth + 1, Level.SEVERE, "\t {0}", ste);
                     if (Logger.basePackage != null) {
                         if (!inPackage && ste.getClassName().startsWith(Logger.basePackage))
@@ -184,5 +185,9 @@ public final class Logger {
                     }
                 }
             }
+            if (throwable.getCause() != null)
+                Logger.log(depth + 1, lvl, "Caused by: {0}", throwable.getCause());
+        }
+
     }
 }

src/test/java/fr/klemek/logger/LoggerTest.java

@@ -97,6 +97,28 @@ public class LoggerTest {
         });
     }
 
+    @Test
+    public void testLogExceptionCause() {
+        Logger.log(new Exception("custom exception", new Exception("custom cause")));
+        verifyOutput(new String[]{
+                "[SEVERE][Test-LoggerTest] java.lang.Exception: custom exception",
+                "[SEVERE][Test-LoggerTest] \t fr.klemek.logger.LoggerTest.testLogExceptionCause(LoggerTest.java:102)",
+                "[SEVERE][Test-LoggerTest] \t sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)",
+                "[SEVERE][Test-LoggerTest] Caused by: java.lang.Exception: custom cause",
+                "[SEVERE][Test-LoggerTest] \t fr.klemek.logger.LoggerTest.testLogExceptionCause(LoggerTest.java:102)",
+                "[SEVERE][Test-LoggerTest] \t sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)"
+        });
+    }
+
+    @Test
+    public void testLogExceptionCauseCustomLevel() {
+        Logger.log(Level.WARNING, new Exception("custom exception", new Exception("custom cause")));
+        verifyOutput(new String[]{
+                "[WARNING][Test-LoggerTest] java.lang.Exception: custom exception",
+                "[WARNING][Test-LoggerTest] Caused by: java.lang.Exception: custom cause",
+        });
+    }
+
     @Test
     public void testSetLevel() {
         assertEquals(Level.INFO, Logger.getLevel());